X-Git-Url: https://git.sesse.net/?p=fjl;a=blobdiff_plain;f=idct_float.c;h=34ff5b690cabb463f1e156ba573b6cd3e865895c;hp=ede97cda9951a598f714e4d5b453dfe15b1115af;hb=a4009687c73083dd0290285a065740a83e27e855;hpb=0e688f0b5db93745648802bdf1c96d0d526eb9ff

diff --git a/idct_float.c b/idct_float.c
index ede97cd..34ff5b6 100644
--- a/idct_float.c
+++ b/idct_float.c
@@ -50,9 +50,11 @@ static inline void idct1d_float(double y0, double y1, double y2, double y3, doub
 	// constants
 	static const double a1 = 0.7071067811865474;   // sqrt(2)
 	static const double a2 = 0.5411961001461971;   // cos(3/8 pi) * sqrt(2)
-	static const double a3 = a1;
+	// static const double a3 = a1;
+	static const double a3 = 0.7071067811865474;
 	static const double a4 = 1.3065629648763766;   // cos(pi/8) * sqrt(2)
-	static const double a5 = 0.5 * (a4 - a2);
+	// static const double a5 = 0.5 * (a4 - a2);
+	static const double a5 = 0.3826834323650897;
 
 	// phase 1
 	const double p1_0 = y0;