[Bug math/13304] fma, fmaf, fmal produce wrong results

[bruno at clisp dot org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13304

--- Comment #21 from Bruno Haible <bruno at clisp dot org> 2011-10-17 09:14:27 UTC ---
Please add the first attachment to glibc's test suite.
I see 6 different implementations of fma(), 4 implementations of fmaf(),
and 4 implementations of fmal() in the glibc source code.
How can you guarantee that all of them are thoroughly tested?

The ones in math/s_fma.c, math/s_fmaf.c, math/s_fmal.c are definitely buggy.

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