]> sourceware.org Git - glibc.git/commit
Fix i386/x86_64 log10l (sNaN) (bug 20228).
authorJoseph Myers <joseph@codesourcery.com>
Wed, 8 Jun 2016 22:59:18 +0000 (22:59 +0000)
committerJoseph Myers <joseph@codesourcery.com>
Wed, 8 Jun 2016 22:59:18 +0000 (22:59 +0000)
commit09096b36152dca599ca781b7299d0d662ca74ce7
treebf45bbe7918449903521e6fd5df5819919f4a606
parentdf179d88080ad7a733edccc655cf5f6bbec6f8fc
Fix i386/x86_64 log10l (sNaN) (bug 20228).

The i386/x86_64 versions of log10l return sNaN for sNaN input.  This
patch fixes them to add a NaN input to itself so that qNaN is returned
in this case.

Tested for x86_64 and x86.

[BZ #20228]
* sysdeps/i386/fpu/e_log10l.S (__ieee754_log10l): Add NaN input to
itself.
* sysdeps/x86_64/fpu/e_log10l.S (__ieee754_log10l): Likewise.
* math/libm-test.inc (log10_test_data): Add sNaN tests.
ChangeLog
math/libm-test.inc
sysdeps/i386/fpu/e_log10l.S
sysdeps/x86_64/fpu/e_log10l.S
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