On Tue, Dec 29, 2015 at 3:18 PM, Aaron Watry <[email protected]> wrote: > Regardless of whether 0.0 is the absolutely correct answer for > cos(1.57079632679), we can hopefully all agree that -4.0 is NOT a valid > answer for cosine of anything
Right so that's clearly wrong :) I was largely warning you about some of the issues we ran into trying to compute ULPs, and especially combining them with each other. The GL_ARB_shader_precision text is quite precise and similarly difficult to test -- e.g. fma() is allowed to be fused or non-fused, at the implementation's option. But that causes all sorts of results to be way different. Perhaps you don't have these issues in the OpenCL specs. -ilia _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
