[2c47b73] | 1 | /** |
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| 2 | * @file sz_float.c |
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| 3 | * @author Sheng Di and Dingwen Tao |
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| 4 | * @date Aug, 2016 |
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| 5 | * @brief SZ_Init, Compression and Decompression functions |
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| 6 | * (C) 2016 by Mathematics and Computer Science (MCS), Argonne National Laboratory. |
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| 7 | * See COPYRIGHT in top-level directory. |
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| 8 | */ |
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| 9 | |
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| 10 | |
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| 11 | #include <stdio.h> |
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| 12 | #include <stdlib.h> |
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| 13 | #include <string.h> |
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| 14 | #include <unistd.h> |
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| 15 | #include <math.h> |
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| 16 | #include "sz.h" |
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| 17 | #include "CompressElement.h" |
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| 18 | #include "DynamicByteArray.h" |
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| 19 | #include "DynamicIntArray.h" |
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| 20 | #include "TightDataPointStorageF.h" |
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| 21 | #include "sz_float.h" |
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| 22 | #include "sz_float_pwr.h" |
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| 23 | #include "szd_float.h" |
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| 24 | #include "szd_float_pwr.h" |
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| 25 | #include "zlib.h" |
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| 26 | #include "rw.h" |
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| 27 | #include "sz_float_ts.h" |
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| 28 | |
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| 29 | unsigned char* SZ_skip_compress_float(float* data, size_t dataLength, size_t* outSize) |
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| 30 | { |
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| 31 | *outSize = dataLength*sizeof(float); |
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| 32 | unsigned char* out = (unsigned char*)malloc(dataLength*sizeof(float)); |
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| 33 | memcpy(out, data, dataLength*sizeof(float)); |
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| 34 | return out; |
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| 35 | } |
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| 36 | unsigned int optimize_intervals_float_1D(float *oriData, size_t dataLength, double realPrecision) |
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| 37 | { |
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| 38 | size_t i = 0, radiusIndex; |
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| 39 | float pred_value = 0, pred_err; |
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| 40 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 41 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 42 | size_t totalSampleSize = dataLength/confparams_cpr->sampleDistance; |
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| 43 | for(i=2;i<dataLength;i++) |
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| 44 | { |
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| 45 | if(i%confparams_cpr->sampleDistance==0) |
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| 46 | { |
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| 47 | //pred_value = 2*oriData[i-1] - oriData[i-2]; |
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| 48 | pred_value = oriData[i-1]; |
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| 49 | pred_err = fabs(pred_value - oriData[i]); |
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| 50 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
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| 51 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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| 52 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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| 53 | intervals[radiusIndex]++; |
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| 54 | } |
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| 55 | } |
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| 56 | //compute the appropriate number |
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| 57 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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| 58 | size_t sum = 0; |
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| 59 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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| 60 | { |
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| 61 | sum += intervals[i]; |
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| 62 | if(sum>targetCount) |
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| 63 | break; |
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| 64 | } |
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| 65 | if(i>=confparams_cpr->maxRangeRadius) |
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| 66 | i = confparams_cpr->maxRangeRadius-1; |
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| 67 | |
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| 68 | unsigned int accIntervals = 2*(i+1); |
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| 69 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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| 70 | |
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| 71 | if(powerOf2<32) |
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| 72 | powerOf2 = 32; |
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| 73 | |
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| 74 | free(intervals); |
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| 75 | //printf("accIntervals=%d, powerOf2=%d\n", accIntervals, powerOf2); |
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| 76 | return powerOf2; |
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| 77 | } |
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| 78 | |
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| 79 | unsigned int optimize_intervals_float_2D(float *oriData, size_t r1, size_t r2, double realPrecision) |
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| 80 | { |
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| 81 | size_t i,j, index; |
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| 82 | size_t radiusIndex; |
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| 83 | float pred_value = 0, pred_err; |
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| 84 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 85 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 86 | size_t totalSampleSize = (r1-1)*(r2-1)/confparams_cpr->sampleDistance; |
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| 87 | |
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| 88 | //float max = oriData[0]; |
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| 89 | //float min = oriData[0]; |
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| 90 | |
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| 91 | for(i=1;i<r1;i++) |
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| 92 | { |
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| 93 | for(j=1;j<r2;j++) |
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| 94 | { |
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| 95 | if((i+j)%confparams_cpr->sampleDistance==0) |
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| 96 | { |
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| 97 | index = i*r2+j; |
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| 98 | pred_value = oriData[index-1] + oriData[index-r2] - oriData[index-r2-1]; |
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| 99 | pred_err = fabs(pred_value - oriData[index]); |
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| 100 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
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| 101 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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| 102 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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| 103 | intervals[radiusIndex]++; |
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| 104 | |
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| 105 | // if (max < oriData[index]) max = oriData[index]; |
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| 106 | // if (min > oriData[index]) min = oriData[index]; |
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| 107 | } |
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| 108 | } |
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| 109 | } |
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| 110 | //compute the appropriate number |
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| 111 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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| 112 | size_t sum = 0; |
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| 113 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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| 114 | { |
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| 115 | sum += intervals[i]; |
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| 116 | if(sum>targetCount) |
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| 117 | break; |
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| 118 | } |
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| 119 | if(i>=confparams_cpr->maxRangeRadius) |
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| 120 | i = confparams_cpr->maxRangeRadius-1; |
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| 121 | unsigned int accIntervals = 2*(i+1); |
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| 122 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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| 123 | |
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| 124 | if(powerOf2<32) |
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| 125 | powerOf2 = 32; |
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| 126 | |
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| 127 | // struct timeval costStart, costEnd; |
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| 128 | // double cost_est = 0; |
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| 129 | // |
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| 130 | // gettimeofday(&costStart, NULL); |
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| 131 | // |
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| 132 | // //compute estimate of bit-rate and distortion |
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| 133 | // double est_br = 0; |
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| 134 | // double est_psnr = 0; |
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| 135 | // double c1 = log2(targetCount)+1; |
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| 136 | // double c2 = -20.0*log10(realPrecision) + 20.0*log10(max-min) + 10.0*log10(3); |
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| 137 | // |
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| 138 | // for (i = 0; i < powerOf2/2; i++) |
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| 139 | // { |
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| 140 | // int count = intervals[i]; |
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| 141 | // if (count != 0) |
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| 142 | // est_br += count*log2(count); |
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| 143 | // est_psnr += count; |
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| 144 | // } |
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| 145 | // |
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| 146 | // //compute estimate of bit-rate |
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| 147 | // est_br -= c1*est_psnr; |
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| 148 | // est_br /= totalSampleSize; |
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| 149 | // est_br = -est_br; |
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| 150 | // |
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| 151 | // //compute estimate of psnr |
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| 152 | // est_psnr /= totalSampleSize; |
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| 153 | // printf ("sum of P(i) = %lf\n", est_psnr); |
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| 154 | // est_psnr = -10.0*log10(est_psnr); |
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| 155 | // est_psnr += c2; |
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| 156 | // |
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| 157 | // printf ("estimate bitrate = %.2f\n", est_br); |
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| 158 | // printf ("estimate psnr = %.2f\n",est_psnr); |
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| 159 | // |
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| 160 | // gettimeofday(&costEnd, NULL); |
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| 161 | // cost_est = ((costEnd.tv_sec*1000000+costEnd.tv_usec)-(costStart.tv_sec*1000000+costStart.tv_usec))/1000000.0; |
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| 162 | // |
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| 163 | // printf ("analysis time = %f\n", cost_est); |
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| 164 | |
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| 165 | free(intervals); |
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| 166 | //printf("confparams_cpr->maxRangeRadius = %d, accIntervals=%d, powerOf2=%d\n", confparams_cpr->maxRangeRadius, accIntervals, powerOf2); |
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| 167 | return powerOf2; |
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| 168 | } |
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| 169 | |
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| 170 | unsigned int optimize_intervals_float_3D(float *oriData, size_t r1, size_t r2, size_t r3, double realPrecision) |
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| 171 | { |
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| 172 | size_t i,j,k, index; |
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| 173 | size_t radiusIndex; |
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| 174 | size_t r23=r2*r3; |
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| 175 | float pred_value = 0, pred_err; |
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| 176 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 177 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 178 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)/confparams_cpr->sampleDistance; |
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| 179 | |
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| 180 | //float max = oriData[0]; |
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| 181 | //float min = oriData[0]; |
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| 182 | |
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| 183 | for(i=1;i<r1;i++) |
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| 184 | { |
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| 185 | for(j=1;j<r2;j++) |
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| 186 | { |
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| 187 | for(k=1;k<r3;k++) |
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| 188 | { |
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| 189 | if((i+j+k)%confparams_cpr->sampleDistance==0) |
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| 190 | { |
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| 191 | index = i*r23+j*r3+k; |
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| 192 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r23] |
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| 193 | - oriData[index-1-r23] - oriData[index-r3-1] - oriData[index-r3-r23] + oriData[index-r3-r23-1]; |
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| 194 | pred_err = fabs(pred_value - oriData[index]); |
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| 195 | radiusIndex = (pred_err/realPrecision+1)/2; |
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| 196 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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| 197 | { |
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| 198 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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| 199 | //printf("radiusIndex=%d\n", radiusIndex); |
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| 200 | } |
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| 201 | intervals[radiusIndex]++; |
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| 202 | |
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| 203 | // if (max < oriData[index]) max = oriData[index]; |
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| 204 | // if (min > oriData[index]) min = oriData[index]; |
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| 205 | } |
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| 206 | } |
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| 207 | } |
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| 208 | } |
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| 209 | //compute the appropriate number |
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| 210 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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| 211 | size_t sum = 0; |
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| 212 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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| 213 | { |
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| 214 | sum += intervals[i]; |
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| 215 | if(sum>targetCount) |
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| 216 | break; |
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| 217 | } |
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| 218 | if(i>=confparams_cpr->maxRangeRadius) |
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| 219 | i = confparams_cpr->maxRangeRadius-1; |
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| 220 | unsigned int accIntervals = 2*(i+1); |
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| 221 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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| 222 | |
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| 223 | if(powerOf2<32) |
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| 224 | powerOf2 = 32; |
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| 225 | |
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| 226 | // struct timeval costStart, costEnd; |
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| 227 | // double cost_est = 0; |
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| 228 | // |
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| 229 | // gettimeofday(&costStart, NULL); |
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| 230 | // |
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| 231 | // //compute estimate of bit-rate and distortion |
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| 232 | // double est_br = 0; |
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| 233 | // double est_psnr = 0; |
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| 234 | // double c1 = log2(targetCount)+1; |
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| 235 | // double c2 = -20.0*log10(realPrecision) + 20.0*log10(max-min) + 10.0*log10(3); |
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| 236 | // |
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| 237 | // for (i = 0; i < powerOf2/2; i++) |
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| 238 | // { |
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| 239 | // int count = intervals[i]; |
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| 240 | // if (count != 0) |
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| 241 | // est_br += count*log2(count); |
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| 242 | // est_psnr += count; |
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| 243 | // } |
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| 244 | // |
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| 245 | // //compute estimate of bit-rate |
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| 246 | // est_br -= c1*est_psnr; |
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| 247 | // est_br /= totalSampleSize; |
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| 248 | // est_br = -est_br; |
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| 249 | // |
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| 250 | // //compute estimate of psnr |
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| 251 | // est_psnr /= totalSampleSize; |
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| 252 | // printf ("sum of P(i) = %lf\n", est_psnr); |
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| 253 | // est_psnr = -10.0*log10(est_psnr); |
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| 254 | // est_psnr += c2; |
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| 255 | // |
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| 256 | // printf ("estimate bitrate = %.2f\n", est_br); |
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| 257 | // printf ("estimate psnr = %.2f\n",est_psnr); |
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| 258 | // |
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| 259 | // gettimeofday(&costEnd, NULL); |
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| 260 | // cost_est = ((costEnd.tv_sec*1000000+costEnd.tv_usec)-(costStart.tv_sec*1000000+costStart.tv_usec))/1000000.0; |
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| 261 | // |
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| 262 | // printf ("analysis time = %f\n", cost_est); |
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| 263 | |
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| 264 | free(intervals); |
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| 265 | //printf("targetCount=%d, sum=%d, totalSampleSize=%d, ratio=%f, accIntervals=%d, powerOf2=%d\n", targetCount, sum, totalSampleSize, (double)sum/(double)totalSampleSize, accIntervals, powerOf2); |
