daiduo/TurboPFor-Integer-Compression
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This commit is contained in:
powturbo
2015-06-14 15:42:20 +02:00
parent b19b55a480
commit dde75b9a31
1 changed files with 2 additions and 2 deletions
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4
vint.c
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@ -46,7 +46,7 @@ unsigned char vtab[] = { 1, 2, 1, 3, 1, 2, 1, 4, 1, 2,
// decompress buffer into an array of n unsigned values. Return value = end of decompressed buffer in // decompress buffer into an array of n unsigned values. Return value = end of decompressed buffer in
unsigned char *vbdec(unsigned char *__restrict in, unsigned n, unsigned *__restrict out) { unsigned x,*op; unsigned char *vbdec(unsigned char *__restrict in, unsigned n, unsigned *__restrict out) { unsigned x,*op;
for(op = out; op != out+(n&~(4-1)); op += 4) { for(op = out; op != out+(n&~(4-1)); op += 4) {
vbgeta(in, x, op[0] = x); vbgeta(in, x, op[0] = x);
vbgeta(in, x, op[1] = x); vbgeta(in, x, op[1] = x);
vbgeta(in, x, op[2] = x); vbgeta(in, x, op[2] = x);
@ -58,7 +58,7 @@ unsigned char *vbdec(unsigned char *__restrict in, unsigned n, unsigned *__rest
// encode array with n unsigned (32 bits in[n]) values to the buffer out. Return value = end of compressed buffer out // encode array with n unsigned (32 bits in[n]) values to the buffer out. Return value = end of compressed buffer out
unsigned char *vbenc(unsigned *__restrict in, unsigned n, unsigned char *__restrict out) { unsigned *ip; unsigned char *vbenc(unsigned *__restrict in, unsigned n, unsigned char *__restrict out) { unsigned *ip;
for(ip = in; ip != in+(n&~(4-1)); ) { for(ip = in; ip != in+(n&~(4-1)); ) {
vbput(out, *ip++); vbput(out, *ip++);
vbput(out, *ip++); vbput(out, *ip++);
vbput(out, *ip++); vbput(out, *ip++);