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simplify 

Originally committed as revision 8890 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-05-04 21:22:43 +00:00
parent e300ab4ed2
commit fd735e4b77
1 changed files with 2 additions and 3 deletions
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5
libavutil/internal.h
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@ -190,14 +190,13 @@ static inline int ff_sqrt(int a)
{ {
int ret=0; int ret=0;
int s; int s;
int ret_sq=0;
if(a<128) return ff_sqrt_tab[a]; if(a<128) return ff_sqrt_tab[a];
for(s=15; s>=0; s--){ for(s=15; s>=0; s--){
int b= ret_sq + (1<<(s*2)) + (ret<<s)*2; int b= (1<<(s*2)) + (ret<<s)*2;
if(b<=a){ if(b<=a){
ret_sq=b; a-=b;
ret+= 1<<s; ret+= 1<<s;
} }
} }