mirror of https://git.ffmpeg.org/ffmpeg.git
simplify
Originally committed as revision 8890 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
parent
e300ab4ed2
commit
fd735e4b77
|
@ -190,14 +190,13 @@ static inline int ff_sqrt(int a)
|
|||
{
|
||||
int ret=0;
|
||||
int s;
|
||||
int ret_sq=0;
|
||||
|
||||
if(a<128) return ff_sqrt_tab[a];
|
||||
|
||||
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){
|
||||
ret_sq=b;
|
||||
a-=b;
|
||||
ret+= 1<<s;
|
||||
}
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue