1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include "streamvbyte.h"
int main() {
int N = 5000;
uint32_t * datain = malloc(N * sizeof(uint32_t));
uint8_t * compressedbuffer = malloc(streamvbyte_max_compressedbytes(N));
uint32_t * recovdata = malloc(N * sizeof(uint32_t));
for (int k = 0; k < N; ++k)
datain[k] = 120;
size_t compsize = streamvbyte_encode(datain, N, compressedbuffer); // encoding
// here the result is stored in compressedbuffer using compsize bytes
size_t compsize2 = streamvbyte_decode(compressedbuffer, recovdata,
N); // decoding (fast)
assert(compsize == compsize2);
free(datain);
free(compressedbuffer);
free(recovdata);
printf("Compressed %d integers down to %d bytes.\n",N,(int) compsize);
return 0;
}
|
