source: thirdparty/SZ/sz/src/DynamicFloatArray.c @ 2c47b73

/**
 *  @file DynamicFloatArray.c
 *  @author Sheng Di
 *  @date May, 2016
 *  @brief Dynamic Float Array
 *  (C) 2015 by Mathematics and Computer Science (MCS), Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */

#include <stdlib.h> 
#include <stdio.h>
#include <string.h>
#include "DynamicFloatArray.h"

void new_DFA(DynamicFloatArray **dfa, size_t cap) {
                *dfa = (DynamicFloatArray *)malloc(sizeof(DynamicFloatArray));
        (*dfa)->size = 0;
        (*dfa)->capacity = cap;
        (*dfa)->array = (float*)malloc(sizeof(float)*cap);
    }

void convertDFAtoFloats(DynamicFloatArray *dfa, float **data)
{
        int size = dfa->size;
        if(size>0)
                *data = (float*)malloc(size * sizeof(float));
        else
                *data = NULL;
        memcpy(*data, dfa->array, size*sizeof(float));  
}

void free_DFA(DynamicFloatArray *dfa)
{
        free(dfa->array);
        free(dfa);
}

float getDFA_Data(DynamicFloatArray *dfa, size_t pos)
{
        if(pos>=dfa->size)
        {
                printf("Error: wrong position of DIA.\n");
                exit(0);
        }
        return dfa->array[pos];
}

void addDFA_Data(DynamicFloatArray *dfa, float value)
{
        if(dfa->size==dfa->capacity)
        {
                dfa->capacity *= 2;
                dfa->array = (float *)realloc(dfa->array, dfa->capacity*sizeof(float));
        }
        dfa->array[dfa->size] = value;
        dfa->size++;
}