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fixed-point: intra_fold() converted

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This commit is contained in:
Jean-Marc Valin 2008-03-07 17:05:47 +11:00
parent 000973f7e2
commit ec9b6df35d
1 changed files with 4 additions and 4 deletions
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8
libcelt/vq.c
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@ -484,9 +484,9 @@ void intra_fold(celt_norm_t *x, int N, celt_norm_t *Y, celt_norm_t *P, int B, in
{
int i, j;
celt_word32_t E;
float g;
celt_word16_t g;
E = 1e-10;
E = EPSILON;
if (N0 >= Nmax/2)
{
for (i=0;i<B;i++)
@ -504,9 +504,9 @@ void intra_fold(celt_norm_t *x, int N, celt_norm_t *Y, celt_norm_t *P, int B, in
E = MAC16_16(E, P[j],P[j]);
}
}
g = NORM_SCALING/sqrt(E);
g = DIV32_16(SHL32(EXTEND32(1),14+8),celt_sqrt(E));
for (j=0;j<N;j++)
P[j] *= g;
P[j] = PSHR32(MULT16_16(g, P[j]),8);
for (j=0;j<N;j++)
x[j] = P[j];
}