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g723.1: cleanup square_root()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Vitor Sessak 2011-09-29 21:28:18 +02:00 committed by Michael Niedermayer
parent c02c52f7b2
commit 6e505547f1
1 changed files with 1 additions and 11 deletions
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12
libavcodec/g723_1.c
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@ -196,17 +196,7 @@ static int unpack_bitstream(G723_1_Context *p, const uint8_t *buf,
*/
static int16_t square_root(int val)
{
int16_t res = 0;
int16_t exp = 0x4000;
int i;
for (i = 0; i < 14; i ++) {
int res_exp = res + exp;
if (val >= res_exp * res_exp << 1)
res += exp;
exp >>= 1;
}
return res;
return (ff_sqrt(val << 1) >> 1) & (~1);
}
/**