Module: Mesa Branch: master Commit: 3d038a3ed2d8325c4b826f13b62398b3ed33f3ba URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3d038a3ed2d8325c4b826f13b62398b3ed33f3ba
Author: Brian Paul <bri...@vmware.com> Date: Thu Aug 5 16:38:22 2010 -0600 glsl: fix atan(0, -1) Fixes fd.o bug 29388 NOTE: this is a candidate for the 7.8 branch. --- src/mesa/slang/library/slang_common_builtin.gc | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/mesa/slang/library/slang_common_builtin.gc b/src/mesa/slang/library/slang_common_builtin.gc index d75354d..1f5ddbc 100644 --- a/src/mesa/slang/library/slang_common_builtin.gc +++ b/src/mesa/slang/library/slang_common_builtin.gc @@ -411,7 +411,7 @@ float atan(const float y, const float x) if (abs(x) > 1.0e-4) { r = atan(y / x); if (x < 0.0) { - r = r + sign(y) * 3.141593; + r = r + 3.141593 - 6.283186 * float(y < 0.0); } } else { _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit