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Should make celt_maxabs*() slightly faster

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shorter dependencies
This commit is contained in:
Jean-Marc Valin 2012-11-06 00:24:46 -05:00
parent f22af9cfcb
commit 702458ac82
1 changed files with 12 additions and 4 deletions
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16
celt/mathops.h
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@ -48,9 +48,13 @@ static inline opus_val16 celt_maxabs16(const opus_val16 *x, int len)
{ {
int i; int i;
opus_val16 maxval = 0; opus_val16 maxval = 0;
opus_val16 minval = 0;
for (i=0;i<len;i++) for (i=0;i<len;i++)
maxval = MAX16(maxval, ABS16(x[i])); {
return maxval; maxval = MAX16(maxval, x[i]);
minval = MIN16(minval, x[i]);
}
return MAX16(maxval,-minval);
} }
#endif #endif
@ -60,9 +64,13 @@ static inline opus_val32 celt_maxabs32(const opus_val32 *x, int len)
{ {
int i; int i;
opus_val32 maxval = 0; opus_val32 maxval = 0;
opus_val32 minval = 0;
for (i=0;i<len;i++) for (i=0;i<len;i++)
maxval = MAX32(maxval, ABS32(x[i])); {
return maxval; maxval = MAX32(maxval, x[i]);
minval = MIN32(minval, x[i]);
}
return MAX32(maxval, -minval);
} }
#else #else
#define celt_maxabs32(x,len) celt_maxabs16(x,len) #define celt_maxabs32(x,len) celt_maxabs16(x,len)