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copysignf() was C99-only

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This commit is contained in:
Jean-Marc Valin 2012-10-09 19:13:04 -04:00
parent 02dcf6aad8
commit b2e19ecd0c
1 changed files with 4 additions and 4 deletions
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8
src/analysis.c
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@ -123,15 +123,15 @@ static inline float fast_atan2f(float y, float x) {
if(x2<y2){
float den = (y2 + cB*x2) * (y2 + cC*x2);
if (den!=0)
return -x*y*(y2 + cA*x2) / den + copysignf(cE,y);
return -x*y*(y2 + cA*x2) / den + (y<0 ? -cE : cE);
else
return copysignf(cE,y);
return (y<0 ? -cE : cE);
}else{
float den = (x2 + cB*y2) * (x2 + cC*y2);
if (den!=0)
return x*y*(x2 + cA*y2) / den + copysignf(cE,y) - copysignf(cE,x*y);
return x*y*(x2 + cA*y2) / den + (y<0 ? -cE : cE) - (x*y<0 ? -cE : cE);
else
return copysignf(cE,y) - copysignf(cE,x*y);
return (y<0 ? -cE : cE) - (x*y<0 ? -cE : cE);
}
}