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Re: [PATCH][BZ #14412] Define __sincos_finite as a fast version of sincos


Siddhesh Poyarekar <siddhesh@redhat.com> writes:

> This patch brings back the assembly implementation of sincos (with
> some changes) to give a fast alternative to the default sincos
> implementation.  This is defined as __sincos_finite and is used if the
> implementing program is compiled with the -ffinite-math-only gcc flag.

This is the wrong approach.  The bug is not about not handling Inf or
NaN in sincos, but allowing inaccurate result from certain finite
numbers.  The -ffinite-math-only switch does not cover the latter.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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