|
|
|
@ -7,14 +7,20 @@ void chunk_array_free(chunk_array_t* chunk_array) {
|
|
|
|
|
free(chunk_array);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool chunk_array_update_read(chunk_array_t* chunk_array) {
|
|
|
|
|
bool chunk_array_update_read(chunk_array_t* chunk_array, size_t pos) {
|
|
|
|
|
|
|
|
|
|
int init_pos = pos/chunk_array->chunk_size;
|
|
|
|
|
|
|
|
|
|
fseek(chunk_array->fp, init_pos * chunk_array->chunk_size * sizeof(double), SEEK_SET);
|
|
|
|
|
|
|
|
|
|
size_t newLen = fread(chunk_array->data, sizeof(double), chunk_array->chunk_size, chunk_array->fp);
|
|
|
|
|
chunk_array->init_pos += newLen;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
bool chunk_array_get(chunk_array_t* chunk_array, size_t pos, double *valor) {
|
|
|
|
|
if (pos>((chunk_array->init_pos + chunk_array->chunk_size)-1)) {
|
|
|
|
|
chunk_array_update_read(chunk_array);
|
|
|
|
|
chunk_array_update_read(chunk_array, pos);
|
|
|
|
|
}
|
|
|
|
|
*valor=chunk_array->data[pos%chunk_array->chunk_size];
|
|
|
|
|
return true;
|
|
|
|
@ -27,6 +33,7 @@ bool chunk_array_save(chunk_array_t* chunk_array, size_t pos, double valor) {
|
|
|
|
|
chunk_array->data[pos%chunk_array->chunk_size]=valor;
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
chunk_array_t* chunk_array_create(char* filename, size_t total_size, size_t chunk_size) {
|
|
|
|
|
chunk_array_t* chunk_array = (chunk_array_t*)malloc(sizeof(chunk_array_t));
|
|
|
|
@ -56,6 +63,7 @@ void chunk_array_read(chunk_array_t* chunk_array) {
|
|
|
|
|
size_t newLen = fread(chunk_array->data, sizeof(double), chunk_array->chunk_size, chunk_array->fp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
void chunk_array_write(chunk_array_t* chunk_array, char* filename) {
|
|
|
|
|
chunk_array->fp = fopen(filename, "w");
|
|
|
|
|
if (chunk_array->fp == NULL) {
|
|
|
|
@ -63,9 +71,22 @@ void chunk_array_write(chunk_array_t* chunk_array, char* filename) {
|
|
|
|
|
chunk_array->fp = fopen(filename, "w");
|
|
|
|
|
}
|
|
|
|
|
chunk_array->init_pos = 0;
|
|
|
|
|
}
|
|
|
|
|
}*/
|
|
|
|
|
|
|
|
|
|
void chunk_array_flush(chunk_array_t* chunk_array) {
|
|
|
|
|
size_t newLen = fwrite(chunk_array->data, sizeof(double), chunk_array->chunk_size, chunk_array->fp);
|
|
|
|
|
chunk_array->init_pos += newLen;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool chunk_array_get(chunk_array_t* chunk_array, size_t pos, double *valor) {
|
|
|
|
|
fseek(chunk_array->fp, pos * sizeof(double), SEEK_SET);
|
|
|
|
|
fread(valor, sizeof(double), 1, chunk_array->fp);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool chunk_array_save(chunk_array_t* chunk_array, size_t pos, double valor) {
|
|
|
|
|
fseek(chunk_array->fp, pos * sizeof(double), SEEK_SET);
|
|
|
|
|
fwrite(&valor, sizeof(double), 1, chunk_array->fp);
|
|
|
|
|
return true;
|
|
|
|
|
}
|