[PATCH] D28508: [NVPTX] Implement NVPTXTargetLowering::getSqrtEstimate.

Justin Lebar via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Jan 30 14:25:06 PST 2017

jlebar added a comment.

All right, I think this should work.  I verified by hand that the approximation routines do something sane --namely, that when the error is zero, we get the intended exact result.  I don't have the numerical chops to say whether it's actually a refinement or not...  :)


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