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| 266 | return powerOf2; |
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| 267 | } |
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| 268 | |
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| 269 | |
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| 270 | unsigned int optimize_intervals_float_4D(float *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision) |
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| 271 | { |
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| 272 | size_t i,j,k,l, index; |
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| 273 | size_t radiusIndex; |
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| 274 | size_t r234=r2*r3*r4; |
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| 275 | size_t r34=r3*r4; |
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| 276 | float pred_value = 0, pred_err; |
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| 277 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 278 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
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| 279 | size_t totalSampleSize = (r1-1)*(r2-1)*(r3-1)*(r4-1)/confparams_cpr->sampleDistance; |
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| 280 | for(i=1;i<r1;i++) |
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| 281 | { |
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| 282 | for(j=1;j<r2;j++) |
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| 283 | { |
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| 284 | for(k=1;k<r3;k++) |
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| 285 | { |
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| 286 | for (l=1;l<r4;l++) |
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| 287 | { |
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| 288 | if((i+j+k+l)%confparams_cpr->sampleDistance==0) |
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| 289 | { |
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| 290 | index = i*r234+j*r34+k*r4+l; |
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| 291 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r34] |
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| 292 | - oriData[index-1-r34] - oriData[index-r4-1] - oriData[index-r4-r34] + oriData[index-r4-r34-1]; |
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| 293 | pred_err = fabs(pred_value - oriData[index]); |
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| 294 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
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| 295 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
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| 296 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
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| 297 | intervals[radiusIndex]++; |
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| 298 | } |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | } |
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| 303 | //compute the appropriate number |
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| 304 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
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| 305 | size_t sum = 0; |
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| 306 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
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| 307 | { |
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| 308 | sum += intervals[i]; |
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| 309 | if(sum>targetCount) |
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| 310 | break; |
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| 311 | } |
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| 312 | if(i>=confparams_cpr->maxRangeRadius) |
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| 313 | i = confparams_cpr->maxRangeRadius-1; |
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| 314 | |
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| 315 | unsigned int accIntervals = 2*(i+1); |
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| 316 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
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| 317 | |
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| 318 | if(powerOf2<32) |
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| 319 | powerOf2 = 32; |
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| 320 | |
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| 321 | free(intervals); |
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| 322 | return powerOf2; |
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| 323 | } |
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| 324 | |
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| 325 | TightDataPointStorageF* SZ_compress_float_1D_MDQ(float *oriData, |
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| 326 | size_t dataLength, double realPrecision, float valueRangeSize, float medianValue_f) |
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| 327 | { |
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| 328 | #ifdef HAVE_TIMECMPR |
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| 329 | float* decData = NULL; |
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| 330 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
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| 331 | decData = (float*)(multisteps->hist_data); |
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| 332 | #endif |
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| 333 | |
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| 334 | unsigned int quantization_intervals; |
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| 335 | if(exe_params->optQuantMode==1) |
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| 336 | quantization_intervals = optimize_intervals_float_1D_opt(oriData, dataLength, realPrecision); |
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| 337 | else |
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| 338 | quantization_intervals = exe_params->intvCapacity; |
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| 339 | updateQuantizationInfo(quantization_intervals); |
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| 340 | |
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| 341 | size_t i; |
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| 342 | int reqLength; |
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| 343 | float medianValue = medianValue_f; |
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| 344 | short radExpo = getExponent_float(valueRangeSize/2); |
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| 345 | |
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| 346 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
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| 347 | |
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| 348 | int* type = (int*) malloc(dataLength*sizeof(int)); |
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| 349 | |
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| 350 | float* spaceFillingValue = oriData; // |
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| 351 | |
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| 352 | DynamicIntArray *exactLeadNumArray; |
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| 353 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
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| 354 | |
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| 355 | DynamicByteArray *exactMidByteArray; |
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| 356 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
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| 357 | |
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| 358 | DynamicIntArray *resiBitArray; |
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| 359 | new_DIA(&resiBitArray, DynArrayInitLen); |
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| 360 | |
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| 361 | unsigned char preDataBytes[4]; |
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| 362 | intToBytes_bigEndian(preDataBytes, 0); |
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| 363 | |
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| 364 | int reqBytesLength = reqLength/8; |
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| 365 | int resiBitsLength = reqLength%8; |
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| 366 | float last3CmprsData[3] = {0}; |
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| 367 | |
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| 368 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
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| 369 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
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| 370 | |
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| 371 | //add the first data |
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| 372 | type[0] = 0; |
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| 373 | compressSingleFloatValue(vce, spaceFillingValue[0], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
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| 374 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
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| 375 | memcpy(preDataBytes,vce->curBytes,4); |
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| 376 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
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| 377 | listAdd_float(last3CmprsData, vce->data); |
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| 378 | #ifdef HAVE_TIMECMPR |
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| 379 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
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| 380 | decData[0] = vce->data; |
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| 381 | #endif |
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| 382 | |
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| 383 | //add the second data |
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| 384 | type[1] = 0; |
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| 385 | compressSingleFloatValue(vce, spaceFillingValue[1], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
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| 386 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
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| 387 | memcpy(preDataBytes,vce->curBytes,4); |
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| 388 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
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| 389 | listAdd_float(last3CmprsData, vce->data); |
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| 390 | #ifdef HAVE_TIMECMPR |
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| 391 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
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| 392 | decData[1] = vce->data; |
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| 393 | #endif |
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| 394 | int state; |
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| 395 | double checkRadius; |
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| 396 | float curData; |
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| 397 | float pred; |
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| 398 | float predAbsErr; |
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| 399 | checkRadius = (exe_params->intvCapacity-1)*realPrecision; |
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| 400 | double interval = 2*realPrecision; |
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| 401 | |
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| 402 | for(i=2;i<dataLength;i++) |
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| 403 | { |
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| 404 | curData = spaceFillingValue[i]; |
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| 405 | //pred = 2*last3CmprsData[0] - last3CmprsData[1]; |
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| 406 | pred = last3CmprsData[0]; |
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| 407 | predAbsErr = fabs(curData - pred); |
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| 408 | if(predAbsErr<=checkRadius) |
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| 409 | { |
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| 410 | state = (predAbsErr/realPrecision+1)/2; |
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| 411 | if(curData>=pred) |
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| 412 | { |
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| 413 | type[i] = exe_params->intvRadius+state; |
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| 414 | pred = pred + state*interval; |
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| 415 | } |
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| 416 | else //curData<pred |
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| 417 | { |
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| 418 | type[i] = exe_params->intvRadius-state; |
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| 419 | pred = pred - state*interval; |
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| 420 | } |
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| 421 | |
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| 422 | //double-check the prediction error in case of machine-epsilon impact |
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| 423 | if(fabs(curData-pred)>realPrecision) |
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| 424 | { |
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| 425 | type[i] = 0; |
---|
| 426 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 427 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 428 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 429 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 430 | |
---|
| 431 | listAdd_float(last3CmprsData, vce->data); |
---|
| 432 | #ifdef HAVE_TIMECMPR |
---|
| 433 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 434 | decData[i] = vce->data; |
---|
| 435 | #endif |
---|
| 436 | } |
---|
| 437 | else |
---|
| 438 | { |
---|
| 439 | listAdd_float(last3CmprsData, pred); |
---|
| 440 | #ifdef HAVE_TIMECMPR |
---|
| 441 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 442 | decData[i] = pred; |
---|
| 443 | #endif |
---|
| 444 | } |
---|
| 445 | continue; |
---|
| 446 | } |
---|
| 447 | |
---|
| 448 | //unpredictable data processing |
---|
| 449 | type[i] = 0; |
---|
| 450 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 451 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 452 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 453 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 454 | |
---|
| 455 | listAdd_float(last3CmprsData, vce->data); |
---|
| 456 | #ifdef HAVE_TIMECMPR |
---|
| 457 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 458 | decData[i] = vce->data; |
---|
| 459 | #endif |
---|
| 460 | |
---|
| 461 | }//end of for |
---|
| 462 | |
---|
| 463 | // char* expSegmentsInBytes; |
---|
| 464 | // int expSegmentsInBytes_size = convertESCToBytes(esc, &expSegmentsInBytes); |
---|
| 465 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 466 | |
---|
| 467 | TightDataPointStorageF* tdps; |
---|
| 468 | |
---|
| 469 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 470 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 471 | exactLeadNumArray->array, |
---|
| 472 | resiBitArray->array, resiBitArray->size, |
---|
| 473 | resiBitsLength, |
---|
| 474 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 475 | |
---|
| 476 | //sdi:Debug |
---|
| 477 | /* int sum =0; |
---|
| 478 | for(i=0;i<dataLength;i++) |
---|
| 479 | if(type[i]==0) sum++; |
---|
| 480 | printf("opt_quantizations=%d, exactDataNum=%d, sum=%d\n",quantization_intervals, exactDataNum, sum);*/ |
---|
| 481 | |
---|
| 482 | //free memory |
---|
| 483 | free_DIA(exactLeadNumArray); |
---|
| 484 | free_DIA(resiBitArray); |
---|
| 485 | free(type); |
---|
| 486 | free(vce); |
---|
| 487 | free(lce); |
---|
| 488 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 489 | |
---|
| 490 | return tdps; |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | void SZ_compress_args_float_StoreOriData(float* oriData, size_t dataLength, TightDataPointStorageF* tdps, |
---|
| 494 | unsigned char** newByteData, size_t *outSize) |
---|
| 495 | { |
---|
| 496 | int floatSize=sizeof(float); |
---|
| 497 | size_t k = 0, i; |
---|
| 498 | tdps->isLossless = 1; |
---|
| 499 | size_t totalByteLength = 3 + MetaDataByteLength + exe_params->SZ_SIZE_TYPE + 1 + floatSize*dataLength; |
---|
| 500 | *newByteData = (unsigned char*)malloc(totalByteLength); |
---|
| 501 | |
---|
| 502 | unsigned char dsLengthBytes[8]; |
---|
| 503 | for (i = 0; i < 3; i++)//3 |
---|
| 504 | (*newByteData)[k++] = versionNumber[i]; |
---|
| 505 | |
---|
| 506 | if(exe_params->SZ_SIZE_TYPE==4)//1 |
---|
| 507 | (*newByteData)[k++] = 16; //00010000 |
---|
| 508 | else |
---|
| 509 | (*newByteData)[k++] = 80; //01010000: 01000000 indicates the SZ_SIZE_TYPE=8 |
---|
| 510 | |
---|
| 511 | convertSZParamsToBytes(confparams_cpr, &((*newByteData)[k])); |
---|
| 512 | k = k + MetaDataByteLength; |
---|
| 513 | |
---|
| 514 | sizeToBytes(dsLengthBytes,dataLength); //SZ_SIZE_TYPE: 4 or 8 |
---|
| 515 | for (i = 0; i < exe_params->SZ_SIZE_TYPE; i++) |
---|
| 516 | (*newByteData)[k++] = dsLengthBytes[i]; |
---|
| 517 | |
---|
| 518 | if(sysEndianType==BIG_ENDIAN_SYSTEM) |
---|
| 519 | memcpy((*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE, oriData, dataLength*floatSize); |
---|
| 520 | else |
---|
| 521 | { |
---|
| 522 | unsigned char* p = (*newByteData)+4+MetaDataByteLength+exe_params->SZ_SIZE_TYPE; |
---|
| 523 | for(i=0;i<dataLength;i++,p+=floatSize) |
---|
| 524 | floatToBytes(p, oriData[i]); |
---|
| 525 | } |
---|
| 526 | *outSize = totalByteLength; |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | char SZ_compress_args_float_NoCkRngeNoGzip_1D(unsigned char** newByteData, float *oriData, |
---|
| 530 | size_t dataLength, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f) |
---|
| 531 | { |
---|
| 532 | char compressionType = 0; |
---|
| 533 | TightDataPointStorageF* tdps = NULL; |
---|
| 534 | |
---|
| 535 | #ifdef HAVE_TIMECMPR |
---|
| 536 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 537 | { |
---|
| 538 | int timestep = sz_tsc->currentStep; |
---|
| 539 | if(timestep % confparams_cpr->snapshotCmprStep != 0) |
---|
| 540 | { |
---|
| 541 | tdps = SZ_compress_float_1D_MDQ_ts(oriData, dataLength, multisteps, realPrecision, valueRangeSize, medianValue_f); |
---|
| 542 | compressionType = 1; //time-series based compression |
---|
| 543 | } |
---|
| 544 | else |
---|
| 545 | { |
---|
| 546 | tdps = SZ_compress_float_1D_MDQ(oriData, dataLength, realPrecision, valueRangeSize, medianValue_f); |
---|
| 547 | compressionType = 0; //snapshot-based compression |
---|
| 548 | multisteps->lastSnapshotStep = timestep; |
---|
| 549 | } |
---|
| 550 | } |
---|
| 551 | else |
---|
| 552 | #endif |
---|
| 553 | tdps = SZ_compress_float_1D_MDQ(oriData, dataLength, realPrecision, valueRangeSize, medianValue_f); |
---|
| 554 | |
---|
| 555 | convertTDPStoFlatBytes_float(tdps, newByteData, outSize); |
---|
| 556 | |
---|
| 557 | if(*outSize>dataLength*sizeof(float)) |
---|
| 558 | SZ_compress_args_float_StoreOriData(oriData, dataLength+2, tdps, newByteData, outSize); |
---|
| 559 | |
---|
| 560 | free_TightDataPointStorageF(tdps); |
---|
| 561 | return compressionType; |
---|
| 562 | } |
---|
| 563 | |
---|
| 564 | TightDataPointStorageF* SZ_compress_float_2D_MDQ(float *oriData, size_t r1, size_t r2, double realPrecision, float valueRangeSize, float medianValue_f) |
---|
| 565 | { |
---|
| 566 | #ifdef HAVE_TIMECMPR |
---|
| 567 | float* decData = NULL; |
---|
| 568 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 569 | decData = (float*)(multisteps->hist_data); |
---|
| 570 | #endif |
---|
| 571 | |
---|
| 572 | unsigned int quantization_intervals; |
---|
| 573 | if(exe_params->optQuantMode==1) |
---|
| 574 | { |
---|
| 575 | quantization_intervals = optimize_intervals_float_2D_opt(oriData, r1, r2, realPrecision); |
---|
| 576 | updateQuantizationInfo(quantization_intervals); |
---|
| 577 | } |
---|
| 578 | else |
---|
| 579 | quantization_intervals = exe_params->intvCapacity; |
---|
| 580 | size_t i,j; |
---|
| 581 | int reqLength; |
---|
| 582 | float pred1D, pred2D; |
---|
| 583 | float diff = 0.0; |
---|
| 584 | double itvNum = 0; |
---|
| 585 | float *P0, *P1; |
---|
| 586 | |
---|
| 587 | size_t dataLength = r1*r2; |
---|
| 588 | |
---|
| 589 | P0 = (float*)malloc(r2*sizeof(float)); |
---|
| 590 | memset(P0, 0, r2*sizeof(float)); |
---|
| 591 | P1 = (float*)malloc(r2*sizeof(float)); |
---|
| 592 | memset(P1, 0, r2*sizeof(float)); |
---|
| 593 | |
---|
| 594 | float medianValue = medianValue_f; |
---|
| 595 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 596 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 597 | |
---|
| 598 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 599 | //type[dataLength]=0; |
---|
| 600 | |
---|
| 601 | float* spaceFillingValue = oriData; // |
---|
| 602 | |
---|
| 603 | DynamicIntArray *exactLeadNumArray; |
---|
| 604 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 605 | |
---|
| 606 | DynamicByteArray *exactMidByteArray; |
---|
| 607 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 608 | |
---|
| 609 | DynamicIntArray *resiBitArray; |
---|
| 610 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 611 | |
---|
| 612 | type[0] = 0; |
---|
| 613 | unsigned char preDataBytes[4]; |
---|
| 614 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 615 | |
---|
| 616 | int reqBytesLength = reqLength/8; |
---|
| 617 | int resiBitsLength = reqLength%8; |
---|
| 618 | |
---|
| 619 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 620 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 621 | |
---|
| 622 | /* Process Row-0 data 0*/ |
---|
| 623 | type[0] = 0; |
---|
| 624 | compressSingleFloatValue(vce, spaceFillingValue[0], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 625 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 626 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 627 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 628 | P1[0] = vce->data; |
---|
| 629 | #ifdef HAVE_TIMECMPR |
---|
| 630 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 631 | decData[0] = vce->data; |
---|
| 632 | #endif |
---|
| 633 | |
---|
| 634 | float curData; |
---|
| 635 | |
---|
| 636 | /* Process Row-0 data 1*/ |
---|
| 637 | pred1D = P1[0]; |
---|
| 638 | curData = spaceFillingValue[1]; |
---|
| 639 | diff = curData - pred1D; |
---|
| 640 | |
---|
| 641 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 642 | |
---|
| 643 | if (itvNum < exe_params->intvCapacity) |
---|
| 644 | { |
---|
| 645 | if (diff < 0) itvNum = -itvNum; |
---|
| 646 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 647 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 648 | |
---|
