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Minor simplification to exp_rotation().

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This commit is contained in:
Timothy B. Terriberry 2010-08-06 17:05:53 -07:00 • committed by Jean-Marc Valin
parent f412a99e2a
commit 828da91d66
1 changed files with 5 additions and 7 deletions
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12
libcelt/vq.c
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@ -50,12 +50,10 @@ static celt_uint32 lcg_rand(celt_uint32 seed)
return 1664525 * seed + 1013904223;
}
static void exp_rotation1(celt_norm *X, int len, int dir, int stride, celt_word16 c, celt_word16 s)
static void exp_rotation1(celt_norm *X, int len, int stride, celt_word16 c, celt_word16 s)
{
int i;
celt_norm *Xptr;
if (dir>0)
s = -s;
Xptr = X;
for (i=0;i<len-stride;i++)
{
@ -114,12 +112,12 @@ static void exp_rotation(celt_norm *X, int len, int dir, int stride, int K)
if (dir < 0)
{
if (stride2)
exp_rotation1(X+i*len, len, dir, stride2, s, c);
exp_rotation1(X+i*len, len, dir, 1, c, s);
exp_rotation1(X+i*len, len, stride2, s, c);
exp_rotation1(X+i*len, len, 1, c, s);
} else {
exp_rotation1(X+i*len, len, dir, 1, c, s);
exp_rotation1(X+i*len, len, 1, c, -s);
if (stride2)
exp_rotation1(X+i*len, len, dir, stride2, s, c);
exp_rotation1(X+i*len, len, stride2, s, -c);
}
}
/*if (len>=30)