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| author | Joseph Myers <joseph@codesourcery.com> | 2016-06-06 22:10:11 +0000 |
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| committer | Joseph Myers <joseph@codesourcery.com> | 2016-06-06 22:10:11 +0000 |
| commit | af0cfbaf1df1549ca0bc70bd6b4bc54004d11680 (patch) | |
| tree | 098497c0884048b37effc5a287a1a5786c5dd752 /sysdeps/s390/mempcpy.S | |
| parent | c24480ce3b5fed848243fc9642932ef2fa670109 (diff) | |
| download | glibc-af0cfbaf1df1549ca0bc70bd6b4bc54004d11680.tar.gz glibc-af0cfbaf1df1549ca0bc70bd6b4bc54004d11680.tar.xz glibc-af0cfbaf1df1549ca0bc70bd6b4bc54004d11680.zip | |
Fix dbl-64 acos (sNaN) (bug 20212).
The dbl-64 version of acos returns sNaN for sNaN arguments. This patch fixes it to add NaN arguments to themselves so that qNaN is returned in this case. Tested for x86_64 and x86. [BZ #20212] * sysdeps/ieee754/dbl-64/e_asin.c (__ieee754_acos): Add NaN argument to itself. * math/libm-test.inc (acos_test_data): Add sNaN tests.
Diffstat (limited to 'sysdeps/s390/mempcpy.S')
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