[Mesa-dev] [Bug 108856] floating-point-exceptions in gallium/auxiliary/tgsi/ functions

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Nov 26 14:50:21 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=108856

--- Comment #2 from popinet at basilisk.fr ---
Thanks for your quick reply.

IMHO a numerical algorithm/code which uses the results from undefined
mathematical operations should be considered wrong.

In effect, I believe that the default floating-point environment you refer to
should be FPE on. I realise that this would break a (probably large) number of
numerical libraries, and is thus not possible, however this should not be an
excuse to keep implementing libraries ignoring undefined operations.

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