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minor refactor

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This commit is contained in:
Yann Collet
2016-04-11 01:20:14 +02:00
parent c456077066
commit c51aa6ccce
1 changed files with 7 additions and 7 deletions
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14
programs/datagen.c
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@ -193,26 +193,26 @@ void RDG_genBuffer(void* buffer, size_t size, double matchProba, double litProba
#define RDG_DICTSIZE (32 KB) #define RDG_DICTSIZE (32 KB)
#define RDG_BLOCKSIZE (128 KB) #define RDG_BLOCKSIZE (128 KB)
#define MIN(a,b) ( (a) < (b) ? (a) : (b) )
void RDG_genStdout(unsigned long long size, double matchProba, double litProba, unsigned seed) void RDG_genStdout(unsigned long long size, double matchProba, double litProba, unsigned seed)
{ {
BYTE* buff = (BYTE*)malloc(RDG_DICTSIZE + RDG_BLOCKSIZE); BYTE* buff = (BYTE*)malloc(RDG_DICTSIZE + RDG_BLOCKSIZE);
U64 total = 0; U64 total = 0;
size_t genBlockSize = RDG_BLOCKSIZE; litDistribTable ldt;
litDistribTable lt;
/* init */ /* init */
if (buff==NULL) { fprintf(stdout, "not enough memory\n"); exit(1); } if (buff==NULL) { fprintf(stdout, "not enough memory\n"); exit(1); }
if (litProba==0.0) litProba = matchProba / 4.5; if (litProba<=0.0) litProba = matchProba / 4.5;
RDG_fillLiteralDistrib(lt, litProba); RDG_fillLiteralDistrib(ldt, litProba);
SET_BINARY_MODE(stdout); SET_BINARY_MODE(stdout);
/* Generate initial dict */ /* Generate initial dict */
RDG_genBlock(buff, RDG_DICTSIZE, 0, matchProba, lt, &seed); RDG_genBlock(buff, RDG_DICTSIZE, 0, matchProba, ldt, &seed);
/* Generate compressible data */ /* Generate compressible data */
while (total < size) { while (total < size) {
RDG_genBlock(buff, RDG_DICTSIZE+RDG_BLOCKSIZE, RDG_DICTSIZE, matchProba, lt, &seed); size_t const genBlockSize = MIN (RDG_BLOCKSIZE, size-total);
if (size-total < RDG_BLOCKSIZE) genBlockSize = (size_t)(size-total); RDG_genBlock(buff, RDG_DICTSIZE+RDG_BLOCKSIZE, RDG_DICTSIZE, matchProba, ldt, &seed);
total += genBlockSize; total += genBlockSize;
{ size_t const unused = fwrite(buff, 1, genBlockSize, stdout); (void)unused; } { size_t const unused = fwrite(buff, 1, genBlockSize, stdout); (void)unused; }
/* update dict */ /* update dict */