Update lmms_math.h

better sqrt
2014-11-30 00:42:35 +02:00
parent 1421631f26
commit 5e6482e17b
1 changed files with 1 additions and 1 deletions
--- a/include/lmms_math.h
+++ b/include/lmms_math.h
@@ -232,7 +232,7 @@ static inline float sqrt_neg( float val )
 float fastSqrt( float n )
 {
    int i = *(int*) &n;
-    i = ( ( i - ( 1 << 23 ) ) >> 1 ) + ( 1 << 29 ); 
+    i = ( i + ( 127 << 23 ) ) >> 1;
    return *(float*) &i;
 }