| 649 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 650 | if(fabs(spaceFillingValue[1]-P1[1])>realPrecision) |
---|
| 651 | { |
---|
| 652 | type[1] = 0; |
---|
| 653 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 654 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 655 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 656 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 657 | |
---|
| 658 | P1[1] = vce->data; |
---|
| 659 | } |
---|
| 660 | } |
---|
| 661 | else |
---|
| 662 | { |
---|
| 663 | type[1] = 0; |
---|
| 664 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 665 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 666 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 667 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 668 | P1[1] = vce->data; |
---|
| 669 | } |
---|
| 670 | #ifdef HAVE_TIMECMPR |
---|
| 671 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 672 | decData[1] = P1[1]; |
---|
| 673 | #endif |
---|
| 674 | |
---|
| 675 | /* Process Row-0 data 2 --> data r2-1 */ |
---|
| 676 | for (j = 2; j < r2; j++) |
---|
| 677 | { |
---|
| 678 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 679 | curData = spaceFillingValue[j]; |
---|
| 680 | diff = curData - pred1D; |
---|
| 681 | |
---|
| 682 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 683 | |
---|
| 684 | if (itvNum < exe_params->intvCapacity) |
---|
| 685 | { |
---|
| 686 | if (diff < 0) itvNum = -itvNum; |
---|
| 687 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 688 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 689 | |
---|
| 690 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 691 | if(fabs(curData-P1[j])>realPrecision) |
---|
| 692 | { |
---|
| 693 | type[j] = 0; |
---|
| 694 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 695 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 696 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 697 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 698 | |
---|
| 699 | P1[j] = vce->data; |
---|
| 700 | } |
---|
| 701 | } |
---|
| 702 | else |
---|
| 703 | { |
---|
| 704 | type[j] = 0; |
---|
| 705 | compressSingleFloatValue(vce,curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 706 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 707 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 708 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 709 | P1[j] = vce->data; |
---|
| 710 | } |
---|
| 711 | #ifdef HAVE_TIMECMPR |
---|
| 712 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 713 | decData[j] = P1[j]; |
---|
| 714 | #endif |
---|
| 715 | } |
---|
| 716 | |
---|
| 717 | /* Process Row-1 --> Row-r1-1 */ |
---|
| 718 | size_t index; |
---|
| 719 | for (i = 1; i < r1; i++) |
---|
| 720 | { |
---|
| 721 | /* Process row-i data 0 */ |
---|
| 722 | index = i*r2; |
---|
| 723 | pred1D = P1[0]; |
---|
| 724 | curData = spaceFillingValue[index]; |
---|
| 725 | diff = curData - pred1D; |
---|
| 726 | |
---|
| 727 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 728 | |
---|
| 729 | if (itvNum < exe_params->intvCapacity) |
---|
| 730 | { |
---|
| 731 | if (diff < 0) itvNum = -itvNum; |
---|
| 732 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 733 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 734 | |
---|
| 735 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 736 | if(fabs(curData-P0[0])>realPrecision) |
---|
| 737 | { |
---|
| 738 | type[index] = 0; |
---|
| 739 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 740 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 741 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 742 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 743 | |
---|
| 744 | P0[0] = vce->data; |
---|
| 745 | } |
---|
| 746 | } |
---|
| 747 | else |
---|
| 748 | { |
---|
| 749 | type[index] = 0; |
---|
| 750 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 751 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 752 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 753 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 754 | P0[0] = vce->data; |
---|
| 755 | } |
---|
| 756 | #ifdef HAVE_TIMECMPR |
---|
| 757 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 758 | decData[index] = P0[0]; |
---|
| 759 | #endif |
---|
| 760 | |
---|
| 761 | /* Process row-i data 1 --> r2-1*/ |
---|
| 762 | for (j = 1; j < r2; j++) |
---|
| 763 | { |
---|
| 764 | index = i*r2+j; |
---|
| 765 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 766 | |
---|
| 767 | curData = spaceFillingValue[index]; |
---|
| 768 | diff = curData - pred2D; |
---|
| 769 | |
---|
| 770 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 771 | |
---|
| 772 | if (itvNum < exe_params->intvCapacity) |
---|
| 773 | { |
---|
| 774 | if (diff < 0) itvNum = -itvNum; |
---|
| 775 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 776 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 777 | |
---|
| 778 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 779 | if(fabs(curData-P0[j])>realPrecision) |
---|
| 780 | { |
---|
| 781 | type[index] = 0; |
---|
| 782 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 783 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 784 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 785 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 786 | |
---|
| 787 | P0[j] = vce->data; |
---|
| 788 | } |
---|
| 789 | } |
---|
| 790 | else |
---|
| 791 | { |
---|
| 792 | type[index] = 0; |
---|
| 793 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 794 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 795 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 796 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 797 | P0[j] = vce->data; |
---|
| 798 | } |
---|
| 799 | #ifdef HAVE_TIMECMPR |
---|
| 800 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 801 | decData[index] = P0[j]; |
---|
| 802 | #endif |
---|
| 803 | } |
---|
| 804 | |
---|
| 805 | float *Pt; |
---|
| 806 | Pt = P1; |
---|
| 807 | P1 = P0; |
---|
| 808 | P0 = Pt; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | if(r2!=1) |
---|
| 812 | free(P0); |
---|
| 813 | free(P1); |
---|
| 814 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 815 | |
---|
| 816 | TightDataPointStorageF* tdps; |
---|
| 817 | |
---|
| 818 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 819 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 820 | exactLeadNumArray->array, |
---|
| 821 | resiBitArray->array, resiBitArray->size, |
---|
| 822 | resiBitsLength, |
---|
| 823 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 824 | |
---|
| 825 | // printf("exactDataNum=%d, expSegmentsInBytes_size=%d, exactMidByteArray->size=%d\n", |
---|
| 826 | // exactDataNum, expSegmentsInBytes_size, exactMidByteArray->size); |
---|
| 827 | |
---|
| 828 | // for(i = 3800;i<3844;i++) |
---|
| 829 | // printf("exactLeadNumArray->array[%d]=%d\n",i,exactLeadNumArray->array[i]); |
---|
| 830 | |
---|
| 831 | //free memory |
---|
| 832 | free_DIA(exactLeadNumArray); |
---|
| 833 | free_DIA(resiBitArray); |
---|
| 834 | free(type); |
---|
| 835 | free(vce); |
---|
| 836 | free(lce); |
---|
| 837 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 838 | |
---|
| 839 | return tdps; |
---|
| 840 | } |
---|
| 841 | |
---|
| 842 | /** |
---|
| 843 | * |
---|
| 844 | * Note: @r1 is high dimension |
---|
| 845 | * @r2 is low dimension |
---|
| 846 | * */ |
---|
| 847 | char SZ_compress_args_float_NoCkRngeNoGzip_2D(unsigned char** newByteData, float *oriData, size_t r1, size_t r2, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f) |
---|
| 848 | { |
---|
| 849 | size_t dataLength = r1*r2; |
---|
| 850 | char compressionType = 0; |
---|
| 851 | TightDataPointStorageF* tdps = NULL; |
---|
| 852 | |
---|
| 853 | #ifdef HAVE_TIMECMPR |
---|
| 854 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 855 | { |
---|
| 856 | int timestep = sz_tsc->currentStep; |
---|
| 857 | if(timestep % confparams_cpr->snapshotCmprStep != 0) |
---|
| 858 | { |
---|
| 859 | tdps = SZ_compress_float_1D_MDQ_ts(oriData, dataLength, multisteps, realPrecision, valueRangeSize, medianValue_f); |
---|
| 860 | compressionType = 1; //time-series based compression |
---|
| 861 | } |
---|
| 862 | else |
---|
| 863 | { |
---|
| 864 | tdps = SZ_compress_float_2D_MDQ(oriData, r1, r2, realPrecision, valueRangeSize, medianValue_f); |
---|
| 865 | compressionType = 0; //snapshot-based compression |
---|
| 866 | multisteps->lastSnapshotStep = timestep; |
---|
| 867 | } |
---|
| 868 | } |
---|
| 869 | else |
---|
| 870 | #endif |
---|
| 871 | tdps = SZ_compress_float_2D_MDQ(oriData, r1, r2, realPrecision, valueRangeSize, medianValue_f); |
---|
| 872 | |
---|
| 873 | convertTDPStoFlatBytes_float(tdps, newByteData, outSize); |
---|
| 874 | |
---|
| 875 | if(*outSize>dataLength*sizeof(float)) |
---|
| 876 | SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 877 | |
---|
| 878 | free_TightDataPointStorageF(tdps); |
---|
| 879 | |
---|
| 880 | return compressionType; |
---|
| 881 | } |
---|
| 882 | |
---|
| 883 | TightDataPointStorageF* SZ_compress_float_3D_MDQ(float *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, float valueRangeSize, float medianValue_f) |
---|
| 884 | { |
---|
| 885 | #ifdef HAVE_TIMECMPR |
---|
| 886 | float* decData = NULL; |
---|
| 887 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 888 | decData = (float*)(multisteps->hist_data); |
---|
| 889 | #endif |
---|
| 890 | |
---|
| 891 | unsigned int quantization_intervals; |
---|
| 892 | if(exe_params->optQuantMode==1) |
---|
| 893 | { |
---|
| 894 | quantization_intervals = optimize_intervals_float_3D_opt(oriData, r1, r2, r3, realPrecision); |
---|
| 895 | updateQuantizationInfo(quantization_intervals); |
---|
| 896 | } |
---|
| 897 | else |
---|
| 898 | quantization_intervals = exe_params->intvCapacity; |
---|
| 899 | size_t i,j,k; |
---|
| 900 | int reqLength; |
---|
| 901 | float pred1D, pred2D, pred3D; |
---|
| 902 | float diff = 0.0; |
---|
| 903 | double itvNum = 0; |
---|
| 904 | float *P0, *P1; |
---|
| 905 | |
---|
| 906 | size_t dataLength = r1*r2*r3; |
---|
| 907 | size_t r23 = r2*r3; |
---|
| 908 | P0 = (float*)malloc(r23*sizeof(float)); |
---|
| 909 | P1 = (float*)malloc(r23*sizeof(float)); |
---|
| 910 | |
---|
| 911 | float medianValue = medianValue_f; |
---|
| 912 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 913 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 914 | |
---|
| 915 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 916 | |
---|
| 917 | float* spaceFillingValue = oriData; // |
---|
| 918 | |
---|
| 919 | DynamicIntArray *exactLeadNumArray; |
---|
| 920 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 921 | |
---|
| 922 | DynamicByteArray *exactMidByteArray; |
---|
| 923 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 924 | |
---|
| 925 | DynamicIntArray *resiBitArray; |
---|
| 926 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 927 | |
---|
| 928 | unsigned char preDataBytes[4]; |
---|
| 929 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 930 | |
---|
| 931 | int reqBytesLength = reqLength/8; |
---|
| 932 | int resiBitsLength = reqLength%8; |
---|
| 933 | |
---|
| 934 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 935 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 936 | |
---|
| 937 | |
---|
| 938 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
| 939 | /* Process Row-0 data 0*/ |
---|
| 940 | type[0] = 0; |
---|
| 941 | compressSingleFloatValue(vce, spaceFillingValue[0], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 942 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 943 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 944 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 945 | P1[0] = vce->data; |
---|
| 946 | #ifdef HAVE_TIMECMPR |
---|
| 947 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 948 | decData[0] = P1[0]; |
---|
| 949 | #endif |
---|
| 950 | |
---|
| 951 | float curData; |
---|
| 952 | |
---|
| 953 | /* Process Row-0 data 1*/ |
---|
| 954 | pred1D = P1[0]; |
---|
| 955 | curData = spaceFillingValue[1]; |
---|
| 956 | diff = curData - pred1D; |
---|
| 957 | |
---|
| 958 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 959 | |
---|
| 960 | if (itvNum < exe_params->intvCapacity) |
---|
| 961 | { |
---|
| 962 | if (diff < 0) itvNum = -itvNum; |
---|
| 963 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 964 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 965 | |
---|
| 966 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 967 | if(fabs(curData-P1[1])>realPrecision) |
---|
| 968 | { |
---|
| 969 | type[1] = 0; |
---|
| 970 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 971 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 972 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 973 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 974 | |
---|
| 975 | P1[1] = vce->data; |
---|
| 976 | } |
---|
| 977 | } |
---|
| 978 | else |
---|
| 979 | { |
---|
| 980 | type[1] = 0; |
---|
| 981 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 982 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 983 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 984 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 985 | P1[1] = vce->data; |
---|
| 986 | } |
---|
| 987 | #ifdef HAVE_TIMECMPR |
---|
| 988 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 989 | decData[1] = P1[1]; |
---|
| 990 | #endif |
---|
| 991 | |
---|
| 992 | /* Process Row-0 data 2 --> data r3-1 */ |
---|
| 993 | for (j = 2; j < r3; j++) |
---|
| 994 | { |
---|
| 995 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 996 | curData = spaceFillingValue[j]; |
---|
| 997 | diff = curData - pred1D; |
---|
| 998 | |
---|
| 999 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1000 | |
---|
| 1001 | if (itvNum < exe_params->intvCapacity) |
---|
| 1002 | { |
---|
| 1003 | if (diff < 0) itvNum = -itvNum; |
---|
| 1004 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1005 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 1006 | |
---|
| 1007 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1008 | if(fabs(curData-P1[j])>realPrecision) |
---|
| 1009 | { |
---|
| 1010 | type[j] = 0; |
---|
| 1011 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1012 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1013 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1014 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1015 | |
---|
| 1016 | P1[j] = vce->data; |
---|
| 1017 | } |
---|
| 1018 | } |
---|
| 1019 | else |
---|
| 1020 | { |
---|
| 1021 | type[j] = 0; |
---|
| 1022 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1023 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1024 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1025 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1026 | P1[j] = vce->data; |
---|
| 1027 | } |
---|
| 1028 | #ifdef HAVE_TIMECMPR |
---|
| 1029 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1030 | decData[j] = P1[j]; |
---|
| 1031 | #endif |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 1035 | size_t index; |
---|
| 1036 | for (i = 1; i < r2; i++) |
---|
| 1037 | { |
---|
| 1038 | /* Process row-i data 0 */ |
---|
| 1039 | index = i*r3; |
---|
| 1040 | pred1D = P1[index-r3]; |
---|
| 1041 | curData = spaceFillingValue[index]; |
---|
| 1042 | diff = curData - pred1D; |
---|
| 1043 | |
---|
| 1044 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1045 | |
---|
| 1046 | if (itvNum < exe_params->intvCapacity) |
---|
| 1047 | { |
---|
| 1048 | if (diff < 0) itvNum = -itvNum; |
---|
| 1049 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1050 | P1[index] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1051 | |
---|
| 1052 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1053 | if(fabs(curData-P1[index])>realPrecision) |
---|
| 1054 | { |
---|
| 1055 | type[index] = 0; |
---|
| 1056 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1057 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1058 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1059 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1060 | |
---|
| 1061 | P1[index] = vce->data; |
---|
| 1062 | } |
---|
| 1063 | } |
---|
| 1064 | else |
---|
| 1065 | { |
---|
| 1066 | type[index] = 0; |
---|
| 1067 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1068 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1069 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1070 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1071 | P1[index] = vce->data; |
---|
| 1072 | } |
---|
| 1073 | #ifdef HAVE_TIMECMPR |
---|
| 1074 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1075 | decData[index] = P1[index]; |
---|
| 1076 | #endif |
---|
| 1077 | |
---|
| 1078 | /* Process row-i data 1 --> data r3-1*/ |
---|
| 1079 | for (j = 1; j < r3; j++) |
---|
| 1080 | { |
---|
| 1081 | index = i*r3+j; |
---|
| 1082 | pred2D = P1[index-1] + P1[index-r3] - P1[index-r3-1]; |
---|
| 1083 | |
---|
| 1084 | curData = spaceFillingValue[index]; |
---|
| 1085 | diff = curData - pred2D; |
---|
| 1086 | |
---|
| 1087 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1088 | |
---|
| 1089 | if (itvNum < exe_params->intvCapacity) |
---|
| 1090 | { |
---|
| 1091 | if (diff < 0) itvNum = -itvNum; |
---|
| 1092 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1093 | P1[index] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1094 | |
---|
| 1095 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1096 | if(fabs(curData-P1[index])>realPrecision) |
---|
| 1097 | { |
---|
| 1098 | type[index] = 0; |
---|
| 1099 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1100 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1101 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1102 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1103 | |
---|
| 1104 | P1[index] = vce->data; |
---|
| 1105 | } |
---|
| 1106 | } |
---|
| 1107 | else |
---|
| 1108 | { |
---|
| 1109 | type[index] = 0; |
---|
| 1110 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1111 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1112 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1113 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1114 | P1[index] = vce->data; |
---|
| 1115 | } |
---|
| 1116 | #ifdef HAVE_TIMECMPR |
---|
| 1117 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1118 | decData[index] = P1[index]; |
---|
| 1119 | #endif |
---|
| 1120 | } |
---|
| 1121 | } |
---|
| 1122 | |
---|
| 1123 | |
---|
| 1124 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
| 1125 | |
---|
| 1126 | for (k = 1; k < r1; k++) |
---|
| 1127 | { |
---|
| 1128 | /* Process Row-0 data 0*/ |
---|
| 1129 | index = k*r23; |
---|
| 1130 | pred1D = P1[0]; |
---|
| 1131 | curData = spaceFillingValue[index]; |
---|
| 1132 | diff = curData - pred1D; |
---|
| 1133 | |
---|
| 1134 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1135 | |
---|
| 1136 | if (itvNum < exe_params->intvCapacity) |
---|
| 1137 | { |
---|
| 1138 | if (diff < 0) itvNum = -itvNum; |
---|
| 1139 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1140 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1141 | |
---|
| 1142 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1143 | if(fabs(curData-P0[0])>realPrecision) |
---|
| 1144 | { |
---|
| 1145 | type[index] = 0; |
---|
| 1146 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1147 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1148 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1149 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1150 | |
---|
| 1151 | P0[0] = vce->data; |
---|
| 1152 | } |
---|
| 1153 | } |
---|
| 1154 | else |
---|
| 1155 | { |
---|
| 1156 | type[index] = 0; |
---|
| 1157 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1158 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1159 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1160 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1161 | P0[0] = vce->data; |
---|
| 1162 | } |
---|
| 1163 | #ifdef HAVE_TIMECMPR |
---|
| 1164 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1165 | decData[index] = P0[0]; |
---|
| 1166 | #endif |
---|
| 1167 | |
---|
| 1168 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
| 1169 | for (j = 1; j < r3; j++) |
---|
| 1170 | { |
---|
| 1171 | //index = k*r2*r3+j; |
---|
| 1172 | index ++; |
---|
| 1173 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 1174 | curData = spaceFillingValue[index]; |
---|
| 1175 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1176 | |
---|
| 1177 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1178 | |
---|
| 1179 | if (itvNum < exe_params->intvCapacity) |
---|
| 1180 | { |
---|
| 1181 | if (diff < 0) itvNum = -itvNum; |
---|
| 1182 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1183 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1184 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1185 | if(fabs(curData-P0[j])>realPrecision) |
---|
| 1186 | { |
---|
| 1187 | type[index] = 0; |
---|
| 1188 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1189 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1190 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1191 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1192 | |
---|
| 1193 | P0[j] = vce->data; |
---|
| 1194 | } |
---|
| 1195 | } |
---|
| 1196 | else |
---|
| 1197 | { |
---|
| 1198 | type[index] = 0; |
---|
| 1199 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1200 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1201 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1202 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1203 | P0[j] = vce->data; |
---|
| 1204 | } |
---|
| 1205 | #ifdef HAVE_TIMECMPR |
---|
| 1206 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1207 | decData[index] = P0[j]; |
---|
| 1208 | #endif |
---|
| 1209 | } |
---|
| 1210 | |
---|
| 1211 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 1212 | size_t index2D; |
---|
| 1213 | for (i = 1; i < r2; i++) |
---|
| 1214 | { |
---|
| 1215 | /* Process Row-i data 0 */ |
---|
| 1216 | index = k*r23 + i*r3; |
---|
| 1217 | index2D = i*r3; |
---|
| 1218 | pred2D = P0[index2D-r3] + P1[index2D] - P1[index2D-r3]; |
---|
| 1219 | curData = spaceFillingValue[index]; |
---|
| 1220 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1221 | |
---|
| 1222 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1223 | |
---|
| 1224 | if (itvNum < exe_params->intvCapacity) |
---|
| 1225 | { |
---|
| 1226 | if (diff < 0) itvNum = -itvNum; |
---|
| 1227 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1228 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1229 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1230 | if(fabs(curData-P0[index2D])>realPrecision) |
---|
| 1231 | { |
---|
| 1232 | type[index] = 0; |
---|
| 1233 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1234 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1235 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1236 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1237 | |
---|
| 1238 | P0[index2D] = vce->data; |
---|
| 1239 | } |
---|
| 1240 | } |
---|
| 1241 | else |
---|
| 1242 | { |
---|
| 1243 | type[index] = 0; |
---|
| 1244 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1245 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1246 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1247 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1248 | P0[index2D] = vce->data; |
---|
| 1249 | } |
---|
| 1250 | #ifdef HAVE_TIMECMPR |
---|
