From: Ken Thompson <ken@golang.org>
Date: Tue, 24 Nov 2009 23:01:44 +0000 (-0800)
Subject: bad sin/cos for large angles.
X-Git-Tag: weekly.2009-12-07~132
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=b2bc1db9acf2796646b71e1d275dabc3b52f1a4c;p=gostls13.git

bad sin/cos for large angles.
fixes #326.

R=rsc
https://golang.org/cl/160059
---

diff --git a/src/pkg/math/sin.go b/src/pkg/math/sin.go
index 70b7218c96..25f6763558 100644
--- a/src/pkg/math/sin.go
+++ b/src/pkg/math/sin.go
@@ -28,7 +28,7 @@ func sinus(x float64, quad int) float64 {
 		var e float64;
 		e, y = Modf(x);
 		e = e + float64(quad);
-		_, f := Modf(0.25 * e);
+		f, _ := Modf(0.25 * e);
 		quad = int(e - 4*f);
 	} else {
 		k := int32(x);