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Generate slightly more accurate WMOPS figures

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This commit is contained in:
Jean-Marc Valin 2008-09-12 20:52:27 -04:00
parent 7b0cb4ba0d
commit 453ccd829a
5 changed files with 96 additions and 37 deletions
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5
libcelt/cwrs.c
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@ -47,6 +47,7 @@
#include <string.h>
#include "cwrs.h"
#include "mathops.h"
#include "arch.h"
#if 0
int log2_frac(ec_uint32 val, int frac)
@ -147,7 +148,7 @@ static inline void unext32(celt_uint32_t *_ui,int _len,celt_uint32_t _ui0){
int j;
/* doing a do-while would overrun the array if we had less than 2 samples */
j=1; do {
ui1=_ui[j]+_ui[j-1]+_ui0;
ui1=UADD32(UADD32(_ui[j],_ui[j-1]),_ui0);
_ui[j-1]=_ui0;
_ui0=ui1;
} while (++j<_len);
@ -174,7 +175,7 @@ static inline void uprev32(celt_uint32_t *_ui,int _n,celt_uint32_t _ui0){
int j;
/* doing a do-while would overrun the array if we had less than 2 samples */
j=1; do {
ui1=_ui[j]-_ui[j-1]-_ui0;
ui1=USUB32(USUB32(_ui[j],_ui[j-1]),_ui0);
_ui[j-1]=_ui0;
_ui0=ui1;
} while (++j<_n);