| 1251 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1252 | decData[index] = P0[index2D]; |
---|
| 1253 | #endif |
---|
| 1254 | |
---|
| 1255 | /* Process Row-i data 1 --> data r3-1 */ |
---|
| 1256 | for (j = 1; j < r3; j++) |
---|
| 1257 | { |
---|
| 1258 | // if(k==63&&i==43&&j==27) |
---|
| 1259 | // printf("i=%d\n", i); |
---|
| 1260 | //index = k*r2*r3 + i*r3 + j; |
---|
| 1261 | index ++; |
---|
| 1262 | index2D = i*r3 + j; |
---|
| 1263 | pred3D = P0[index2D-1] + P0[index2D-r3]+ P1[index2D] - P0[index2D-r3-1] - P1[index2D-r3] - P1[index2D-1] + P1[index2D-r3-1]; |
---|
| 1264 | curData = spaceFillingValue[index]; |
---|
| 1265 | diff = curData - pred3D; |
---|
| 1266 | |
---|
| 1267 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1268 | |
---|
| 1269 | if (itvNum < exe_params->intvCapacity) |
---|
| 1270 | { |
---|
| 1271 | if (diff < 0) itvNum = -itvNum; |
---|
| 1272 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1273 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1274 | |
---|
| 1275 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 1276 | if(fabs(curData-P0[index2D])>realPrecision) |
---|
| 1277 | { |
---|
| 1278 | type[index] = 0; |
---|
| 1279 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1280 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1281 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1282 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1283 | |
---|
| 1284 | P0[index2D] = vce->data; |
---|
| 1285 | } |
---|
| 1286 | } |
---|
| 1287 | else |
---|
| 1288 | { |
---|
| 1289 | type[index] = 0; |
---|
| 1290 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1291 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1292 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1293 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1294 | P0[index2D] = vce->data; |
---|
| 1295 | } |
---|
| 1296 | #ifdef HAVE_TIMECMPR |
---|
| 1297 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1298 | decData[index] = P0[index2D]; |
---|
| 1299 | #endif |
---|
| 1300 | } |
---|
| 1301 | } |
---|
| 1302 | |
---|
| 1303 | float *Pt; |
---|
| 1304 | Pt = P1; |
---|
| 1305 | P1 = P0; |
---|
| 1306 | P0 = Pt; |
---|
| 1307 | } |
---|
| 1308 | if(r23!=1) |
---|
| 1309 | free(P0); |
---|
| 1310 | free(P1); |
---|
| 1311 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 1312 | |
---|
| 1313 | TightDataPointStorageF* tdps; |
---|
| 1314 | |
---|
| 1315 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 1316 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 1317 | exactLeadNumArray->array, |
---|
| 1318 | resiBitArray->array, resiBitArray->size, |
---|
| 1319 | resiBitsLength, |
---|
| 1320 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 1321 | |
---|
| 1322 | //sdi:Debug |
---|
| 1323 | /* int sum =0; |
---|
| 1324 | for(i=0;i<dataLength;i++) |
---|
| 1325 | if(type[i]==0) sum++; |
---|
| 1326 | printf("opt_quantizations=%d, exactDataNum=%d, sum=%d\n",quantization_intervals, exactDataNum, sum);*/ |
---|
| 1327 | |
---|
| 1328 | |
---|
| 1329 | // printf("exactDataNum=%d, expSegmentsInBytes_size=%d, exactMidByteArray->size=%d\n", |
---|
| 1330 | // exactDataNum, expSegmentsInBytes_size, exactMidByteArray->size); |
---|
| 1331 | |
---|
| 1332 | //free memory |
---|
| 1333 | free_DIA(exactLeadNumArray); |
---|
| 1334 | free_DIA(resiBitArray); |
---|
| 1335 | free(type); |
---|
| 1336 | free(vce); |
---|
| 1337 | free(lce); |
---|
| 1338 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 1339 | |
---|
| 1340 | return tdps; |
---|
| 1341 | } |
---|
| 1342 | |
---|
| 1343 | char SZ_compress_args_float_NoCkRngeNoGzip_3D(unsigned char** newByteData, float *oriData, size_t r1, size_t r2, size_t r3, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f) |
---|
| 1344 | { |
---|
| 1345 | size_t dataLength = r1*r2*r3; |
---|
| 1346 | char compressionType = 0; |
---|
| 1347 | TightDataPointStorageF* tdps = NULL; |
---|
| 1348 | |
---|
| 1349 | #ifdef HAVE_TIMECMPR |
---|
| 1350 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1351 | { |
---|
| 1352 | int timestep = sz_tsc->currentStep; |
---|
| 1353 | if(timestep % confparams_cpr->snapshotCmprStep != 0) |
---|
| 1354 | { |
---|
| 1355 | tdps = SZ_compress_float_1D_MDQ_ts(oriData, dataLength, multisteps, realPrecision, valueRangeSize, medianValue_f); |
---|
| 1356 | compressionType = 1; //time-series based compression |
---|
| 1357 | } |
---|
| 1358 | else |
---|
| 1359 | { |
---|
| 1360 | tdps = SZ_compress_float_3D_MDQ(oriData, r1, r2, r3, realPrecision, valueRangeSize, medianValue_f); |
---|
| 1361 | compressionType = 0; //snapshot-based compression |
---|
| 1362 | multisteps->lastSnapshotStep = timestep; |
---|
| 1363 | } |
---|
| 1364 | } |
---|
| 1365 | else |
---|
| 1366 | #endif |
---|
| 1367 | tdps = SZ_compress_float_3D_MDQ(oriData, r1, r2, r3, realPrecision, valueRangeSize, medianValue_f); |
---|
| 1368 | |
---|
| 1369 | |
---|
| 1370 | convertTDPStoFlatBytes_float(tdps, newByteData, outSize); |
---|
| 1371 | |
---|
| 1372 | if(*outSize>dataLength*sizeof(float)) |
---|
| 1373 | SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 1374 | |
---|
| 1375 | free_TightDataPointStorageF(tdps); |
---|
| 1376 | |
---|
| 1377 | return compressionType; |
---|
| 1378 | } |
---|
| 1379 | |
---|
| 1380 | |
---|
| 1381 | TightDataPointStorageF* SZ_compress_float_4D_MDQ(float *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, float valueRangeSize, float medianValue_f) |
---|
| 1382 | { |
---|
| 1383 | unsigned int quantization_intervals; |
---|
| 1384 | if(exe_params->optQuantMode==1) |
---|
| 1385 | { |
---|
| 1386 | quantization_intervals = optimize_intervals_float_4D(oriData, r1, r2, r3, r4, realPrecision); |
---|
| 1387 | updateQuantizationInfo(quantization_intervals); |
---|
| 1388 | } |
---|
| 1389 | else |
---|
| 1390 | quantization_intervals = exe_params->intvCapacity; |
---|
| 1391 | |
---|
| 1392 | size_t i,j,k; |
---|
| 1393 | int reqLength; |
---|
| 1394 | float pred1D, pred2D, pred3D; |
---|
| 1395 | float diff = 0.0; |
---|
| 1396 | double itvNum = 0; |
---|
| 1397 | float *P0, *P1; |
---|
| 1398 | |
---|
| 1399 | size_t dataLength = r1*r2*r3*r4; |
---|
| 1400 | |
---|
| 1401 | size_t r234 = r2*r3*r4; |
---|
| 1402 | size_t r34 = r3*r4; |
---|
| 1403 | |
---|
| 1404 | P0 = (float*)malloc(r34*sizeof(float)); |
---|
| 1405 | P1 = (float*)malloc(r34*sizeof(float)); |
---|
| 1406 | |
---|
| 1407 | float medianValue = medianValue_f; |
---|
| 1408 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 1409 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 1410 | |
---|
| 1411 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 1412 | |
---|
| 1413 | float* spaceFillingValue = oriData; // |
---|
| 1414 | |
---|
| 1415 | DynamicIntArray *exactLeadNumArray; |
---|
| 1416 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 1417 | |
---|
| 1418 | DynamicByteArray *exactMidByteArray; |
---|
| 1419 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 1420 | |
---|
| 1421 | DynamicIntArray *resiBitArray; |
---|
| 1422 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 1423 | |
---|
| 1424 | unsigned char preDataBytes[4]; |
---|
| 1425 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 1426 | |
---|
| 1427 | int reqBytesLength = reqLength/8; |
---|
| 1428 | int resiBitsLength = reqLength%8; |
---|
| 1429 | |
---|
| 1430 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 1431 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 1432 | |
---|
| 1433 | |
---|
| 1434 | size_t l; |
---|
| 1435 | for (l = 0; l < r1; l++) |
---|
| 1436 | { |
---|
| 1437 | |
---|
| 1438 | /////////////////////////// Process layer-0 /////////////////////////// |
---|
| 1439 | /* Process Row-0 data 0*/ |
---|
| 1440 | size_t index = l*r234; |
---|
| 1441 | size_t index2D = 0; |
---|
| 1442 | |
---|
| 1443 | type[index] = 0; |
---|
| 1444 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1445 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1446 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1447 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1448 | P1[index2D] = vce->data; |
---|
| 1449 | |
---|
| 1450 | /* Process Row-0 data 1*/ |
---|
| 1451 | index = l*r234+1; |
---|
| 1452 | index2D = 1; |
---|
| 1453 | |
---|
| 1454 | pred1D = P1[index2D-1]; |
---|
| 1455 | diff = spaceFillingValue[index] - pred1D; |
---|
| 1456 | |
---|
| 1457 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1458 | |
---|
| 1459 | if (itvNum < exe_params->intvCapacity) |
---|
| 1460 | { |
---|
| 1461 | if (diff < 0) itvNum = -itvNum; |
---|
| 1462 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1463 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1464 | } |
---|
| 1465 | else |
---|
| 1466 | { |
---|
| 1467 | type[index] = 0; |
---|
| 1468 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1469 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1470 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1471 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1472 | P1[index2D] = vce->data; |
---|
| 1473 | } |
---|
| 1474 | |
---|
| 1475 | /* Process Row-0 data 2 --> data r4-1 */ |
---|
| 1476 | for (j = 2; j < r4; j++) |
---|
| 1477 | { |
---|
| 1478 | index = l*r234+j; |
---|
| 1479 | index2D = j; |
---|
| 1480 | |
---|
| 1481 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
| 1482 | diff = spaceFillingValue[index] - pred1D; |
---|
| 1483 | |
---|
| 1484 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1485 | |
---|
| 1486 | if (itvNum < exe_params->intvCapacity) |
---|
| 1487 | { |
---|
| 1488 | if (diff < 0) itvNum = -itvNum; |
---|
| 1489 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1490 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1491 | } |
---|
| 1492 | else |
---|
| 1493 | { |
---|
| 1494 | type[index] = 0; |
---|
| 1495 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1496 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1497 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1498 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1499 | P1[index2D] = vce->data; |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | |
---|
| 1503 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 1504 | for (i = 1; i < r3; i++) |
---|
| 1505 | { |
---|
| 1506 | /* Process row-i data 0 */ |
---|
| 1507 | index = l*r234+i*r4; |
---|
| 1508 | index2D = i*r4; |
---|
| 1509 | |
---|
| 1510 | pred1D = P1[index2D-r4]; |
---|
| 1511 | diff = spaceFillingValue[index] - pred1D; |
---|
| 1512 | |
---|
| 1513 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1514 | |
---|
| 1515 | if (itvNum < exe_params->intvCapacity) |
---|
| 1516 | { |
---|
| 1517 | if (diff < 0) itvNum = -itvNum; |
---|
| 1518 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1519 | P1[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1520 | } |
---|
| 1521 | else |
---|
| 1522 | { |
---|
| 1523 | type[index] = 0; |
---|
| 1524 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1525 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1526 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1527 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1528 | P1[index2D] = vce->data; |
---|
| 1529 | } |
---|
| 1530 | |
---|
| 1531 | /* Process row-i data 1 --> data r4-1*/ |
---|
| 1532 | for (j = 1; j < r4; j++) |
---|
| 1533 | { |
---|
| 1534 | index = l*r234+i*r4+j; |
---|
| 1535 | index2D = i*r4+j; |
---|
| 1536 | |
---|
| 1537 | pred2D = P1[index2D-1] + P1[index2D-r4] - P1[index2D-r4-1]; |
---|
| 1538 | |
---|
| 1539 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1540 | |
---|
| 1541 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1542 | |
---|
| 1543 | if (itvNum < exe_params->intvCapacity) |
---|
| 1544 | { |
---|
| 1545 | if (diff < 0) itvNum = -itvNum; |
---|
| 1546 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1547 | P1[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1548 | } |
---|
| 1549 | else |
---|
| 1550 | { |
---|
| 1551 | type[index] = 0; |
---|
| 1552 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1553 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1554 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1555 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1556 | P1[index2D] = vce->data; |
---|
| 1557 | } |
---|
| 1558 | } |
---|
| 1559 | } |
---|
| 1560 | |
---|
| 1561 | |
---|
| 1562 | /////////////////////////// Process layer-1 --> layer-r2-1 /////////////////////////// |
---|
| 1563 | |
---|
| 1564 | for (k = 1; k < r2; k++) |
---|
| 1565 | { |
---|
| 1566 | /* Process Row-0 data 0*/ |
---|
| 1567 | index = l*r234+k*r34; |
---|
| 1568 | index2D = 0; |
---|
| 1569 | |
---|
| 1570 | pred1D = P1[index2D]; |
---|
| 1571 | diff = spaceFillingValue[index] - pred1D; |
---|
| 1572 | |
---|
| 1573 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1574 | |
---|
| 1575 | if (itvNum < exe_params->intvCapacity) |
---|
| 1576 | { |
---|
| 1577 | if (diff < 0) itvNum = -itvNum; |
---|
| 1578 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1579 | P0[index2D] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1580 | } |
---|
| 1581 | else |
---|
| 1582 | { |
---|
| 1583 | type[index] = 0; |
---|
| 1584 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1585 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1586 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1587 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1588 | P0[index2D] = vce->data; |
---|
| 1589 | } |
---|
| 1590 | |
---|
| 1591 | /* Process Row-0 data 1 --> data r4-1 */ |
---|
| 1592 | for (j = 1; j < r4; j++) |
---|
| 1593 | { |
---|
| 1594 | index = l*r234+k*r34+j; |
---|
| 1595 | index2D = j; |
---|
| 1596 | |
---|
| 1597 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
| 1598 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1599 | |
---|
| 1600 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1601 | |
---|
| 1602 | if (itvNum < exe_params->intvCapacity) |
---|
| 1603 | { |
---|
| 1604 | if (diff < 0) itvNum = -itvNum; |
---|
| 1605 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1606 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1607 | } |
---|
| 1608 | else |
---|
| 1609 | { |
---|
| 1610 | type[index] = 0; |
---|
| 1611 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1612 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1613 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1614 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1615 | P0[index2D] = vce->data; |
---|
| 1616 | } |
---|
| 1617 | } |
---|
| 1618 | |
---|
| 1619 | /* Process Row-1 --> Row-r3-1 */ |
---|
| 1620 | for (i = 1; i < r3; i++) |
---|
| 1621 | { |
---|
| 1622 | /* Process Row-i data 0 */ |
---|
| 1623 | index = l*r234+k*r34+i*r4; |
---|
| 1624 | index2D = i*r4; |
---|
| 1625 | |
---|
| 1626 | pred2D = P0[index2D-r4] + P1[index2D] - P1[index2D-r4]; |
---|
| 1627 | diff = spaceFillingValue[index] - pred2D; |
---|
| 1628 | |
---|
| 1629 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1630 | |
---|
| 1631 | if (itvNum < exe_params->intvCapacity) |
---|
| 1632 | { |
---|
| 1633 | if (diff < 0) itvNum = -itvNum; |
---|
| 1634 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1635 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1636 | } |
---|
| 1637 | else |
---|
| 1638 | { |
---|
| 1639 | type[index] = 0; |
---|
| 1640 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1641 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1642 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1643 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1644 | P0[index2D] = vce->data; |
---|
| 1645 | } |
---|
| 1646 | |
---|
| 1647 | /* Process Row-i data 1 --> data r4-1 */ |
---|
| 1648 | for (j = 1; j < r4; j++) |
---|
| 1649 | { |
---|
| 1650 | index = l*r234+k*r34+i*r4+j; |
---|
| 1651 | index2D = i*r4+j; |
---|
| 1652 | |
---|
| 1653 | pred3D = P0[index2D-1] + P0[index2D-r4]+ P1[index2D] - P0[index2D-r4-1] - P1[index2D-r4] - P1[index2D-1] + P1[index2D-r4-1]; |
---|
| 1654 | diff = spaceFillingValue[index] - pred3D; |
---|
| 1655 | |
---|
| 1656 | |
---|
| 1657 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 1658 | |
---|
| 1659 | if (itvNum < exe_params->intvCapacity) |
---|
| 1660 | { |
---|
| 1661 | if (diff < 0) itvNum = -itvNum; |
---|
| 1662 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 1663 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 1664 | } |
---|
| 1665 | else |
---|
| 1666 | { |
---|
| 1667 | type[index] = 0; |
---|
| 1668 | compressSingleFloatValue(vce, spaceFillingValue[index], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 1669 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 1670 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 1671 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 1672 | P0[index2D] = vce->data; |
---|
| 1673 | } |
---|
| 1674 | } |
---|
| 1675 | } |
---|
| 1676 | |
---|
| 1677 | float *Pt; |
---|
| 1678 | Pt = P1; |
---|
| 1679 | P1 = P0; |
---|
| 1680 | P0 = Pt; |
---|
| 1681 | } |
---|
| 1682 | } |
---|
| 1683 | |
---|
| 1684 | free(P0); |
---|
| 1685 | free(P1); |
---|
| 1686 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 1687 | |
---|
| 1688 | TightDataPointStorageF* tdps; |
---|
| 1689 | |
---|
| 1690 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 1691 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 1692 | exactLeadNumArray->array, |
---|
| 1693 | resiBitArray->array, resiBitArray->size, |
---|
| 1694 | resiBitsLength, |
---|
| 1695 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 1696 | |
---|
| 1697 | //free memory |
---|
| 1698 | free_DIA(exactLeadNumArray); |
---|
| 1699 | free_DIA(resiBitArray); |
---|
| 1700 | free(type); |
---|
| 1701 | free(vce); |
---|
| 1702 | free(lce); |
---|
| 1703 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 1704 | |
---|
| 1705 | return tdps; |
---|
| 1706 | } |
---|
| 1707 | |
---|
| 1708 | char SZ_compress_args_float_NoCkRngeNoGzip_4D(unsigned char** newByteData, float *oriData, size_t r1, size_t r2, size_t r3, size_t r4, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f) |
---|
| 1709 | { |
---|
| 1710 | TightDataPointStorageF* tdps = SZ_compress_float_4D_MDQ(oriData, r1, r2, r3, r4, realPrecision, valueRangeSize, medianValue_f); |
---|
| 1711 | |
---|
| 1712 | convertTDPStoFlatBytes_float(tdps, newByteData, outSize); |
---|
| 1713 | |
---|
| 1714 | int dataLength = r1*r2*r3*r4; |
---|
| 1715 | if(*outSize>dataLength*sizeof(float)) |
---|
| 1716 | SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 1717 | |
---|
| 1718 | free_TightDataPointStorageF(tdps); |
---|
| 1719 | |
---|
| 1720 | return 0; |
---|
| 1721 | } |
---|
| 1722 | |
---|
| 1723 | void SZ_compress_args_float_withinRange(unsigned char** newByteData, float *oriData, size_t dataLength, size_t *outSize) |
---|
| 1724 | { |
---|
| 1725 | TightDataPointStorageF* tdps = (TightDataPointStorageF*) malloc(sizeof(TightDataPointStorageF)); |
---|
| 1726 | tdps->rtypeArray = NULL; |
---|
| 1727 | tdps->typeArray = NULL; |
---|
| 1728 | tdps->leadNumArray = NULL; |
---|
| 1729 | tdps->residualMidBits = NULL; |
---|
| 1730 | |
---|
| 1731 | tdps->allSameData = 1; |
---|
| 1732 | tdps->dataSeriesLength = dataLength; |
---|
| 1733 | tdps->exactMidBytes = (unsigned char*)malloc(sizeof(unsigned char)*4); |
---|
| 1734 | tdps->pwrErrBoundBytes = NULL; |
---|
| 1735 | tdps->isLossless = 0; |
---|
| 1736 | float value = oriData[0]; |
---|
| 1737 | floatToBytes(tdps->exactMidBytes, value); |
---|
| 1738 | tdps->exactMidBytes_size = 4; |
---|
| 1739 | |
---|
| 1740 | size_t tmpOutSize; |
---|
| 1741 | //unsigned char *tmpByteData; |
---|
| 1742 | convertTDPStoFlatBytes_float(tdps, newByteData, &tmpOutSize); |
---|
| 1743 | |
---|
| 1744 | //*newByteData = (unsigned char*)malloc(sizeof(unsigned char)*12); //for floating-point data (1+3+4+4) |
---|
| 1745 | //memcpy(*newByteData, tmpByteData, 12); |
---|
| 1746 | *outSize = tmpOutSize; //8+SZ_SIZE_TYPE; //8==3+1+4(float_size) |
---|
| 1747 | free_TightDataPointStorageF(tdps); |
---|
| 1748 | } |
---|
| 1749 | |
---|
| 1750 | int SZ_compress_args_float_wRngeNoGzip(unsigned char** newByteData, float *oriData, |
---|
| 1751 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
| 1752 | int errBoundMode, double absErr_Bound, double relBoundRatio, double pwrErrRatio) |
---|
| 1753 | { |
---|
| 1754 | int status = SZ_SCES; |
---|
| 1755 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
| 1756 | float valueRangeSize = 0, medianValue = 0; |
---|
| 1757 | |
---|
| 1758 | float min = computeRangeSize_float(oriData, dataLength, &valueRangeSize, &medianValue); |
---|
| 1759 | float max = min+valueRangeSize; |
---|
| 1760 | double realPrecision = getRealPrecision_float(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
| 1761 | |
---|
| 1762 | if(valueRangeSize <= realPrecision) |
---|
| 1763 | { |
---|
| 1764 | SZ_compress_args_float_withinRange(newByteData, oriData, dataLength, outSize); |
---|
| 1765 | } |
---|
| 1766 | else |
---|
| 1767 | { |
---|
| 1768 | // SZ_compress_args_float_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize); |
---|
| 1769 | if(r5==0&&r4==0&&r3==0&&r2==0) |
---|
| 1770 | { |
---|
| 1771 | if(errBoundMode>=PW_REL) |
---|
| 1772 | { |
---|
| 1773 | //SZ_compress_args_float_NoCkRngeNoGzip_1D_pwr(newByteData, oriData, realPrecision, r1, outSize, min, max); |
---|
| 1774 | SZ_compress_args_float_NoCkRngeNoGzip_1D_pwrgroup(newByteData, oriData, r1, absErr_Bound, relBoundRatio, pwrErrRatio, valueRangeSize, medianValue, outSize); |
---|
| 1775 | } |
---|
| 1776 | else |
---|
| 1777 | SZ_compress_args_float_NoCkRngeNoGzip_1D(newByteData, oriData, r1, realPrecision, outSize, valueRangeSize, medianValue); |
---|
| 1778 | } |
---|
| 1779 | else if(r5==0&&r4==0&&r3==0) |
---|
| 1780 | { |
---|
| 1781 | if(errBoundMode>=PW_REL) |
---|
| 1782 | SZ_compress_args_float_NoCkRngeNoGzip_2D_pwr(newByteData, oriData, realPrecision, r2, r1, outSize, min, max); |
---|
| 1783 | else |
---|
| 1784 | SZ_compress_args_float_NoCkRngeNoGzip_2D(newByteData, oriData, r2, r1, realPrecision, outSize, valueRangeSize, medianValue); |
---|
| 1785 | } |
---|
| 1786 | else if(r5==0&&r4==0) |
---|
| 1787 | { |
---|
| 1788 | if(errBoundMode>=PW_REL) |
---|
| 1789 | SZ_compress_args_float_NoCkRngeNoGzip_3D_pwr(newByteData, oriData, realPrecision, r3, r2, r1, outSize, min, max); |
---|
| 1790 | else |
---|
| 1791 | SZ_compress_args_float_NoCkRngeNoGzip_3D(newByteData, oriData, r3, r2, r1, realPrecision, outSize, valueRangeSize, medianValue); |
---|
| 1792 | } |
---|
| 1793 | else if(r5==0) |
---|
| 1794 | { |
---|
| 1795 | if(errBoundMode>=PW_REL) |
---|
| 1796 | SZ_compress_args_float_NoCkRngeNoGzip_3D_pwr(newByteData, oriData, realPrecision, r4*r3, r2, r1, outSize, min, max); |
---|
| 1797 | else |
---|
| 1798 | SZ_compress_args_float_NoCkRngeNoGzip_3D(newByteData, oriData, r4*r3, r2, r1, realPrecision, outSize, valueRangeSize, medianValue); |
---|
| 1799 | } |
---|
| 1800 | } |
---|
| 1801 | return status; |
---|
| 1802 | } |
---|
| 1803 | |
---|
| 1804 | int SZ_compress_args_float(unsigned char** newByteData, float *oriData, |
---|
| 1805 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, size_t *outSize, |
---|
| 1806 | int errBoundMode, double absErr_Bound, double relBoundRatio, double pwRelBoundRatio) |
---|
| 1807 | { |
---|
| 1808 | confparams_cpr->errorBoundMode = errBoundMode; |
---|
| 1809 | if(errBoundMode==PW_REL) |
---|
| 1810 | { |
---|
| 1811 | confparams_cpr->pw_relBoundRatio = pwRelBoundRatio; |
---|
| 1812 | //confparams_cpr->pwr_type = SZ_PWR_MIN_TYPE; |
