[Bug 51421] New: sin and cos is broken

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=51421

             Bug #: 51421
           Summary: sin and cos is broken
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/i915g
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: cme3000 at gmail.com


sin is broken with negative values
it just renders on the right side of the screen in shaders like 
http://glsl.heroku.com/e#2465.1

cos seems to be broken, too, just replace sin with cos on that web page.

mesa: git-d105654
OS: Debian unstable, kernel 3.4

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