---|
| 1813 | if(confparams_cpr->pwr_type==SZ_PWR_AVG_TYPE && r3 != 0 ) |
---|
| 1814 | { |
---|
| 1815 | printf("Error: Current version doesn't support 3D data compression with point-wise relative error bound being based on pwrType=AVG\n"); |
---|
| 1816 | exit(0); |
---|
| 1817 | return SZ_NSCS; |
---|
| 1818 | } |
---|
| 1819 | } |
---|
| 1820 | int status = SZ_SCES; |
---|
| 1821 | size_t dataLength = computeDataLength(r5,r4,r3,r2,r1); |
---|
| 1822 | |
---|
| 1823 | if(dataLength <= MIN_NUM_OF_ELEMENTS) |
---|
| 1824 | { |
---|
| 1825 | *newByteData = SZ_skip_compress_float(oriData, dataLength, outSize); |
---|
| 1826 | return status; |
---|
| 1827 | } |
---|
| 1828 | |
---|
| 1829 | float valueRangeSize = 0, medianValue = 0; |
---|
| 1830 | |
---|
| 1831 | float min = computeRangeSize_float(oriData, dataLength, &valueRangeSize, &medianValue); |
---|
| 1832 | float max = min+valueRangeSize; |
---|
| 1833 | double realPrecision = 0; |
---|
| 1834 | |
---|
| 1835 | if(confparams_cpr->errorBoundMode==PSNR) |
---|
| 1836 | { |
---|
| 1837 | confparams_cpr->errorBoundMode = ABS; |
---|
| 1838 | realPrecision = confparams_cpr->absErrBound = computeABSErrBoundFromPSNR(confparams_cpr->psnr, (double)confparams_cpr->predThreshold, (double)valueRangeSize); |
---|
| 1839 | //printf("realPrecision=%lf\n", realPrecision); |
---|
| 1840 | } |
---|
| 1841 | else |
---|
| 1842 | realPrecision = getRealPrecision_float(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
| 1843 | |
---|
| 1844 | if(valueRangeSize <= realPrecision) |
---|
| 1845 | { |
---|
| 1846 | SZ_compress_args_float_withinRange(newByteData, oriData, dataLength, outSize); |
---|
| 1847 | } |
---|
| 1848 | else |
---|
| 1849 | { |
---|
| 1850 | size_t tmpOutSize = 0; |
---|
| 1851 | unsigned char* tmpByteData; |
---|
| 1852 | |
---|
| 1853 | if (r2==0) |
---|
| 1854 | { |
---|
| 1855 | if(confparams_cpr->errorBoundMode>=PW_REL) |
---|
| 1856 | { |
---|
| 1857 | //SZ_compress_args_float_NoCkRngeNoGzip_1D_pwr(&tmpByteData, oriData, realPrecision, r1, &tmpOutSize, min, max); |
---|
| 1858 | SZ_compress_args_float_NoCkRngeNoGzip_1D_pwrgroup(&tmpByteData, oriData, r1, absErr_Bound, relBoundRatio, pwRelBoundRatio, |
---|
| 1859 | valueRangeSize, medianValue, &tmpOutSize); |
---|
| 1860 | } |
---|
| 1861 | else |
---|
| 1862 | #ifdef HAVE_TIMECMPR |
---|
| 1863 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1864 | multisteps->compressionType = SZ_compress_args_float_NoCkRngeNoGzip_1D(&tmpByteData, oriData, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1865 | else |
---|
| 1866 | #endif |
---|
| 1867 | SZ_compress_args_float_NoCkRngeNoGzip_1D(&tmpByteData, oriData, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1868 | } |
---|
| 1869 | else |
---|
| 1870 | if (r3==0) |
---|
| 1871 | { |
---|
| 1872 | if(confparams_cpr->errorBoundMode>=PW_REL) |
---|
| 1873 | SZ_compress_args_float_NoCkRngeNoGzip_2D_pwr(&tmpByteData, oriData, realPrecision, r2, r1, &tmpOutSize, min, max); |
---|
| 1874 | else |
---|
| 1875 | #ifdef HAVE_TIMECMPR |
---|
| 1876 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1877 | multisteps->compressionType = SZ_compress_args_float_NoCkRngeNoGzip_2D(&tmpByteData, oriData, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1878 | else |
---|
| 1879 | #endif |
---|
| 1880 | SZ_compress_args_float_NoCkRngeNoGzip_2D(&tmpByteData, oriData, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1881 | } |
---|
| 1882 | else |
---|
| 1883 | if (r4==0) |
---|
| 1884 | { |
---|
| 1885 | if(confparams_cpr->errorBoundMode>=PW_REL) |
---|
| 1886 | SZ_compress_args_float_NoCkRngeNoGzip_3D_pwr(&tmpByteData, oriData, realPrecision, r3, r2, r1, &tmpOutSize, min, max); |
---|
| 1887 | else |
---|
| 1888 | #ifdef HAVE_TIMECMPR |
---|
| 1889 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1890 | multisteps->compressionType = SZ_compress_args_float_NoCkRngeNoGzip_3D(&tmpByteData, oriData, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1891 | else |
---|
| 1892 | #endif |
---|
| 1893 | SZ_compress_args_float_NoCkRngeNoGzip_3D(&tmpByteData, oriData, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1894 | } |
---|
| 1895 | else |
---|
| 1896 | if (r5==0) |
---|
| 1897 | { |
---|
| 1898 | if(confparams_cpr->errorBoundMode>=PW_REL) |
---|
| 1899 | SZ_compress_args_float_NoCkRngeNoGzip_3D_pwr(&tmpByteData, oriData, realPrecision, r4*r3, r2, r1, &tmpOutSize, min, max); |
---|
| 1900 | //ToDO |
---|
| 1901 | //SZ_compress_args_float_NoCkRngeNoGzip_4D_pwr(&tmpByteData, oriData, r4, r3, r2, r1, &tmpOutSize, min, max); |
---|
| 1902 | else |
---|
| 1903 | #ifdef HAVE_TIMECMPR |
---|
| 1904 | if(confparams_cpr->szMode == SZ_TEMPORAL_COMPRESSION) |
---|
| 1905 | multisteps->compressionType = SZ_compress_args_float_NoCkRngeNoGzip_4D(&tmpByteData, oriData, r4, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1906 | else |
---|
| 1907 | #endif |
---|
| 1908 | SZ_compress_args_float_NoCkRngeNoGzip_4D(&tmpByteData, oriData, r4, r3, r2, r1, realPrecision, &tmpOutSize, valueRangeSize, medianValue); |
---|
| 1909 | } |
---|
| 1910 | else |
---|
| 1911 | { |
---|
| 1912 | printf("Error: doesn't support 5 dimensions for now.\n"); |
---|
| 1913 | status = SZ_DERR; //dimension error |
---|
| 1914 | } |
---|
| 1915 | //Call Gzip to do the further compression. |
---|
| 1916 | if(confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 1917 | { |
---|
| 1918 | *outSize = tmpOutSize; |
---|
| 1919 | *newByteData = tmpByteData; |
---|
| 1920 | } |
---|
| 1921 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION || confparams_cpr->szMode==SZ_TEMPORAL_COMPRESSION) |
---|
| 1922 | { |
---|
| 1923 | *outSize = zlib_compress5(tmpByteData, tmpOutSize, newByteData, confparams_cpr->gzipMode); |
---|
| 1924 | free(tmpByteData); |
---|
| 1925 | } |
---|
| 1926 | else |
---|
| 1927 | { |
---|
| 1928 | printf("Error: Wrong setting of confparams_cpr->szMode in the float compression.\n"); |
---|
| 1929 | status = SZ_MERR; //mode error |
---|
| 1930 | } |
---|
| 1931 | } |
---|
| 1932 | |
---|
| 1933 | return status; |
---|
| 1934 | } |
---|
| 1935 | |
---|
| 1936 | |
---|
| 1937 | void computeReqLength_float(double realPrecision, short radExpo, int* reqLength, float* medianValue) |
---|
| 1938 | { |
---|
| 1939 | short reqExpo = getPrecisionReqLength_double(realPrecision); |
---|
| 1940 | *reqLength = 9+radExpo - reqExpo; //radExpo-reqExpo == reqMantiLength |
---|
| 1941 | if(*reqLength<9) |
---|
| 1942 | *reqLength = 9; |
---|
| 1943 | if(*reqLength>32) |
---|
| 1944 | { |
---|
| 1945 | *reqLength = 32; |
---|
| 1946 | *medianValue = 0; |
---|
| 1947 | } |
---|
| 1948 | } |
---|
| 1949 | |
---|
| 1950 | //TODO |
---|
| 1951 | int SZ_compress_args_float_subblock(unsigned char* compressedBytes, float *oriData, |
---|
| 1952 | size_t r5, size_t r4, size_t r3, size_t r2, size_t r1, |
---|
| 1953 | size_t s5, size_t s4, size_t s3, size_t s2, size_t s1, |
---|
| 1954 | size_t e5, size_t e4, size_t e3, size_t e2, size_t e1, |
---|
| 1955 | size_t *outSize, int errBoundMode, double absErr_Bound, double relBoundRatio) |
---|
| 1956 | { |
---|
| 1957 | int status = SZ_SCES; |
---|
| 1958 | float valueRangeSize = 0, medianValue = 0; |
---|
| 1959 | computeRangeSize_float_subblock(oriData, &valueRangeSize, &medianValue, r5, r4, r3, r2, r1, s5, s4, s3, s2, s1, e5, e4, e3, e2, e1); |
---|
| 1960 | |
---|
| 1961 | double realPrecision = getRealPrecision_float(valueRangeSize, errBoundMode, absErr_Bound, relBoundRatio, &status); |
---|
| 1962 | |
---|
| 1963 | if(valueRangeSize <= realPrecision) |
---|
| 1964 | { |
---|
| 1965 | //TODO |
---|
| 1966 | //SZ_compress_args_float_withinRange_subblock(); |
---|
| 1967 | } |
---|
| 1968 | else |
---|
| 1969 | { |
---|
| 1970 | if (r2==0) |
---|
| 1971 | { |
---|
| 1972 | if(errBoundMode>=PW_REL) |
---|
| 1973 | { |
---|
| 1974 | //TODO |
---|
| 1975 | //SZ_compress_args_float_NoCkRngeNoGzip_1D_pwr_subblock(); |
---|
| 1976 | printf ("Current subblock version does not support point-wise relative error bound.\n"); |
---|
| 1977 | } |
---|
| 1978 | else |
---|
| 1979 | SZ_compress_args_float_NoCkRnge_1D_subblock(compressedBytes, oriData, realPrecision, outSize, valueRangeSize, medianValue, r1, s1, e1); |
---|
| 1980 | } |
---|
| 1981 | else |
---|
| 1982 | if (r3==0) |
---|
| 1983 | { |
---|
| 1984 | //TODO |
---|
| 1985 | if(errBoundMode>=PW_REL) |
---|
| 1986 | { |
---|
| 1987 | //TODO |
---|
| 1988 | //SZ_compress_args_float_NoCkRngeNoGzip_2D_pwr_subblock(); |
---|
| 1989 | printf ("Current subblock version does not support point-wise relative error bound.\n"); |
---|
| 1990 | } |
---|
| 1991 | else |
---|
| 1992 | SZ_compress_args_float_NoCkRnge_2D_subblock(compressedBytes, oriData, realPrecision, outSize, valueRangeSize, medianValue, r2, r1, s2, s1, e2, e1); |
---|
| 1993 | } |
---|
| 1994 | else |
---|
| 1995 | if (r4==0) |
---|
| 1996 | { |
---|
| 1997 | if(errBoundMode>=PW_REL) |
---|
| 1998 | { |
---|
| 1999 | //TODO |
---|
| 2000 | //SZ_compress_args_float_NoCkRngeNoGzip_3D_pwr_subblock(); |
---|
| 2001 | printf ("Current subblock version does not support point-wise relative error bound.\n"); |
---|
| 2002 | } |
---|
| 2003 | else |
---|
| 2004 | SZ_compress_args_float_NoCkRnge_3D_subblock(compressedBytes, oriData, realPrecision, outSize, valueRangeSize, medianValue, r3, r2, r1, s3, s2, s1, e3, e2, e1); |
---|
| 2005 | } |
---|
| 2006 | else |
---|
| 2007 | if (r5==0) |
---|
| 2008 | { |
---|
| 2009 | if(errBoundMode>=PW_REL) |
---|
| 2010 | { |
---|
| 2011 | //TODO |
---|
| 2012 | //SZ_compress_args_float_NoCkRngeNoGzip_4D_pwr_subblock(); |
---|
| 2013 | printf ("Current subblock version does not support point-wise relative error bound.\n"); |
---|
| 2014 | } |
---|
| 2015 | else |
---|
| 2016 | SZ_compress_args_float_NoCkRnge_4D_subblock(compressedBytes, oriData, realPrecision, outSize, valueRangeSize, medianValue, r4, r3, r2, r1, s4, s3, s2, s1, e4, e3, e2, e1); |
---|
| 2017 | } |
---|
| 2018 | else |
---|
| 2019 | { |
---|
| 2020 | printf("Error: doesn't support 5 dimensions for now.\n"); |
---|
| 2021 | status = SZ_DERR; //dimension error |
---|
| 2022 | } |
---|
| 2023 | } |
---|
| 2024 | return status; |
---|
| 2025 | } |
---|
| 2026 | |
---|
| 2027 | void SZ_compress_args_float_NoCkRnge_1D_subblock(unsigned char* compressedBytes, float *oriData, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f, |
---|
| 2028 | size_t r1, size_t s1, size_t e1) |
---|
| 2029 | { |
---|
| 2030 | TightDataPointStorageF* tdps = SZ_compress_float_1D_MDQ_subblock(oriData, realPrecision, valueRangeSize, medianValue_f, r1, s1, e1); |
---|
| 2031 | |
---|
| 2032 | if (confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 2033 | convertTDPStoFlatBytes_float_args(tdps, compressedBytes, outSize); |
---|
| 2034 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
| 2035 | { |
---|
| 2036 | unsigned char *tmpCompBytes; |
---|
| 2037 | size_t tmpOutSize; |
---|
| 2038 | convertTDPStoFlatBytes_float(tdps, &tmpCompBytes, &tmpOutSize); |
---|
| 2039 | *outSize = zlib_compress3(tmpCompBytes, tmpOutSize, compressedBytes, confparams_cpr->gzipMode); |
---|
| 2040 | free(tmpCompBytes); |
---|
| 2041 | } |
---|
| 2042 | else |
---|
| 2043 | { |
---|
| 2044 | printf ("Error: Wrong setting of confparams_cpr->szMode in the double compression.\n"); |
---|
| 2045 | } |
---|
| 2046 | |
---|
| 2047 | //TODO |
---|
| 2048 | // if(*outSize>dataLength*sizeof(float)) |
---|
| 2049 | // SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 2050 | |
---|
| 2051 | free_TightDataPointStorageF(tdps); |
---|
| 2052 | } |
---|
| 2053 | |
---|
| 2054 | void SZ_compress_args_float_NoCkRnge_2D_subblock(unsigned char* compressedBytes, float *oriData, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f, |
---|
| 2055 | size_t r2, size_t r1, size_t s2, size_t s1, size_t e2, size_t e1) |
---|
| 2056 | { |
---|
| 2057 | TightDataPointStorageF* tdps = SZ_compress_float_2D_MDQ_subblock(oriData, realPrecision, valueRangeSize, medianValue_f, r2, r1, s2, s1, e2, e1); |
---|
| 2058 | |
---|
| 2059 | if (confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 2060 | convertTDPStoFlatBytes_float_args(tdps, compressedBytes, outSize); |
---|
| 2061 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
| 2062 | { |
---|
| 2063 | unsigned char *tmpCompBytes; |
---|
| 2064 | size_t tmpOutSize; |
---|
| 2065 | convertTDPStoFlatBytes_float(tdps, &tmpCompBytes, &tmpOutSize); |
---|
| 2066 | *outSize = zlib_compress3(tmpCompBytes, tmpOutSize, compressedBytes, confparams_cpr->gzipMode); |
---|
| 2067 | free(tmpCompBytes); |
---|
| 2068 | } |
---|
| 2069 | else |
---|
| 2070 | { |
---|
| 2071 | printf ("Error: Wrong setting of confparams_cpr->szMode in the double compression.\n"); |
---|
| 2072 | } |
---|
| 2073 | |
---|
| 2074 | //TODO |
---|
| 2075 | // if(*outSize>dataLength*sizeof(float)) |
---|
| 2076 | // SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 2077 | |
---|
| 2078 | free_TightDataPointStorageF(tdps); |
---|
| 2079 | } |
---|
| 2080 | |
---|
| 2081 | void SZ_compress_args_float_NoCkRnge_3D_subblock(unsigned char* compressedBytes, float *oriData, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f, |
---|
| 2082 | size_t r3, size_t r2, size_t r1, size_t s3, size_t s2, size_t s1, size_t e3, size_t e2, size_t e1) |
---|
| 2083 | { |
---|
| 2084 | TightDataPointStorageF* tdps = SZ_compress_float_3D_MDQ_subblock(oriData, realPrecision, valueRangeSize, medianValue_f, r3, r2, r1, s3, s2, s1, e3, e2, e1); |
---|
| 2085 | |
---|
| 2086 | if (confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 2087 | convertTDPStoFlatBytes_float_args(tdps, compressedBytes, outSize); |
---|
| 2088 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
| 2089 | { |
---|
| 2090 | unsigned char *tmpCompBytes; |
---|
| 2091 | size_t tmpOutSize; |
---|
| 2092 | convertTDPStoFlatBytes_float(tdps, &tmpCompBytes, &tmpOutSize); |
---|
| 2093 | *outSize = zlib_compress3(tmpCompBytes, tmpOutSize, compressedBytes, confparams_cpr->gzipMode); |
---|
| 2094 | free(tmpCompBytes); |
---|
| 2095 | } |
---|
| 2096 | else |
---|
| 2097 | { |
---|
| 2098 | printf ("Error: Wrong setting of confparams_cpr->szMode in the double compression.\n"); |
---|
| 2099 | } |
---|
| 2100 | |
---|
| 2101 | //TODO |
---|
| 2102 | // if(*outSize>dataLength*sizeof(float)) |
---|
| 2103 | // SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 2104 | |
---|
| 2105 | free_TightDataPointStorageF(tdps); |
---|
| 2106 | } |
---|
| 2107 | |
---|
| 2108 | void SZ_compress_args_float_NoCkRnge_4D_subblock(unsigned char* compressedBytes, float *oriData, double realPrecision, size_t *outSize, float valueRangeSize, float medianValue_f, |
---|
| 2109 | size_t r4, size_t r3, size_t r2, size_t r1, size_t s4, size_t s3, size_t s2, size_t s1, size_t e4, size_t e3, size_t e2, size_t e1) |
---|
| 2110 | { |
---|
| 2111 | TightDataPointStorageF* tdps = SZ_compress_float_4D_MDQ_subblock(oriData, realPrecision, valueRangeSize, medianValue_f, r4, r3, r2, r1, s4, s3, s2, s1, e4, e3, e2, e1); |
---|
| 2112 | |
---|
| 2113 | if (confparams_cpr->szMode==SZ_BEST_SPEED) |
---|
| 2114 | convertTDPStoFlatBytes_float_args(tdps, compressedBytes, outSize); |
---|
| 2115 | else if(confparams_cpr->szMode==SZ_BEST_COMPRESSION || confparams_cpr->szMode==SZ_DEFAULT_COMPRESSION) |
---|
| 2116 | { |
---|
| 2117 | unsigned char *tmpCompBytes; |
---|
| 2118 | size_t tmpOutSize; |
---|
| 2119 | convertTDPStoFlatBytes_float(tdps, &tmpCompBytes, &tmpOutSize); |
---|
| 2120 | *outSize = zlib_compress3(tmpCompBytes, tmpOutSize, compressedBytes, confparams_cpr->gzipMode); |
---|
| 2121 | free(tmpCompBytes); |
---|
| 2122 | } |
---|
| 2123 | else |
---|
| 2124 | { |
---|
| 2125 | printf ("Error: Wrong setting of confparams_cpr->szMode in the double compression.\n"); |
---|
| 2126 | } |
---|
| 2127 | |
---|
| 2128 | //TODO |
---|
| 2129 | // if(*outSize>dataLength*sizeof(float)) |
---|
| 2130 | // SZ_compress_args_float_StoreOriData(oriData, dataLength, tdps, newByteData, outSize); |
---|
| 2131 | |
---|
| 2132 | free_TightDataPointStorageF(tdps); |
---|
| 2133 | |
---|
| 2134 | } |
---|
| 2135 | |
---|
| 2136 | unsigned int optimize_intervals_float_1D_subblock(float *oriData, double realPrecision, size_t r1, size_t s1, size_t e1) |
---|
| 2137 | { |
---|
| 2138 | size_t dataLength = e1 - s1 + 1; |
---|
| 2139 | oriData = oriData + s1; |
---|
| 2140 | |
---|
| 2141 | size_t i = 0; |
---|
| 2142 | unsigned long radiusIndex; |
---|
| 2143 | float pred_value = 0, pred_err; |
---|
| 2144 | int *intervals = (int*)malloc(confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2145 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2146 | size_t totalSampleSize = dataLength/confparams_cpr->sampleDistance; |
---|
| 2147 | for(i=2;i<dataLength;i++) |
---|
| 2148 | { |
---|
| 2149 | if(i%confparams_cpr->sampleDistance==0) |
---|
| 2150 | { |
---|
| 2151 | pred_value = 2*oriData[i-1] - oriData[i-2]; |
---|
| 2152 | //pred_value = oriData[i-1]; |
---|
| 2153 | pred_err = fabs(pred_value - oriData[i]); |
---|
| 2154 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 2155 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 2156 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 2157 | intervals[radiusIndex]++; |
---|
| 2158 | } |
---|
| 2159 | } |
---|
| 2160 | //compute the appropriate number |
---|
| 2161 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 2162 | size_t sum = 0; |
---|
| 2163 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 2164 | { |
---|
| 2165 | sum += intervals[i]; |
---|
| 2166 | if(sum>targetCount) |
---|
| 2167 | break; |
---|
| 2168 | } |
---|
| 2169 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 2170 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 2171 | |
---|
| 2172 | unsigned int accIntervals = 2*(i+1); |
---|
| 2173 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 2174 | |
---|
| 2175 | if(powerOf2<32) |
---|
| 2176 | powerOf2 = 32; |
---|
| 2177 | |
---|
| 2178 | free(intervals); |
---|
| 2179 | //printf("accIntervals=%d, powerOf2=%d\n", accIntervals, powerOf2); |
---|
| 2180 | return powerOf2; |
---|
| 2181 | } |
---|
| 2182 | |
---|
| 2183 | unsigned int optimize_intervals_float_2D_subblock(float *oriData, double realPrecision, size_t r1, size_t r2, size_t s1, size_t s2, size_t e1, size_t e2) |
---|
| 2184 | { |
---|
| 2185 | size_t R1 = e1 - s1 + 1; |
---|
| 2186 | size_t R2 = e2 - s2 + 1; |
---|
| 2187 | |
---|
| 2188 | size_t i,j, index; |
---|
| 2189 | unsigned long radiusIndex; |
---|
| 2190 | float pred_value = 0, pred_err; |
---|
| 2191 | int *intervals = (int*)malloc(confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2192 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2193 | size_t totalSampleSize = R1*R2/confparams_cpr->sampleDistance; |
---|
| 2194 | for(i=s1+1;i<=e1;i++) |
---|
| 2195 | { |
---|
| 2196 | for(j=s2+1;j<=e2;j++) |
---|
| 2197 | { |
---|
| 2198 | if((i+j)%confparams_cpr->sampleDistance==0) |
---|
| 2199 | { |
---|
| 2200 | index = i*r2+j; |
---|
| 2201 | pred_value = oriData[index-1] + oriData[index-r2] - oriData[index-r2-1]; |
---|
| 2202 | pred_err = fabs(pred_value - oriData[index]); |
---|
| 2203 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 2204 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 2205 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 2206 | intervals[radiusIndex]++; |
---|
| 2207 | } |
---|
| 2208 | } |
---|
| 2209 | } |
---|
| 2210 | //compute the appropriate number |
---|
| 2211 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 2212 | size_t sum = 0; |
---|
| 2213 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 2214 | { |
---|
| 2215 | sum += intervals[i]; |
---|
| 2216 | if(sum>targetCount) |
---|
| 2217 | break; |
---|
| 2218 | } |
---|
| 2219 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 2220 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 2221 | unsigned int accIntervals = 2*(i+1); |
---|
| 2222 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 2223 | |
---|
| 2224 | if(powerOf2<32) |
---|
| 2225 | powerOf2 = 32; |
---|
| 2226 | |
---|
| 2227 | free(intervals); |
---|
| 2228 | //printf("confparams_cpr->maxRangeRadius = %d, accIntervals=%d, powerOf2=%d\n", confparams_cpr->maxRangeRadius, accIntervals, powerOf2); |
---|
| 2229 | return powerOf2; |
---|
| 2230 | } |
---|
| 2231 | |
---|
| 2232 | unsigned int optimize_intervals_float_3D_subblock(float *oriData, double realPrecision, size_t r1, size_t r2, size_t r3, size_t s1, size_t s2, size_t s3, size_t e1, size_t e2, size_t e3) |
---|
| 2233 | { |
---|
| 2234 | size_t R1 = e1 - s1 + 1; |
---|
| 2235 | size_t R2 = e2 - s2 + 1; |
---|
| 2236 | size_t R3 = e3 - s3 + 1; |
---|
| 2237 | |
---|
| 2238 | size_t r23 = r2*r3; |
---|
| 2239 | |
---|
| 2240 | size_t i,j,k, index; |
---|
| 2241 | unsigned long radiusIndex; |
---|
| 2242 | float pred_value = 0, pred_err; |
---|
| 2243 | int *intervals = (int*)malloc(confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2244 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2245 | size_t totalSampleSize = R1*R2*R3/confparams_cpr->sampleDistance; |
---|
| 2246 | for(i=s1+1;i<=e1;i++) |
---|
| 2247 | { |
---|
| 2248 | for(j=s2+1;j<=e2;j++) |
---|
| 2249 | { |
---|
| 2250 | for(k=s3+1;k<=e3;k++) |
---|
| 2251 | { |
---|
| 2252 | if((i+j+k)%confparams_cpr->sampleDistance==0) |
---|
| 2253 | { |
---|
| 2254 | index = i*r23+j*r3+k; |
---|
| 2255 | pred_value = oriData[index-1] + oriData[index-r3] + oriData[index-r23] |
---|
| 2256 | - oriData[index-1-r23] - oriData[index-r3-1] - oriData[index-r3-r23] + oriData[index-r3-r23-1]; |
---|
| 2257 | pred_err = fabs(pred_value - oriData[index]); |
---|
| 2258 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 2259 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 2260 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 2261 | intervals[radiusIndex]++; |
---|
| 2262 | } |
---|
| 2263 | } |
---|
| 2264 | } |
---|
| 2265 | } |
---|
| 2266 | //compute the appropriate number |
---|
| 2267 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 2268 | size_t sum = 0; |
---|
| 2269 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 2270 | { |
---|
| 2271 | sum += intervals[i]; |
---|
| 2272 | if(sum>targetCount) |
---|
| 2273 | break; |
---|
| 2274 | } |
---|
| 2275 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 2276 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 2277 | unsigned int accIntervals = 2*(i+1); |
---|
| 2278 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 2279 | |
---|
| 2280 | if(powerOf2<32) |
---|
| 2281 | powerOf2 = 32; |
---|
| 2282 | |
---|
| 2283 | free(intervals); |
---|
| 2284 | return powerOf2; |
---|
| 2285 | } |
---|
| 2286 | |
---|
| 2287 | unsigned int optimize_intervals_float_4D_subblock(float *oriData, double realPrecision, |
---|
| 2288 | size_t r1, size_t r2, size_t r3, size_t r4, size_t s1, size_t s2, size_t s3, size_t s4, size_t e1, size_t e2, size_t e3, size_t e4) |
---|
| 2289 | { |
---|
| 2290 | size_t R1 = e1 - s1 + 1; |
---|
| 2291 | size_t R2 = e2 - s2 + 1; |
---|
| 2292 | size_t R3 = e3 - s3 + 1; |
---|
| 2293 | size_t R4 = e4 - s4 + 1; |
---|
| 2294 | |
---|
| 2295 | size_t r34 = r3*r4; |
---|
| 2296 | size_t r234 = r2*r3*r4; |
---|
| 2297 | |
---|
| 2298 | size_t i,j,k,l, index; |
---|
| 2299 | unsigned long radiusIndex; |
---|
| 2300 | float pred_value = 0, pred_err; |
---|
| 2301 | int *intervals = (int*)malloc(confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2302 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(int)); |
---|
| 2303 | size_t totalSampleSize = R1*R2*R3*R4/confparams_cpr->sampleDistance; |
---|
| 2304 | for(i=s1+1;i<=e1;i++) |
---|
| 2305 | { |
---|
| 2306 | for(j=s2+1;j<=e2;j++) |
---|
| 2307 | { |
---|
| 2308 | for(k=s3+1;k<=e3;k++) |
---|
| 2309 | { |
---|
| 2310 | for (l=s4+1;l<=e4;l++) |
---|
| 2311 | { |
---|
| 2312 | if((i+j+k+l)%confparams_cpr->sampleDistance==0) |
---|
| 2313 | { |
---|
| 2314 | index = i*r234+j*r34+k*r4+l; |
---|
| 2315 | pred_value = oriData[index-1] + oriData[index-r4] + oriData[index-r34] |
---|
| 2316 | - oriData[index-1-r34] - oriData[index-r4-1] - oriData[index-r4-r34] + oriData[index-r4-r34-1]; |
---|
| 2317 | pred_err = fabs(pred_value - oriData[index]); |
---|
| 2318 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 2319 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 2320 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 2321 | intervals[radiusIndex]++; |
---|
| 2322 | } |
---|
| 2323 | } |
---|
| 2324 | } |
---|
| 2325 | } |
---|
| 2326 | } |
---|
| 2327 | //compute the appropriate number |
---|
| 2328 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 2329 | size_t sum = 0; |
---|
| 2330 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 2331 | { |
---|
| 2332 | sum += intervals[i]; |
---|
| 2333 | if(sum>targetCount) |
---|
| 2334 | break; |
---|
| 2335 | } |
---|
| 2336 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 2337 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 2338 | |
---|
| 2339 | unsigned int accIntervals = 2*(i+1); |
---|
| 2340 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 2341 | |
---|
| 2342 | if(powerOf2<32) |
---|
| 2343 | powerOf2 = 32; |
---|
| 2344 | |
---|
| 2345 | free(intervals); |
---|
| 2346 | return powerOf2; |
---|
| 2347 | } |
---|
| 2348 | |
---|
| 2349 | TightDataPointStorageF* SZ_compress_float_1D_MDQ_subblock(float *oriData, double realPrecision, float valueRangeSize, float medianValue_f, |
---|
| 2350 | size_t r1, size_t s1, size_t e1) |
---|
| 2351 | { |
---|
| 2352 | size_t dataLength = e1 - s1 + 1; |
---|
| 2353 | unsigned int quantization_intervals; |
---|
| 2354 | if(exe_params->optQuantMode==1) |
---|
| 2355 | quantization_intervals = optimize_intervals_float_1D_subblock(oriData, realPrecision, r1, s1, e1); |
---|
| 2356 | else |
---|
| 2357 | quantization_intervals = exe_params->intvCapacity; |
---|
| 2358 | updateQuantizationInfo(quantization_intervals); |
---|
| 2359 | |
---|
| 2360 | size_t i; |
---|
| 2361 | int reqLength; |
---|
| 2362 | float medianValue = medianValue_f; |
---|
| 2363 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 2364 | |
---|
| 2365 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 2366 | |
---|
| 2367 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 2368 | |
---|
| 2369 | float* spaceFillingValue = oriData + s1; |
---|
| 2370 | |
---|
| 2371 | DynamicIntArray *exactLeadNumArray; |
---|
| 2372 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 2373 | |
---|
| 2374 | DynamicByteArray *exactMidByteArray; |
---|
| 2375 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 2376 | |
---|
| 2377 | DynamicIntArray *resiBitArray; |
---|
| 2378 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 2379 | |
---|
| 2380 | type[0] = 0; |
---|
| 2381 | |
---|
| 2382 | unsigned char preDataBytes[4]; |
---|
| 2383 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 2384 | |
---|
| 2385 | int reqBytesLength = reqLength/8; |
---|
| 2386 | int resiBitsLength = reqLength%8; |
---|
| 2387 | float last3CmprsData[3] = {0}; |
---|
| 2388 | |
---|
| 2389 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 2390 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 2391 | |
---|
| 2392 | //add the first data |
---|
| 2393 | compressSingleFloatValue(vce, spaceFillingValue[0], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2394 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2395 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2396 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2397 | listAdd_float(last3CmprsData, vce->data); |
---|
| 2398 | |
---|
| 2399 | //add the second data |
---|
| 2400 | type[1] = 0; |
---|
| 2401 | compressSingleFloatValue(vce, spaceFillingValue[1], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2402 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2403 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2404 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2405 | listAdd_float(last3CmprsData, vce->data); |
---|
| 2406 | |
---|
| 2407 | int state; |
---|
| 2408 | double checkRadius; |
---|
| 2409 | float curData; |
---|
| 2410 | float pred; |
---|
| 2411 | float predAbsErr; |
---|
| 2412 | checkRadius = (exe_params->intvCapacity-1)*realPrecision; |
---|
| 2413 | double interval = 2*realPrecision; |
---|
| 2414 | |
---|
| 2415 | for(i=2;i<dataLength;i++) |
---|
| 2416 | { |
---|
| 2417 | curData = spaceFillingValue[i]; |
---|
| 2418 | pred = 2*last3CmprsData[0] - last3CmprsData[1]; |
---|
| 2419 | predAbsErr = fabs(curData - pred); |
---|
| 2420 | if(predAbsErr<=checkRadius) |
---|
| 2421 | { |
---|
| 2422 | state = (predAbsErr/realPrecision+1)/2; |
---|
| 2423 | if(curData>=pred) |
---|
| 2424 | { |
---|
| 2425 | type[i] = exe_params->intvRadius+state; |
---|
| 2426 | pred = pred + state*interval; |
---|
| 2427 | } |
---|
| 2428 | else |
---|
| 2429 | { |
---|
| 2430 | type[i] = exe_params->intvRadius-state; |
---|
| 2431 | pred = pred - state*interval; |
---|
| 2432 | } |
---|
| 2433 | |
---|
| 2434 | listAdd_float(last3CmprsData, pred); |
---|
| 2435 | continue; |
---|
| 2436 | } |
---|
| 2437 | |
---|
| 2438 | //unpredictable data processing |
---|
| 2439 | type[i] = 0; |
---|
| 2440 | compressSingleFloatValue(vce, curData, realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2441 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2442 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2443 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2444 | |
---|
| 2445 | listAdd_float(last3CmprsData, vce->data); |
---|
| 2446 | } |
---|
| 2447 | |
---|
| 2448 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 2449 | |
---|
| 2450 | TightDataPointStorageF* tdps; |
---|
| 2451 | |
---|
| 2452 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 2453 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 2454 | exactLeadNumArray->array, |
---|
| 2455 | resiBitArray->array, resiBitArray->size, |
---|
| 2456 | resiBitsLength, |
---|
| 2457 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 2458 | |
---|
| 2459 | //free memory |
---|
| 2460 | free_DIA(exactLeadNumArray); |
---|
| 2461 | free_DIA(resiBitArray); |
---|
| 2462 | free(type); |
---|
| 2463 | free(vce); |
---|
| 2464 | free(lce); |
---|
| 2465 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 2466 | |
---|
| 2467 | return tdps; |
---|
| 2468 | } |
---|
| 2469 | |
---|
| 2470 | TightDataPointStorageF* SZ_compress_float_2D_MDQ_subblock(float *oriData, double realPrecision, float valueRangeSize, float medianValue_f, |
---|
| 2471 | size_t r1, size_t r2, size_t s1, size_t s2, size_t e1, size_t e2) |
---|
| 2472 | { |
---|
| 2473 | unsigned int quantization_intervals; |
---|
| 2474 | if(exe_params->optQuantMode==1) |
---|
| 2475 | { |
---|
| 2476 | quantization_intervals = optimize_intervals_float_2D_subblock(oriData, realPrecision, r1, r2, s1, s2, e1, e2); |
---|
| 2477 | updateQuantizationInfo(quantization_intervals); |
---|
| 2478 | } |
---|
| 2479 | else |
---|
| 2480 | quantization_intervals = exe_params->intvCapacity; |
---|
| 2481 | |
---|
| 2482 | size_t i,j; |
---|
| 2483 | int reqLength; |
---|
| 2484 | float pred1D, pred2D; |
---|
| 2485 | float diff = 0.0; |
---|
| 2486 | double itvNum = 0; |
---|
| 2487 | float *P0, *P1; |
---|
| 2488 | |
---|
| 2489 | size_t R1 = e1 - s1 + 1; |
---|
| 2490 | size_t R2 = e2 - s2 + 1; |
---|
| 2491 | size_t dataLength = R1*R2; |
---|
| 2492 | |
---|
| 2493 | P0 = (float*)malloc(R2*sizeof(float)); |
---|
| 2494 | memset(P0, 0, R2*sizeof(float)); |
---|
| 2495 | P1 = (float*)malloc(R2*sizeof(float)); |
---|
| 2496 | memset(P1, 0, R2*sizeof(float)); |
---|
| 2497 | |
---|
| 2498 | float medianValue = medianValue_f; |
---|
| 2499 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 2500 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 2501 | |
---|
| 2502 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 2503 | |
---|
| 2504 | float* spaceFillingValue = oriData; // |
---|
| 2505 | |
---|
| 2506 | DynamicIntArray *exactLeadNumArray; |
---|
| 2507 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 2508 | |
---|
| 2509 | DynamicByteArray *exactMidByteArray; |
---|
| 2510 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 2511 | |
---|
| 2512 | DynamicIntArray *resiBitArray; |
---|
| 2513 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 2514 | |
---|
| 2515 | unsigned char preDataBytes[4]; |
---|
| 2516 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 2517 | |
---|
| 2518 | int reqBytesLength = reqLength/8; |
---|
| 2519 | int resiBitsLength = reqLength%8; |
---|
| 2520 | |
---|
| 2521 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 2522 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 2523 | |
---|
| 2524 | /* Process Row-s1 data s2*/ |
---|
| 2525 | size_t gIndex; |
---|
| 2526 | size_t lIndex; |
---|
| 2527 | |
---|
| 2528 | gIndex = s1*r2+s2; |
---|
| 2529 | lIndex = 0; |
---|
| 2530 | |
---|
| 2531 | type[lIndex] = 0; |
---|
| 2532 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2533 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2534 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2535 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2536 | P1[0] = vce->data; |
---|
| 2537 | |
---|
| 2538 | /* Process Row-s1 data s2+1*/ |
---|
| 2539 | gIndex = s1*r2+(s2+1); |
---|
| 2540 | lIndex = 1; |
---|
| 2541 | |
---|
| 2542 | pred1D = P1[0]; |
---|
| 2543 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2544 | |
---|
| 2545 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2546 | |
---|
| 2547 | if (itvNum < exe_params->intvCapacity) |
---|
| 2548 | { |
---|
| 2549 | if (diff < 0) itvNum = -itvNum; |
---|
| 2550 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2551 | P1[1] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2552 | } |
---|
| 2553 | else |
---|
| 2554 | { |
---|
| 2555 | type[lIndex] = 0; |
---|
| 2556 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2557 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2558 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2559 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2560 | P1[1] = vce->data; |
---|
| 2561 | } |
---|
| 2562 | |
---|
| 2563 | /* Process Row-s1 data s2+2 --> data e2 */ |
---|
| 2564 | for (j = 2; j < R2; j++) |
---|
| 2565 | { |
---|
| 2566 | gIndex = s1*r2+(s2+j); |
---|
| 2567 | lIndex = j; |
---|
| 2568 | |
---|
| 2569 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 2570 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2571 | |
---|
| 2572 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2573 | |
---|
| 2574 | if (itvNum < exe_params->intvCapacity) |
---|
| 2575 | { |
---|
| 2576 | if (diff < 0) itvNum = -itvNum; |
---|
| 2577 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2578 | P1[j] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2579 | } |
---|
| 2580 | else |
---|
| 2581 | { |
---|
| 2582 | type[lIndex] = 0; |
---|
| 2583 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2584 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2585 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2586 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2587 | P1[j] = vce->data; |
---|
| 2588 | } |
---|
| 2589 | } |
---|
| 2590 | |
---|
| 2591 | /* Process Row-s1+1 --> Row-e1 */ |
---|
| 2592 | for (i = 1; i < R1; i++) |
---|
| 2593 | { |
---|
| 2594 | /* Process row-s1+i data s2 */ |
---|
| 2595 | gIndex = (s1+i)*r2+s2; |
---|
| 2596 | lIndex = i*R2; |
---|
| 2597 | |
---|
| 2598 | pred1D = P1[0]; |
---|
| 2599 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2600 | |
---|
| 2601 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2602 | |
---|
| 2603 | if (itvNum < exe_params->intvCapacity) |
---|
| 2604 | { |
---|
| 2605 | if (diff < 0) itvNum = -itvNum; |
---|
| 2606 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2607 | P0[0] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2608 | } |
---|
| 2609 | else |
---|
| 2610 | { |
---|
| 2611 | type[lIndex] = 0; |
---|
| 2612 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2613 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2614 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2615 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2616 | P0[0] = vce->data; |
---|
| 2617 | } |
---|
| 2618 | |
---|
| 2619 | /* Process row-s1+i data s2+1 --> e2 */ |
---|
| 2620 | for (j = 1; j < R2; j++) |
---|
| 2621 | { |
---|
| 2622 | gIndex = (s1+i)*r2+(s2+j); |
---|
| 2623 | lIndex = i*R2+j; |
---|
| 2624 | |
---|
| 2625 | // printf ("global index = %d, local index = %d\n", gIndex, lIndex); |
---|
| 2626 | |
---|
| 2627 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 2628 | |
---|
| 2629 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 2630 | |
---|
| 2631 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2632 | |
---|
| 2633 | if (itvNum < exe_params->intvCapacity) |
---|
| 2634 | { |
---|
| 2635 | if (diff < 0) itvNum = -itvNum; |
---|
| 2636 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2637 | P0[j] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2638 | } |
---|
| 2639 | else |
---|
| 2640 | { |
---|
| 2641 | type[lIndex] = 0; |
---|
| 2642 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2643 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2644 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2645 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2646 | P0[j] = vce->data; |
---|
| 2647 | } |
---|
| 2648 | } |
---|
| 2649 | |
---|
| 2650 | float *Pt; |
---|
| 2651 | Pt = P1; |
---|
| 2652 | P1 = P0; |
---|
| 2653 | P0 = Pt; |
---|
| 2654 | } |
---|
| 2655 | |
---|
| 2656 | free(P0); |
---|
| 2657 | free(P1); |
---|
| 2658 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 2659 | |
---|
| 2660 | TightDataPointStorageF* tdps; |
---|
| 2661 | |
---|
| 2662 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 2663 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 2664 | exactLeadNumArray->array, |
---|
| 2665 | resiBitArray->array, resiBitArray->size, |
---|
| 2666 | resiBitsLength, |
---|
| 2667 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 2668 | |
---|
| 2669 | //free memory |
---|
| 2670 | free_DIA(exactLeadNumArray); |
---|
| 2671 | free_DIA(resiBitArray); |
---|
| 2672 | free(type); |
---|
| 2673 | free(vce); |
---|
| 2674 | free(lce); |
---|
| 2675 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 2676 | |
---|
| 2677 | return tdps; |
---|
| 2678 | } |
---|
| 2679 | |
---|
| 2680 | TightDataPointStorageF* SZ_compress_float_3D_MDQ_subblock(float *oriData, double realPrecision, float valueRangeSize, float medianValue_f, |
---|
| 2681 | size_t r1, size_t r2, size_t r3, size_t s1, size_t s2, size_t s3, size_t e1, size_t e2, size_t e3) |
---|
| 2682 | { |
---|
| 2683 | unsigned int quantization_intervals; |
---|
| 2684 | if(exe_params->optQuantMode==1) |
---|
| 2685 | { |
---|
| 2686 | quantization_intervals = optimize_intervals_float_3D_subblock(oriData, realPrecision, r1, r2, r3, s1, s2, s3, e1, e2, e3); |
---|
| 2687 | updateQuantizationInfo(quantization_intervals); |
---|
| 2688 | } |
---|
| 2689 | else |
---|
| 2690 | quantization_intervals = exe_params->intvCapacity; |
---|
| 2691 | |
---|
| 2692 | size_t i,j,k; |
---|
| 2693 | int reqLength; |
---|
| 2694 | float pred1D, pred2D, pred3D; |
---|
| 2695 | float diff = 0.0; |
---|
| 2696 | double itvNum = 0; |
---|
| 2697 | float *P0, *P1; |
---|
| 2698 | |
---|
| 2699 | size_t R1 = e1 - s1 + 1; |
---|
| 2700 | size_t R2 = e2 - s2 + 1; |
---|
| 2701 | size_t R3 = e3 - s3 + 1; |
---|
| 2702 | size_t dataLength = R1*R2*R3; |
---|
| 2703 | |
---|
| 2704 | size_t r23 = r2*r3; |
---|
| 2705 | size_t R23 = R2*R3; |
---|
| 2706 | |
---|
| 2707 | P0 = (float*)malloc(R23*sizeof(float)); |
---|
| 2708 | P1 = (float*)malloc(R23*sizeof(float)); |
---|
| 2709 | |
---|
| 2710 | float medianValue = medianValue_f; |
---|
| 2711 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 2712 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 2713 | |
---|
| 2714 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 2715 | //type[dataLength]=0; |
---|
| 2716 | |
---|
| 2717 | float* spaceFillingValue = oriData; // |
---|
| 2718 | |
---|
| 2719 | DynamicIntArray *exactLeadNumArray; |
---|
| 2720 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 2721 | |
---|
| 2722 | DynamicByteArray *exactMidByteArray; |
---|
| 2723 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 2724 | |
---|
| 2725 | DynamicIntArray *resiBitArray; |
---|
| 2726 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 2727 | |
---|
| 2728 | unsigned char preDataBytes[4]; |
---|
| 2729 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 2730 | |
---|
| 2731 | int reqBytesLength = reqLength/8; |
---|
| 2732 | int resiBitsLength = reqLength%8; |
---|
| 2733 | |
---|
| 2734 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 2735 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 2736 | |
---|
| 2737 | |
---|
| 2738 | /////////////////////////// Process layer-s1 /////////////////////////// |
---|
| 2739 | /* Process Row-s2 data s3*/ |
---|
| 2740 | size_t gIndex; //global index |
---|
| 2741 | size_t lIndex; //local index |
---|
| 2742 | size_t index2D; //local 2D index |
---|
| 2743 | |
---|
| 2744 | gIndex = s1*r23+s2*r3+s3; |
---|
| 2745 | lIndex = 0; |
---|
| 2746 | index2D = 0; |
---|
| 2747 | |
---|
| 2748 | type[lIndex] = 0; |
---|
| 2749 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2750 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2751 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2752 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2753 | P1[index2D] = vce->data; |
---|
| 2754 | |
---|
| 2755 | /* Process Row-s2 data s3+1*/ |
---|
| 2756 | gIndex = s1*r23+s2*r3+s3+1; |
---|
| 2757 | lIndex = 1; |
---|
| 2758 | index2D = 1; |
---|
| 2759 | |
---|
| 2760 | pred1D = P1[index2D-1]; |
---|
| 2761 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2762 | |
---|
| 2763 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2764 | |
---|
| 2765 | if (itvNum < exe_params->intvCapacity) |
---|
| 2766 | { |
---|
| 2767 | if (diff < 0) itvNum = -itvNum; |
---|
| 2768 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2769 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2770 | } |
---|
| 2771 | else |
---|
| 2772 | { |
---|
| 2773 | type[lIndex] = 0; |
---|
| 2774 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2775 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2776 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2777 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2778 | P1[index2D] = vce->data; |
---|
| 2779 | } |
---|
| 2780 | |
---|
| 2781 | /* Process Row-s2 data s3+2 --> data e3 */ |
---|
| 2782 | for (j = 2; j < R3; j++) |
---|
| 2783 | { |
---|
| 2784 | gIndex = s1*r23+s2*r3+s3+j; |
---|
| 2785 | lIndex = j; |
---|
| 2786 | index2D = j; |
---|
| 2787 | |
---|
| 2788 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
| 2789 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2790 | |
---|
| 2791 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2792 | |
---|
| 2793 | if (itvNum < exe_params->intvCapacity) |
---|
| 2794 | { |
---|
| 2795 | if (diff < 0) itvNum = -itvNum; |
---|
| 2796 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2797 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2798 | } |
---|
| 2799 | else |
---|
| 2800 | { |
---|
| 2801 | type[lIndex] = 0; |
---|
| 2802 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2803 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2804 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2805 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2806 | P1[index2D] = vce->data; |
---|
| 2807 | } |
---|
| 2808 | } |
---|
| 2809 | |
---|
| 2810 | /* Process Row-s2+1 --> Row-e2 */ |
---|
| 2811 | for (i = 1; i < R2; i++) |
---|
| 2812 | { |
---|
| 2813 | /* Process row-s2+i data s3 */ |
---|
| 2814 | gIndex = s1*r23+(s2+i)*r3+s3; |
---|
| 2815 | lIndex = i*R3; |
---|
| 2816 | index2D = i*R3; |
---|
| 2817 | |
---|
| 2818 | pred1D = P1[index2D-R3]; |
---|
| 2819 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2820 | |
---|
| 2821 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2822 | |
---|
| 2823 | if (itvNum < exe_params->intvCapacity) |
---|
| 2824 | { |
---|
| 2825 | if (diff < 0) itvNum = -itvNum; |
---|
| 2826 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2827 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2828 | } |
---|
| 2829 | else |
---|
| 2830 | { |
---|
| 2831 | type[lIndex] = 0; |
---|
| 2832 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2833 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2834 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2835 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2836 | P1[index2D] = vce->data; |
---|
| 2837 | } |
---|
| 2838 | |
---|
| 2839 | /* Process row-s2+i data s3+1 --> data e3*/ |
---|
| 2840 | for (j = 1; j < R3; j++) |
---|
| 2841 | { |
---|
| 2842 | gIndex = s1*r23+(s2+i)*r3+s3+j; |
---|
| 2843 | lIndex = i*R3+j; |
---|
| 2844 | index2D = i*R3+j; |
---|
| 2845 | |
---|
| 2846 | pred2D = P1[index2D-1] + P1[index2D-R3] - P1[index2D-R3-1]; |
---|
| 2847 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 2848 | |
---|
| 2849 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2850 | |
---|
| 2851 | if (itvNum < exe_params->intvCapacity) |
---|
| 2852 | { |
---|
| 2853 | if (diff < 0) itvNum = -itvNum; |
---|
| 2854 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2855 | P1[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2856 | } |
---|
| 2857 | else |
---|
| 2858 | { |
---|
| 2859 | type[lIndex] = 0; |
---|
| 2860 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2861 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2862 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2863 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2864 | P1[index2D] = vce->data; |
---|
| 2865 | } |
---|
| 2866 | } |
---|
| 2867 | } |
---|
| 2868 | |
---|
| 2869 | |
---|
| 2870 | /////////////////////////// Process layer-s1+1 --> layer-e1 /////////////////////////// |
---|
| 2871 | |
---|
| 2872 | for (k = 1; k < R1; k++) |
---|
| 2873 | { |
---|
| 2874 | /* Process Row-s2 data s3*/ |
---|
| 2875 | gIndex = (s1+k)*r23+s2*r3+s3; |
---|
| 2876 | lIndex = k*R23; |
---|
| 2877 | index2D = 0; |
---|
| 2878 | |
---|
| 2879 | pred1D = P1[index2D]; |
---|
| 2880 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 2881 | |
---|
| 2882 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2883 | |
---|
| 2884 | if (itvNum < exe_params->intvCapacity) |
---|
| 2885 | { |
---|
| 2886 | if (diff < 0) itvNum = -itvNum; |
---|
| 2887 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2888 | P0[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2889 | } |
---|
| 2890 | else |
---|
| 2891 | { |
---|
| 2892 | type[lIndex] = 0; |
---|
| 2893 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2894 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2895 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2896 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2897 | P0[index2D] = vce->data; |
---|
| 2898 | } |
---|
| 2899 | |
---|
| 2900 | /* Process Row-s2 data s3+1 --> data e3 */ |
---|
| 2901 | for (j = 1; j < R3; j++) |
---|
| 2902 | { |
---|
| 2903 | gIndex = (s1+k)*r23+s2*r3+s3+j; |
---|
| 2904 | lIndex = k*R23+j; |
---|
| 2905 | index2D = j; |
---|
| 2906 | |
---|
| 2907 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
| 2908 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 2909 | |
---|
| 2910 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2911 | |
---|
| 2912 | if (itvNum < exe_params->intvCapacity) |
---|
| 2913 | { |
---|
| 2914 | if (diff < 0) itvNum = -itvNum; |
---|
| 2915 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2916 | P0[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2917 | } |
---|
| 2918 | else |
---|
| 2919 | { |
---|
| 2920 | type[lIndex] = 0; |
---|
| 2921 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2922 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2923 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2924 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2925 | P0[index2D] = vce->data; |
---|
| 2926 | } |
---|
| 2927 | } |
---|
| 2928 | |
---|
| 2929 | /* Process Row-s2+1 --> Row-e2 */ |
---|
| 2930 | for (i = 1; i < R2; i++) |
---|
| 2931 | { |
---|
| 2932 | /* Process Row-s2+i data s3 */ |
---|
| 2933 | gIndex = (s1+k)*r23+(s2+i)*r3+s3; |
---|
| 2934 | lIndex = k*R23+i*R3; |
---|
| 2935 | index2D = i*R3; |
---|
| 2936 | |
---|
| 2937 | pred2D = P0[index2D-R3] + P1[index2D] - P1[index2D-R3]; |
---|
| 2938 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 2939 | |
---|
| 2940 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2941 | |
---|
| 2942 | if (itvNum < exe_params->intvCapacity) |
---|
| 2943 | { |
---|
| 2944 | if (diff < 0) itvNum = -itvNum; |
---|
| 2945 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2946 | P0[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2947 | } |
---|
| 2948 | else |
---|
| 2949 | { |
---|
| 2950 | type[lIndex] = 0; |
---|
| 2951 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2952 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2953 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2954 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2955 | P0[index2D] = vce->data; |
---|
| 2956 | } |
---|
| 2957 | |
---|
| 2958 | /* Process Row-s2+i data s3+1 --> data e3 */ |
---|
| 2959 | for (j = 1; j < R3; j++) |
---|
| 2960 | { |
---|
| 2961 | gIndex = (s1+k)*r23+(s2+i)*r3+s3+j; |
---|
| 2962 | lIndex = k*R23+i*R3+j; |
---|
| 2963 | index2D = i*R3+j; |
---|
| 2964 | |
---|
| 2965 | // printf ("global index = %d, local index = %d\n", gIndex, lIndex); |
---|
| 2966 | |
---|
| 2967 | pred3D = P0[index2D-1] + P0[index2D-R3]+ P1[index2D] - P0[index2D-R3-1] - P1[index2D-R3] - P1[index2D-1] + P1[index2D-R3-1]; |
---|
| 2968 | diff = spaceFillingValue[gIndex] - pred3D; |
---|
| 2969 | |
---|
| 2970 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 2971 | |
---|
| 2972 | if (itvNum < exe_params->intvCapacity) |
---|
| 2973 | { |
---|
| 2974 | if (diff < 0) itvNum = -itvNum; |
---|
| 2975 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 2976 | P0[index2D] = pred3D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 2977 | } |
---|
| 2978 | else |
---|
| 2979 | { |
---|
| 2980 | type[lIndex] = 0; |
---|
| 2981 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 2982 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 2983 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 2984 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 2985 | P0[index2D] = vce->data; |
---|
| 2986 | } |
---|
| 2987 | } |
---|
| 2988 | } |
---|
| 2989 | |
---|
| 2990 | float *Pt; |
---|
| 2991 | Pt = P1; |
---|
| 2992 | P1 = P0; |
---|
| 2993 | P0 = Pt; |
---|
| 2994 | } |
---|
| 2995 | |
---|
| 2996 | free(P0); |
---|
| 2997 | free(P1); |
---|
| 2998 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 2999 | |
---|
| 3000 | TightDataPointStorageF* tdps; |
---|
| 3001 | |
---|
| 3002 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 3003 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 3004 | exactLeadNumArray->array, |
---|
| 3005 | resiBitArray->array, resiBitArray->size, |
---|
| 3006 | resiBitsLength, |
---|
| 3007 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 3008 | |
---|
| 3009 | //free memory |
---|
| 3010 | free_DIA(exactLeadNumArray); |
---|
| 3011 | free_DIA(resiBitArray); |
---|
| 3012 | free(type); |
---|
| 3013 | free(vce); |
---|
| 3014 | free(lce); |
---|
| 3015 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 3016 | |
---|
| 3017 | return tdps; |
---|
| 3018 | } |
---|
| 3019 | |
---|
| 3020 | TightDataPointStorageF* SZ_compress_float_4D_MDQ_subblock(float *oriData, double realPrecision, float valueRangeSize, float medianValue_f, |
---|
| 3021 | size_t r1, size_t r2, size_t r3, size_t r4, size_t s1, size_t s2, size_t s3, size_t s4, size_t e1, size_t e2, size_t e3, size_t e4) |
---|
| 3022 | { |
---|
| 3023 | unsigned int quantization_intervals; |
---|
| 3024 | if(exe_params->optQuantMode==1) |
---|
| 3025 | { |
---|
| 3026 | quantization_intervals = optimize_intervals_float_4D_subblock(oriData, realPrecision, r1, r2, r3, r4, s1, s2, s3, s4, e1, e2, e3, e4); |
---|
| 3027 | updateQuantizationInfo(quantization_intervals); |
---|
| 3028 | } |
---|
| 3029 | else |
---|
| 3030 | quantization_intervals = exe_params->intvCapacity; |
---|
| 3031 | |
---|
| 3032 | size_t i,j,k; |
---|
| 3033 | int reqLength; |
---|
| 3034 | float pred1D, pred2D, pred3D; |
---|
| 3035 | float diff = 0.0; |
---|
| 3036 | double itvNum = 0; |
---|
| 3037 | float *P0, *P1; |
---|
| 3038 | |
---|
| 3039 | size_t R1 = e1 - s1 + 1; |
---|
| 3040 | size_t R2 = e2 - s2 + 1; |
---|
| 3041 | size_t R3 = e3 - s3 + 1; |
---|
| 3042 | size_t R4 = e4 - s4 + 1; |
---|
| 3043 | |
---|
| 3044 | size_t dataLength = R1*R2*R3*R4; |
---|
| 3045 | |
---|
| 3046 | size_t r34 = r3*r4; |
---|
| 3047 | size_t r234 = r2*r3*r4; |
---|
| 3048 | size_t R34 = R3*R4; |
---|
| 3049 | size_t R234 = R2*R3*R4; |
---|
| 3050 | |
---|
| 3051 | P0 = (float*)malloc(R34*sizeof(float)); |
---|
| 3052 | P1 = (float*)malloc(R34*sizeof(float)); |
---|
| 3053 | |
---|
| 3054 | float medianValue = medianValue_f; |
---|
| 3055 | short radExpo = getExponent_float(valueRangeSize/2); |
---|
| 3056 | computeReqLength_float(realPrecision, radExpo, &reqLength, &medianValue); |
---|
| 3057 | |
---|
| 3058 | int* type = (int*) malloc(dataLength*sizeof(int)); |
---|
| 3059 | |
---|
| 3060 | float* spaceFillingValue = oriData; // |
---|
| 3061 | |
---|
| 3062 | DynamicIntArray *exactLeadNumArray; |
---|
| 3063 | new_DIA(&exactLeadNumArray, DynArrayInitLen); |
---|
| 3064 | |
---|
| 3065 | DynamicByteArray *exactMidByteArray; |
---|
| 3066 | new_DBA(&exactMidByteArray, DynArrayInitLen); |
---|
| 3067 | |
---|
| 3068 | DynamicIntArray *resiBitArray; |
---|
| 3069 | new_DIA(&resiBitArray, DynArrayInitLen); |
---|
| 3070 | |
---|
| 3071 | unsigned char preDataBytes[4]; |
---|
| 3072 | intToBytes_bigEndian(preDataBytes, 0); |
---|
| 3073 | |
---|
| 3074 | int reqBytesLength = reqLength/8; |
---|
| 3075 | int resiBitsLength = reqLength%8; |
---|
| 3076 | |
---|
| 3077 | FloatValueCompressElement *vce = (FloatValueCompressElement*)malloc(sizeof(FloatValueCompressElement)); |
---|
| 3078 | LossyCompressionElement *lce = (LossyCompressionElement*)malloc(sizeof(LossyCompressionElement)); |
---|
| 3079 | |
---|
| 3080 | |
---|
| 3081 | size_t l; |
---|
| 3082 | for (l = 0; l < R1; l++) |
---|
| 3083 | { |
---|
| 3084 | |
---|
| 3085 | /////////////////////////// Process layer-s2 /////////////////////////// |
---|
| 3086 | /* Process Row-s3 data s4*/ |
---|
| 3087 | size_t gIndex; //global index |
---|
| 3088 | size_t lIndex; //local index |
---|
| 3089 | size_t index2D; //local 2D index |
---|
| 3090 | |
---|
| 3091 | gIndex = (s1+l)*r234+s2*r34+s3*r4+s4; |
---|
| 3092 | lIndex = l*R234; |
---|
| 3093 | index2D = 0; |
---|
| 3094 | |
---|
| 3095 | type[lIndex] = 0; |
---|
| 3096 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3097 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3098 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3099 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3100 | P1[index2D] = vce->data; |
---|
| 3101 | |
---|
| 3102 | /* Process Row-s3 data s4+1*/ |
---|
| 3103 | gIndex = (s1+l)*r234+s2*r34+s3*r4+s4+1; |
---|
| 3104 | lIndex = l*R234+1; |
---|
| 3105 | index2D = 1; |
---|
| 3106 | |
---|
| 3107 | pred1D = P1[index2D-1]; |
---|
| 3108 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 3109 | |
---|
| 3110 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3111 | |
---|
| 3112 | if (itvNum < exe_params->intvCapacity) |
---|
| 3113 | { |
---|
| 3114 | if (diff < 0) itvNum = -itvNum; |
---|
| 3115 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3116 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3117 | } |
---|
| 3118 | else |
---|
| 3119 | { |
---|
| 3120 | type[lIndex] = 0; |
---|
| 3121 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3122 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3123 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3124 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3125 | P1[index2D] = vce->data; |
---|
| 3126 | } |
---|
| 3127 | |
---|
| 3128 | /* Process Row-s3 data s4+2 --> data e4 */ |
---|
| 3129 | for (j = 2; j < R4; j++) |
---|
| 3130 | { |
---|
| 3131 | gIndex = (s1+l)*r234+s2*r34+s3*r4+s4+j; |
---|
| 3132 | lIndex = l*R234+j; |
---|
| 3133 | index2D = j; |
---|
| 3134 | |
---|
| 3135 | pred1D = 2*P1[index2D-1] - P1[index2D-2]; |
---|
| 3136 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 3137 | |
---|
| 3138 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3139 | |
---|
| 3140 | if (itvNum < exe_params->intvCapacity) |
---|
| 3141 | { |
---|
| 3142 | if (diff < 0) itvNum = -itvNum; |
---|
| 3143 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3144 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3145 | } |
---|
| 3146 | else |
---|
| 3147 | { |
---|
| 3148 | type[lIndex] = 0; |
---|
| 3149 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3150 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3151 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3152 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3153 | P1[index2D] = vce->data; |
---|
| 3154 | } |
---|
| 3155 | } |
---|
| 3156 | |
---|
| 3157 | /* Process Row-s3+1 --> Row-e3 */ |
---|
| 3158 | for (i = 1; i < R3; i++) |
---|
| 3159 | { |
---|
| 3160 | /* Process row-s2+i data s3 */ |
---|
| 3161 | gIndex = (s1+l)*r234+s2*r34+(s3+i)*r4+s4; |
---|
| 3162 | lIndex = l*R234+i*R4; |
---|
| 3163 | index2D = i*R4; |
---|
| 3164 | |
---|
| 3165 | pred1D = P1[index2D-R4]; |
---|
| 3166 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 3167 | |
---|
| 3168 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3169 | |
---|
| 3170 | if (itvNum < exe_params->intvCapacity) |
---|
| 3171 | { |
---|
| 3172 | if (diff < 0) itvNum = -itvNum; |
---|
| 3173 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3174 | P1[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3175 | } |
---|
| 3176 | else |
---|
| 3177 | { |
---|
| 3178 | type[lIndex] = 0; |
---|
| 3179 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3180 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3181 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3182 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3183 | P1[index2D] = vce->data; |
---|
| 3184 | } |
---|
| 3185 | |
---|
| 3186 | /* Process row-s3+i data s4+1 --> data e4*/ |
---|
| 3187 | for (j = 1; j < R4; j++) |
---|
| 3188 | { |
---|
| 3189 | gIndex = (s1+l)*r234+s2*r34+(s3+i)*r4+s4+j; |
---|
| 3190 | lIndex = l*R234+i*R4+j; |
---|
| 3191 | index2D = i*R4+j; |
---|
| 3192 | |
---|
| 3193 | pred2D = P1[index2D-1] + P1[index2D-R4] - P1[index2D-R4-1]; |
---|
| 3194 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 3195 | |
---|
| 3196 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3197 | |
---|
| 3198 | if (itvNum < exe_params->intvCapacity) |
---|
| 3199 | { |
---|
| 3200 | if (diff < 0) itvNum = -itvNum; |
---|
| 3201 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3202 | P1[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3203 | } |
---|
| 3204 | else |
---|
| 3205 | { |
---|
| 3206 | type[lIndex] = 0; |
---|
| 3207 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3208 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3209 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3210 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3211 | P1[index2D] = vce->data; |
---|
| 3212 | } |
---|
| 3213 | } |
---|
| 3214 | } |
---|
| 3215 | |
---|
| 3216 | |
---|
| 3217 | /////////////////////////// Process layer-s2+1 --> layer-e2 /////////////////////////// |
---|
| 3218 | |
---|
| 3219 | for (k = 1; k < R2; k++) |
---|
| 3220 | { |
---|
| 3221 | /* Process Row-s3 data s4*/ |
---|
| 3222 | gIndex = (s1+l)*r234+(s2+k)*r34+s3*r4+s4; |
---|
| 3223 | lIndex = l*R234+k*R34; |
---|
| 3224 | index2D = 0; |
---|
| 3225 | |
---|
| 3226 | pred1D = P1[index2D]; |
---|
| 3227 | diff = spaceFillingValue[gIndex] - pred1D; |
---|
| 3228 | |
---|
| 3229 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3230 | |
---|
| 3231 | if (itvNum < exe_params->intvCapacity) |
---|
| 3232 | { |
---|
| 3233 | if (diff < 0) itvNum = -itvNum; |
---|
| 3234 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3235 | P0[index2D] = pred1D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3236 | } |
---|
| 3237 | else |
---|
| 3238 | { |
---|
| 3239 | type[lIndex] = 0; |
---|
| 3240 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3241 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3242 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3243 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3244 | P0[index2D] = vce->data; |
---|
| 3245 | } |
---|
| 3246 | |
---|
| 3247 | /* Process Row-s3 data s4+1 --> data e4 */ |
---|
| 3248 | for (j = 1; j < R4; j++) |
---|
| 3249 | { |
---|
| 3250 | gIndex = (s1+l)*r234+(s2+k)*r34+s3*r4+s4+j; |
---|
| 3251 | lIndex = l*R234+k*R34+j; |
---|
| 3252 | index2D = j; |
---|
| 3253 | |
---|
| 3254 | pred2D = P0[index2D-1] + P1[index2D] - P1[index2D-1]; |
---|
| 3255 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 3256 | |
---|
| 3257 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3258 | |
---|
| 3259 | if (itvNum < exe_params->intvCapacity) |
---|
| 3260 | { |
---|
| 3261 | if (diff < 0) itvNum = -itvNum; |
---|
| 3262 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3263 | P0[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3264 | } |
---|
| 3265 | else |
---|
| 3266 | { |
---|
| 3267 | type[lIndex] = 0; |
---|
| 3268 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3269 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3270 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3271 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3272 | P0[index2D] = vce->data; |
---|
| 3273 | } |
---|
| 3274 | } |
---|
| 3275 | |
---|
| 3276 | /* Process Row-s3+1 --> Row-e3 */ |
---|
| 3277 | for (i = 1; i < R3; i++) |
---|
| 3278 | { |
---|
| 3279 | /* Process Row-s3+i data s4 */ |
---|
| 3280 | gIndex = (s1+l)*r234+(s2+k)*r34+(s3+i)*r4+s4; |
---|
| 3281 | lIndex = l*R234+k*R34+i*R4; |
---|
| 3282 | index2D = i*R4; |
---|
| 3283 | |
---|
| 3284 | pred2D = P0[index2D-R4] + P1[index2D] - P1[index2D-R4]; |
---|
| 3285 | diff = spaceFillingValue[gIndex] - pred2D; |
---|
| 3286 | |
---|
| 3287 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3288 | |
---|
| 3289 | if (itvNum < exe_params->intvCapacity) |
---|
| 3290 | { |
---|
| 3291 | if (diff < 0) itvNum = -itvNum; |
---|
| 3292 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3293 | P0[index2D] = pred2D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3294 | } |
---|
| 3295 | else |
---|
| 3296 | { |
---|
| 3297 | type[lIndex] = 0; |
---|
| 3298 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3299 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3300 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3301 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3302 | P0[index2D] = vce->data; |
---|
| 3303 | } |
---|
| 3304 | |
---|
| 3305 | /* Process Row-s3+i data s4+1 --> data e4 */ |
---|
| 3306 | for (j = 1; j < R4; j++) |
---|
| 3307 | { |
---|
| 3308 | gIndex = (s1+l)*r234+(s2+k)*r34+(s3+i)*r4+s4+j; |
---|
| 3309 | lIndex = l*R234+k*R34+i*R4+j; |
---|
| 3310 | index2D = i*R4+j; |
---|
| 3311 | |
---|
| 3312 | // printf ("global index = %d, local index = %d\n", gIndex, lIndex); |
---|
| 3313 | |
---|
| 3314 | pred3D = P0[index2D-1] + P0[index2D-R4]+ P1[index2D] - P0[index2D-R4-1] - P1[index2D-R4] - P1[index2D-1] + P1[index2D-R4-1]; |
---|
| 3315 | diff = spaceFillingValue[gIndex] - pred3D; |
---|
| 3316 | |
---|
| 3317 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3318 | |
---|
| 3319 | if (itvNum < exe_params->intvCapacity) |
---|
| 3320 | { |
---|
| 3321 | if (diff < 0) itvNum = -itvNum; |
---|
| 3322 | type[lIndex] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3323 | P0[index2D] = pred3D + 2 * (type[lIndex] - exe_params->intvRadius) * realPrecision; |
---|
| 3324 | } |
---|
| 3325 | else |
---|
| 3326 | { |
---|
| 3327 | type[lIndex] = 0; |
---|
| 3328 | compressSingleFloatValue(vce, spaceFillingValue[gIndex], realPrecision, medianValue, reqLength, reqBytesLength, resiBitsLength); |
---|
| 3329 | updateLossyCompElement_Float(vce->curBytes, preDataBytes, reqBytesLength, resiBitsLength, lce); |
---|
| 3330 | memcpy(preDataBytes,vce->curBytes,4); |
---|
| 3331 | addExactData(exactMidByteArray, exactLeadNumArray, resiBitArray, lce); |
---|
| 3332 | P0[index2D] = vce->data; |
---|
| 3333 | } |
---|
| 3334 | } |
---|
| 3335 | } |
---|
| 3336 | |
---|
| 3337 | float *Pt; |
---|
| 3338 | Pt = P1; |
---|
| 3339 | P1 = P0; |
---|
| 3340 | P0 = Pt; |
---|
| 3341 | } |
---|
| 3342 | |
---|
| 3343 | } |
---|
| 3344 | |
---|
| 3345 | free(P0); |
---|
| 3346 | free(P1); |
---|
| 3347 | size_t exactDataNum = exactLeadNumArray->size; |
---|
| 3348 | |
---|
| 3349 | TightDataPointStorageF* tdps; |
---|
| 3350 | |
---|
| 3351 | new_TightDataPointStorageF(&tdps, dataLength, exactDataNum, |
---|
| 3352 | type, exactMidByteArray->array, exactMidByteArray->size, |
---|
| 3353 | exactLeadNumArray->array, |
---|
| 3354 | resiBitArray->array, resiBitArray->size, |
---|
| 3355 | resiBitsLength, |
---|
| 3356 | realPrecision, medianValue, (char)reqLength, quantization_intervals, NULL, 0, 0); |
---|
| 3357 | |
---|
| 3358 | //free memory |
---|
| 3359 | free_DIA(exactLeadNumArray); |
---|
| 3360 | free_DIA(resiBitArray); |
---|
| 3361 | free(type); |
---|
| 3362 | free(vce); |
---|
| 3363 | free(lce); |
---|
| 3364 | free(exactMidByteArray); //exactMidByteArray->array has been released in free_TightDataPointStorageF(tdps); |
---|
| 3365 | |
---|
| 3366 | return tdps; |
---|
| 3367 | } |
---|
| 3368 | |
---|
| 3369 | unsigned int optimize_intervals_float_3D_opt(float *oriData, size_t r1, size_t r2, size_t r3, double realPrecision) |
---|
| 3370 | { |
---|
| 3371 | size_t i; |
---|
| 3372 | size_t radiusIndex; |
---|
| 3373 | size_t r23=r2*r3; |
---|
| 3374 | float pred_value = 0, pred_err; |
---|
| 3375 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3376 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3377 | size_t totalSampleSize = 0;//(r1-1)*(r2-1)*(r3-1)/confparams_cpr->sampleDistance; |
---|
| 3378 | |
---|
| 3379 | size_t offset_count = confparams_cpr->sampleDistance - 2; // count r3 offset |
---|
| 3380 | size_t offset_count_2; |
---|
| 3381 | float * data_pos = oriData + r23 + r3 + offset_count; |
---|
| 3382 | size_t n1_count = 1, n2_count = 1; // count i,j sum |
---|
| 3383 | size_t len = r1 * r2 * r3; |
---|
| 3384 | while(data_pos - oriData < len){ |
---|
| 3385 | totalSampleSize++; |
---|
| 3386 | pred_value = data_pos[-1] + data_pos[-r3] + data_pos[-r23] - data_pos[-1-r23] - data_pos[-r3-1] - data_pos[-r3-r23] + data_pos[-r3-r23-1]; |
---|
| 3387 | pred_err = fabs(pred_value - *data_pos); |
---|
| 3388 | radiusIndex = (pred_err/realPrecision+1)/2; |
---|
| 3389 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 3390 | { |
---|
| 3391 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 3392 | //printf("radiusIndex=%d\n", radiusIndex); |
---|
| 3393 | } |
---|
| 3394 | intervals[radiusIndex]++; |
---|
| 3395 | // printf("TEST: %ld, i: %ld\tj: %ld\tk: %ld\n", data_pos - oriData); |
---|
| 3396 | // fflush(stdout); |
---|
| 3397 | offset_count += confparams_cpr->sampleDistance; |
---|
| 3398 | if(offset_count >= r3){ |
---|
| 3399 | n2_count ++; |
---|
| 3400 | if(n2_count == r2){ |
---|
| 3401 | n1_count ++; |
---|
| 3402 | n2_count = 1; |
---|
| 3403 | data_pos += r3; |
---|
| 3404 | } |
---|
| 3405 | offset_count_2 = (n1_count + n2_count) % confparams_cpr->sampleDistance; |
---|
| 3406 | data_pos += (r3 + confparams_cpr->sampleDistance - offset_count) + (confparams_cpr->sampleDistance - offset_count_2); |
---|
| 3407 | offset_count = (confparams_cpr->sampleDistance - offset_count_2); |
---|
| 3408 | if(offset_count == 0) offset_count ++; |
---|
| 3409 | } |
---|
| 3410 | else data_pos += confparams_cpr->sampleDistance; |
---|
| 3411 | } |
---|
| 3412 | // printf("sample_count: %ld\n", sample_count); |
---|
| 3413 | // fflush(stdout); |
---|
| 3414 | // if(*max_freq < 0.15) *max_freq *= 2; |
---|
| 3415 | //compute the appropriate number |
---|
| 3416 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 3417 | size_t sum = 0; |
---|
| 3418 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 3419 | { |
---|
| 3420 | sum += intervals[i]; |
---|
| 3421 | if(sum>targetCount) |
---|
| 3422 | break; |
---|
| 3423 | } |
---|
| 3424 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 3425 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 3426 | unsigned int accIntervals = 2*(i+1); |
---|
| 3427 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 3428 | |
---|
| 3429 | if(powerOf2<32) |
---|
| 3430 | powerOf2 = 32; |
---|
| 3431 | free(intervals); |
---|
| 3432 | //printf("targetCount=%d, sum=%d, totalSampleSize=%d, ratio=%f, accIntervals=%d, powerOf2=%d\n", targetCount, sum, totalSampleSize, (double)sum/(double)totalSampleSize, accIntervals, powerOf2); |
---|
| 3433 | return powerOf2; |
---|
| 3434 | } |
---|
| 3435 | |
---|
| 3436 | size_t SZ_compress_float_3D_MDQ_RA_block(float * block_ori_data, float * mean, size_t dim_0, size_t dim_1, size_t dim_2, size_t block_dim_0, size_t block_dim_1, size_t block_dim_2, double realPrecision, float * P0, float * P1, int * type, float * unpredictable_data){ |
---|
| 3437 | |
---|
| 3438 | size_t dim0_offset = dim_1 * dim_2; |
---|
| 3439 | size_t dim1_offset = dim_2; |
---|
| 3440 | |
---|
| 3441 | // data_pos = block_ori_data; |
---|
| 3442 | // for(size_t i=0; i<block_dim_0; i++){ |
---|
| 3443 | // for(size_t j=0; j<block_dim_1; j++){ |
---|
| 3444 | // for(size_t k=0; k<block_dim_2; k++){ |
---|
| 3445 | // sum += *data_pos; |
---|
| 3446 | // data_pos ++; |
---|
| 3447 | // } |
---|
| 3448 | // data_pos += dim1_offset - block_dim_2; |
---|
| 3449 | // } |
---|
| 3450 | // data_pos += dim0_offset - block_dim_1 * dim1_offset; |
---|
| 3451 | // } |
---|
| 3452 | // size_t num_elements = block_dim_0 * block_dim_1 * block_dim_2; |
---|
| 3453 | // if(num_elements > 0) mean[0] = sum / num_elements; |
---|
| 3454 | // else mean[0] = 0.0; |
---|
| 3455 | mean[0] = block_ori_data[0]; |
---|
| 3456 | |
---|
| 3457 | size_t unpredictable_count = 0; |
---|
| 3458 | size_t r1, r2, r3; |
---|
| 3459 | r1 = block_dim_0; |
---|
| 3460 | r2 = block_dim_1; |
---|
| 3461 | r3 = block_dim_2; |
---|
| 3462 | |
---|
| 3463 | float * cur_data_pos = block_ori_data; |
---|
| 3464 | float curData; |
---|
| 3465 | float pred1D, pred2D, pred3D; |
---|
| 3466 | double itvNum; |
---|
| 3467 | double diff; |
---|
| 3468 | size_t i, j, k; |
---|
| 3469 | size_t r23 = r2*r3; |
---|
| 3470 | // Process Row-0 data 0 |
---|
| 3471 | pred1D = mean[0]; |
---|
| 3472 | curData = *cur_data_pos; |
---|
| 3473 | diff = curData - pred1D; |
---|
| 3474 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3475 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3476 | if (diff < 0) itvNum = -itvNum; |
---|
| 3477 | type[0] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3478 | P1[0] = pred1D + 2 * (type[0] - exe_params->intvRadius) * realPrecision; |
---|
| 3479 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3480 | if(fabs(curData-P1[0])>realPrecision){ |
---|
| 3481 | type[0] = 0; |
---|
| 3482 | P1[0] = curData; |
---|
| 3483 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3484 | } |
---|
| 3485 | } |
---|
| 3486 | else{ |
---|
| 3487 | type[0] = 0; |
---|
| 3488 | P1[0] = curData; |
---|
| 3489 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3490 | } |
---|
| 3491 | |
---|
| 3492 | /* Process Row-0 data 1*/ |
---|
| 3493 | pred1D = P1[0]; |
---|
| 3494 | curData = cur_data_pos[1]; |
---|
| 3495 | diff = curData - pred1D; |
---|
| 3496 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3497 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3498 | if (diff < 0) itvNum = -itvNum; |
---|
| 3499 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3500 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 3501 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3502 | if(fabs(curData-P1[1])>realPrecision){ |
---|
| 3503 | type[1] = 0; |
---|
| 3504 | P1[1] = curData; |
---|
| 3505 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3506 | } |
---|
| 3507 | } |
---|
| 3508 | else{ |
---|
| 3509 | type[1] = 0; |
---|
| 3510 | P1[1] = curData; |
---|
| 3511 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3512 | } |
---|
| 3513 | /* Process Row-0 data 2 --> data r3-1 */ |
---|
| 3514 | for (j = 2; j < r3; j++){ |
---|
| 3515 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 3516 | curData = cur_data_pos[j]; |
---|
| 3517 | diff = curData - pred1D; |
---|
| 3518 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3519 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3520 | if (diff < 0) itvNum = -itvNum; |
---|
| 3521 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3522 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 3523 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3524 | if(fabs(curData-P1[j])>realPrecision){ |
---|
| 3525 | type[j] = 0; |
---|
| 3526 | P1[j] = curData; |
---|
| 3527 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3528 | } |
---|
| 3529 | } |
---|
| 3530 | else{ |
---|
| 3531 | type[j] = 0; |
---|
| 3532 | P1[j] = curData; |
---|
| 3533 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3534 | } |
---|
| 3535 | } |
---|
| 3536 | cur_data_pos += dim1_offset; |
---|
| 3537 | |
---|
| 3538 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 3539 | size_t index; |
---|
| 3540 | for (i = 1; i < r2; i++) |
---|
| 3541 | { |
---|
| 3542 | /* Process row-i data 0 */ |
---|
| 3543 | index = i*r3; |
---|
| 3544 | pred1D = P1[index-r3]; |
---|
| 3545 | curData = *cur_data_pos; |
---|
| 3546 | diff = curData - pred1D; |
---|
| 3547 | |
---|
| 3548 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3549 | |
---|
| 3550 | if (itvNum < exe_params->intvCapacity) |
---|
| 3551 | { |
---|
| 3552 | if (diff < 0) itvNum = -itvNum; |
---|
| 3553 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3554 | P1[index] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3555 | |
---|
| 3556 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3557 | if(fabs(curData-P1[index])>realPrecision) |
---|
| 3558 | { |
---|
| 3559 | type[index] = 0; |
---|
| 3560 | P1[index] = curData; |
---|
| 3561 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3562 | } |
---|
| 3563 | } |
---|
| 3564 | else |
---|
| 3565 | { |
---|
| 3566 | type[index] = 0; |
---|
| 3567 | P1[index] = curData; |
---|
| 3568 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3569 | } |
---|
| 3570 | |
---|
| 3571 | /* Process row-i data 1 --> data r3-1*/ |
---|
| 3572 | for (j = 1; j < r3; j++) |
---|
| 3573 | { |
---|
| 3574 | index = i*r3+j; |
---|
| 3575 | pred2D = P1[index-1] + P1[index-r3] - P1[index-r3-1]; |
---|
| 3576 | |
---|
| 3577 | curData = cur_data_pos[j]; |
---|
| 3578 | diff = curData - pred2D; |
---|
| 3579 | |
---|
| 3580 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3581 | |
---|
| 3582 | if (itvNum < exe_params->intvCapacity) |
---|
| 3583 | { |
---|
| 3584 | if (diff < 0) itvNum = -itvNum; |
---|
| 3585 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3586 | P1[index] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3587 | |
---|
| 3588 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3589 | if(fabs(curData-P1[index])>realPrecision) |
---|
| 3590 | { |
---|
| 3591 | type[index] = 0; |
---|
| 3592 | P1[index] = curData; |
---|
| 3593 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3594 | } |
---|
| 3595 | } |
---|
| 3596 | else |
---|
| 3597 | { |
---|
| 3598 | type[index] = 0; |
---|
| 3599 | P1[index] = curData; |
---|
| 3600 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3601 | } |
---|
| 3602 | } |
---|
| 3603 | cur_data_pos += dim1_offset; |
---|
| 3604 | } |
---|
| 3605 | cur_data_pos += dim0_offset - r2 * dim1_offset; |
---|
| 3606 | |
---|
| 3607 | /////////////////////////// Process layer-1 --> layer-r1-1 /////////////////////////// |
---|
| 3608 | |
---|
| 3609 | for (k = 1; k < r1; k++) |
---|
| 3610 | { |
---|
| 3611 | /* Process Row-0 data 0*/ |
---|
| 3612 | index = k*r23; |
---|
| 3613 | pred1D = P1[0]; |
---|
| 3614 | curData = *cur_data_pos; |
---|
| 3615 | diff = curData - pred1D; |
---|
| 3616 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3617 | if (itvNum < exe_params->intvCapacity) |
---|
| 3618 | { |
---|
| 3619 | if (diff < 0) itvNum = -itvNum; |
---|
| 3620 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3621 | P0[0] = pred1D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3622 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3623 | if(fabs(curData-P0[0])>realPrecision) |
---|
| 3624 | { |
---|
| 3625 | type[index] = 0; |
---|
| 3626 | P0[0] = curData; |
---|
| 3627 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3628 | } |
---|
| 3629 | } |
---|
| 3630 | else |
---|
| 3631 | { |
---|
| 3632 | type[index] = 0; |
---|
| 3633 | P0[0] = curData; |
---|
| 3634 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3635 | } |
---|
| 3636 | /* Process Row-0 data 1 --> data r3-1 */ |
---|
| 3637 | for (j = 1; j < r3; j++) |
---|
| 3638 | { |
---|
| 3639 | //index = k*r2*r3+j; |
---|
| 3640 | index ++; |
---|
| 3641 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 3642 | curData = cur_data_pos[j]; |
---|
| 3643 | diff = curData - pred2D; |
---|
| 3644 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3645 | if (itvNum < exe_params->intvCapacity) |
---|
| 3646 | { |
---|
| 3647 | if (diff < 0) itvNum = -itvNum; |
---|
| 3648 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3649 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3650 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3651 | if(fabs(curData-P0[j])>realPrecision) |
---|
| 3652 | { |
---|
| 3653 | type[index] = 0; |
---|
| 3654 | P0[j] = curData; |
---|
| 3655 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3656 | } |
---|
| 3657 | } |
---|
| 3658 | else |
---|
| 3659 | { |
---|
| 3660 | type[index] = 0; |
---|
| 3661 | P0[j] = curData; |
---|
| 3662 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3663 | } |
---|
| 3664 | } |
---|
| 3665 | |
---|
| 3666 | cur_data_pos += dim1_offset; |
---|
| 3667 | /* Process Row-1 --> Row-r2-1 */ |
---|
| 3668 | size_t index2D; |
---|
| 3669 | for (i = 1; i < r2; i++) |
---|
| 3670 | { |
---|
| 3671 | /* Process Row-i data 0 */ |
---|
| 3672 | index = k*r23 + i*r3; |
---|
| 3673 | index2D = i*r3; |
---|
| 3674 | pred2D = P0[index2D-r3] + P1[index2D] - P1[index2D-r3]; |
---|
| 3675 | curData = *cur_data_pos; |
---|
| 3676 | diff = curData - pred2D; |
---|
| 3677 | |
---|
| 3678 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3679 | |
---|
| 3680 | if (itvNum < exe_params->intvCapacity) |
---|
| 3681 | { |
---|
| 3682 | if (diff < 0) itvNum = -itvNum; |
---|
| 3683 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3684 | P0[index2D] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3685 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3686 | if(fabs(curData-P0[index2D])>realPrecision) |
---|
| 3687 | { |
---|
| 3688 | type[index] = 0; |
---|
| 3689 | P0[index2D] = curData; |
---|
| 3690 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3691 | } |
---|
| 3692 | } |
---|
| 3693 | else |
---|
| 3694 | { |
---|
| 3695 | type[index] = 0; |
---|
| 3696 | P0[index2D] = curData; |
---|
| 3697 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3698 | } |
---|
| 3699 | |
---|
| 3700 | /* Process Row-i data 1 --> data r3-1 */ |
---|
| 3701 | for (j = 1; j < r3; j++) |
---|
| 3702 | { |
---|
| 3703 | //index = k*r2*r3 + i*r3 + j; |
---|
| 3704 | index ++; |
---|
| 3705 | index2D = i*r3 + j; |
---|
| 3706 | pred3D = P0[index2D-1] + P0[index2D-r3]+ P1[index2D] - P0[index2D-r3-1] - P1[index2D-r3] - P1[index2D-1] + P1[index2D-r3-1]; |
---|
| 3707 | curData = cur_data_pos[j]; |
---|
| 3708 | diff = curData - pred3D; |
---|
| 3709 | |
---|
| 3710 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3711 | |
---|
| 3712 | if (itvNum < exe_params->intvCapacity) |
---|
| 3713 | { |
---|
| 3714 | if (diff < 0) itvNum = -itvNum; |
---|
| 3715 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3716 | P0[index2D] = pred3D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 3717 | |
---|
| 3718 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3719 | if(fabs(curData-P0[index2D])>realPrecision) |
---|
| 3720 | { |
---|
| 3721 | type[index] = 0; |
---|
| 3722 | P0[index2D] = curData; |
---|
| 3723 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3724 | } |
---|
| 3725 | } |
---|
| 3726 | else |
---|
| 3727 | { |
---|
| 3728 | type[index] = 0; |
---|
| 3729 | P0[index2D] = curData; |
---|
| 3730 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3731 | } |
---|
| 3732 | } |
---|
| 3733 | cur_data_pos += dim1_offset; |
---|
| 3734 | } |
---|
| 3735 | cur_data_pos += dim0_offset - r2 * dim1_offset; |
---|
| 3736 | float *Pt; |
---|
| 3737 | Pt = P1; |
---|
| 3738 | P1 = P0; |
---|
| 3739 | P0 = Pt; |
---|
| 3740 | } |
---|
| 3741 | |
---|
| 3742 | return unpredictable_count; |
---|
| 3743 | } |
---|
| 3744 | |
---|
| 3745 | unsigned int optimize_intervals_float_2D_opt(float *oriData, size_t r1, size_t r2, double realPrecision) |
---|
| 3746 | { |
---|
| 3747 | size_t i; |
---|
| 3748 | size_t radiusIndex; |
---|
| 3749 | float pred_value = 0, pred_err; |
---|
| 3750 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3751 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3752 | size_t totalSampleSize = 0;//(r1-1)*(r2-1)/confparams_cpr->sampleDistance; |
---|
| 3753 | |
---|
| 3754 | //float max = oriData[0]; |
---|
| 3755 | //float min = oriData[0]; |
---|
| 3756 | |
---|
| 3757 | size_t offset_count = confparams_cpr->sampleDistance - 1; // count r2 offset |
---|
| 3758 | size_t offset_count_2; |
---|
| 3759 | float * data_pos = oriData + r2 + offset_count; |
---|
| 3760 | size_t n1_count = 1; // count i sum |
---|
| 3761 | size_t len = r1 * r2; |
---|
| 3762 | while(data_pos - oriData < len){ |
---|
| 3763 | totalSampleSize++; |
---|
| 3764 | pred_value = data_pos[-1] + data_pos[-r2] - data_pos[-r2-1]; |
---|
| 3765 | pred_err = fabs(pred_value - *data_pos); |
---|
| 3766 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 3767 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 3768 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 3769 | intervals[radiusIndex]++; |
---|
| 3770 | |
---|
| 3771 | offset_count += confparams_cpr->sampleDistance; |
---|
| 3772 | if(offset_count >= r2){ |
---|
| 3773 | n1_count ++; |
---|
| 3774 | offset_count_2 = n1_count % confparams_cpr->sampleDistance; |
---|
| 3775 | data_pos += (r2 + confparams_cpr->sampleDistance - offset_count) + (confparams_cpr->sampleDistance - offset_count_2); |
---|
| 3776 | offset_count = (confparams_cpr->sampleDistance - offset_count_2); |
---|
| 3777 | if(offset_count == 0) offset_count ++; |
---|
| 3778 | } |
---|
| 3779 | else data_pos += confparams_cpr->sampleDistance; |
---|
| 3780 | } |
---|
| 3781 | |
---|
| 3782 | //compute the appropriate number |
---|
| 3783 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 3784 | size_t sum = 0; |
---|
| 3785 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 3786 | { |
---|
| 3787 | sum += intervals[i]; |
---|
| 3788 | if(sum>targetCount) |
---|
| 3789 | break; |
---|
| 3790 | } |
---|
| 3791 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 3792 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 3793 | unsigned int accIntervals = 2*(i+1); |
---|
| 3794 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 3795 | |
---|
| 3796 | if(powerOf2<32) |
---|
| 3797 | powerOf2 = 32; |
---|
| 3798 | |
---|
| 3799 | free(intervals); |
---|
| 3800 | return powerOf2; |
---|
| 3801 | } |
---|
| 3802 | |
---|
| 3803 | unsigned int optimize_intervals_float_1D_opt(float *oriData, size_t dataLength, double realPrecision) |
---|
| 3804 | { |
---|
| 3805 | size_t i = 0, radiusIndex; |
---|
| 3806 | float pred_value = 0, pred_err; |
---|
| 3807 | size_t *intervals = (size_t*)malloc(confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3808 | memset(intervals, 0, confparams_cpr->maxRangeRadius*sizeof(size_t)); |
---|
| 3809 | size_t totalSampleSize = 0;//dataLength/confparams_cpr->sampleDistance; |
---|
| 3810 | |
---|
| 3811 | float * data_pos = oriData + 2; |
---|
| 3812 | while(data_pos - oriData < dataLength){ |
---|
| 3813 | totalSampleSize++; |
---|
| 3814 | //pred_value = 2*data_pos[-1] - data_pos[-2]; |
---|
| 3815 | pred_value = data_pos[-1]; |
---|
| 3816 | pred_err = fabs(pred_value - *data_pos); |
---|
| 3817 | radiusIndex = (unsigned long)((pred_err/realPrecision+1)/2); |
---|
| 3818 | if(radiusIndex>=confparams_cpr->maxRangeRadius) |
---|
| 3819 | radiusIndex = confparams_cpr->maxRangeRadius - 1; |
---|
| 3820 | intervals[radiusIndex]++; |
---|
| 3821 | |
---|
| 3822 | data_pos += confparams_cpr->sampleDistance; |
---|
| 3823 | } |
---|
| 3824 | //compute the appropriate number |
---|
| 3825 | size_t targetCount = totalSampleSize*confparams_cpr->predThreshold; |
---|
| 3826 | size_t sum = 0; |
---|
| 3827 | for(i=0;i<confparams_cpr->maxRangeRadius;i++) |
---|
| 3828 | { |
---|
| 3829 | sum += intervals[i]; |
---|
| 3830 | if(sum>targetCount) |
---|
| 3831 | break; |
---|
| 3832 | } |
---|
| 3833 | if(i>=confparams_cpr->maxRangeRadius) |
---|
| 3834 | i = confparams_cpr->maxRangeRadius-1; |
---|
| 3835 | |
---|
| 3836 | unsigned int accIntervals = 2*(i+1); |
---|
| 3837 | unsigned int powerOf2 = roundUpToPowerOf2(accIntervals); |
---|
| 3838 | |
---|
| 3839 | if(powerOf2<32) |
---|
| 3840 | powerOf2 = 32; |
---|
| 3841 | |
---|
| 3842 | free(intervals); |
---|
| 3843 | //printf("accIntervals=%d, powerOf2=%d\n", accIntervals, powerOf2); |
---|
| 3844 | return powerOf2; |
---|
| 3845 | } |
---|
| 3846 | |
---|
| 3847 | size_t SZ_compress_float_1D_MDQ_RA_block(float * block_ori_data, float * mean, size_t dim_0, size_t block_dim_0, double realPrecision, int * type, float * unpredictable_data){ |
---|
| 3848 | |
---|
| 3849 | mean[0] = block_ori_data[0]; |
---|
| 3850 | unsigned short unpredictable_count = 0; |
---|
| 3851 | |
---|
| 3852 | float curData; |
---|
| 3853 | double itvNum; |
---|
| 3854 | double diff; |
---|
| 3855 | float last_over_thres = mean[0]; |
---|
| 3856 | float pred1D; |
---|
| 3857 | size_t type_index = 0; |
---|
| 3858 | float * data_pos = block_ori_data; |
---|
| 3859 | for(size_t i=0; i<block_dim_0; i++){ |
---|
| 3860 | curData = *data_pos; |
---|
| 3861 | |
---|
| 3862 | pred1D = last_over_thres; |
---|
| 3863 | diff = curData - pred1D; |
---|
| 3864 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3865 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3866 | if (diff < 0) itvNum = -itvNum; |
---|
| 3867 | type[type_index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3868 | last_over_thres = pred1D + 2 * (type[type_index] - exe_params->intvRadius) * realPrecision; |
---|
| 3869 | if(fabs(curData-last_over_thres)>realPrecision){ |
---|
| 3870 | type[type_index] = 0; |
---|
| 3871 | last_over_thres = curData; |
---|
| 3872 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3873 | } |
---|
| 3874 | |
---|
| 3875 | } |
---|
| 3876 | else{ |
---|
| 3877 | type[type_index] = 0; |
---|
| 3878 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3879 | last_over_thres = curData; |
---|
| 3880 | } |
---|
| 3881 | type_index ++; |
---|
| 3882 | data_pos ++; |
---|
| 3883 | } |
---|
| 3884 | return unpredictable_count; |
---|
| 3885 | |
---|
| 3886 | } |
---|
| 3887 | |
---|
| 3888 | size_t SZ_compress_float_2D_MDQ_RA_block(float * block_ori_data, float * mean, size_t dim_0, size_t dim_1, size_t block_dim_0, size_t block_dim_1, double realPrecision, float * P0, float * P1, int * type, float * unpredictable_data){ |
---|
| 3889 | |
---|
| 3890 | size_t dim0_offset = dim_1; |
---|
| 3891 | mean[0] = block_ori_data[0]; |
---|
| 3892 | |
---|
| 3893 | size_t unpredictable_count = 0; |
---|
| 3894 | size_t r1, r2; |
---|
| 3895 | r1 = block_dim_0; |
---|
| 3896 | r2 = block_dim_1; |
---|
| 3897 | |
---|
| 3898 | float * cur_data_pos = block_ori_data; |
---|
| 3899 | float curData; |
---|
| 3900 | float pred1D, pred2D; |
---|
| 3901 | double itvNum; |
---|
| 3902 | double diff; |
---|
| 3903 | size_t i, j; |
---|
| 3904 | /* Process Row-0 data 0*/ |
---|
| 3905 | curData = *cur_data_pos; |
---|
| 3906 | pred1D = mean[0]; |
---|
| 3907 | diff = curData - pred1D; |
---|
| 3908 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3909 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3910 | if (diff < 0) itvNum = -itvNum; |
---|
| 3911 | type[0] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3912 | P1[0] = pred1D + 2 * (type[0] - exe_params->intvRadius) * realPrecision; |
---|
| 3913 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3914 | if(fabs(curData-P1[0])>realPrecision){ |
---|
| 3915 | type[0] = 0; |
---|
| 3916 | P1[0] = curData; |
---|
| 3917 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3918 | } |
---|
| 3919 | } |
---|
| 3920 | else{ |
---|
| 3921 | type[0] = 0; |
---|
| 3922 | P1[0] = curData; |
---|
| 3923 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3924 | } |
---|
| 3925 | |
---|
| 3926 | /* Process Row-0 data 1*/ |
---|
| 3927 | curData = cur_data_pos[1]; |
---|
| 3928 | pred1D = P1[0]; |
---|
| 3929 | diff = curData - pred1D; |
---|
| 3930 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3931 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3932 | if (diff < 0) itvNum = -itvNum; |
---|
| 3933 | type[1] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3934 | P1[1] = pred1D + 2 * (type[1] - exe_params->intvRadius) * realPrecision; |
---|
| 3935 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3936 | if(fabs(curData-P1[1])>realPrecision){ |
---|
| 3937 | type[1] = 0; |
---|
| 3938 | P1[1] = curData; |
---|
| 3939 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3940 | } |
---|
| 3941 | } |
---|
| 3942 | else{ |
---|
| 3943 | type[1] = 0; |
---|
| 3944 | P1[1] = curData; |
---|
| 3945 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3946 | } |
---|
| 3947 | |
---|
| 3948 | /* Process Row-0 data 2 --> data r2-1 */ |
---|
| 3949 | for (j = 2; j < r2; j++) |
---|
| 3950 | { |
---|
| 3951 | curData = cur_data_pos[j]; |
---|
| 3952 | pred1D = 2*P1[j-1] - P1[j-2]; |
---|
| 3953 | diff = curData - pred1D; |
---|
| 3954 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3955 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3956 | if (diff < 0) itvNum = -itvNum; |
---|
| 3957 | type[j] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3958 | P1[j] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 3959 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3960 | if(fabs(curData-P1[j])>realPrecision){ |
---|
| 3961 | type[j] = 0; |
---|
| 3962 | P1[j] = curData; |
---|
| 3963 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3964 | } |
---|
| 3965 | } |
---|
| 3966 | else{ |
---|
| 3967 | type[j] = 0; |
---|
| 3968 | P1[j] = curData; |
---|
| 3969 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3970 | } |
---|
| 3971 | } |
---|
| 3972 | cur_data_pos += dim0_offset; |
---|
| 3973 | /* Process Row-1 --> Row-r1-1 */ |
---|
| 3974 | size_t index; |
---|
| 3975 | for (i = 1; i < r1; i++) |
---|
| 3976 | { |
---|
| 3977 | /* Process row-i data 0 */ |
---|
| 3978 | index = i*r2; |
---|
| 3979 | curData = *cur_data_pos; |
---|
| 3980 | pred1D = P1[0]; |
---|
| 3981 | diff = curData - pred1D; |
---|
| 3982 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 3983 | if (itvNum < exe_params->intvCapacity){ |
---|
| 3984 | if (diff < 0) itvNum = -itvNum; |
---|
| 3985 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 3986 | P0[0] = pred1D + 2 * (type[j] - exe_params->intvRadius) * realPrecision; |
---|
| 3987 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 3988 | if(fabs(curData-P0[0])>realPrecision){ |
---|
| 3989 | type[index] = 0; |
---|
| 3990 | P0[0] = curData; |
---|
| 3991 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3992 | } |
---|
| 3993 | } |
---|
| 3994 | else{ |
---|
| 3995 | type[index] = 0; |
---|
| 3996 | P0[0] = curData; |
---|
| 3997 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 3998 | } |
---|
| 3999 | |
---|
| 4000 | /* Process row-i data 1 --> r2-1*/ |
---|
| 4001 | for (j = 1; j < r2; j++) |
---|
| 4002 | { |
---|
| 4003 | index = i*r2+j; |
---|
| 4004 | curData = cur_data_pos[j]; |
---|
| 4005 | pred2D = P0[j-1] + P1[j] - P1[j-1]; |
---|
| 4006 | diff = curData - pred2D; |
---|
| 4007 | itvNum = fabs(diff)/realPrecision + 1; |
---|
| 4008 | if (itvNum < exe_params->intvCapacity) |
---|
| 4009 | { |
---|
| 4010 | if (diff < 0) itvNum = -itvNum; |
---|
| 4011 | type[index] = (int) (itvNum/2) + exe_params->intvRadius; |
---|
| 4012 | P0[j] = pred2D + 2 * (type[index] - exe_params->intvRadius) * realPrecision; |
---|
| 4013 | |
---|
| 4014 | //ganrantee comporession error against the case of machine-epsilon |
---|
| 4015 | if(fabs(curData-P0[j])>realPrecision) |
---|
| 4016 | { |
---|
| 4017 | type[index] = 0; |
---|
| 4018 | P0[j] = curData; |
---|
| 4019 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 4020 | } |
---|
| 4021 | } |
---|
| 4022 | else |
---|
| 4023 | { |
---|
| 4024 | type[index] = 0; |
---|
| 4025 | P0[j] = curData; |
---|
| 4026 | unpredictable_data[unpredictable_count ++] = curData; |
---|
| 4027 | } |
---|
| 4028 | } |
---|
| 4029 | cur_data_pos += dim0_offset; |
---|
| 4030 | |
---|
| 4031 | float *Pt; |
---|
| 4032 | Pt = P1; |
---|
| 4033 | P1 = P0; |
---|
| 4034 | P0 = Pt; |
---|
| 4035 | } |
---|
| 4036 | return unpredictable_count; |
---|
| 4037 | } |
---|
| 4038 | |
---|