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| author | Joseph Myers <joseph@codesourcery.com> | 2016-06-08 21:02:40 +0000 |
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| committer | Joseph Myers <joseph@codesourcery.com> | 2016-06-08 21:02:40 +0000 |
| commit | 40720ec9f98d57214d73d6fa98019e684f2eb45a (patch) | |
| tree | 2c73ae577c76260bc804a986f638f67f5ef429c0 /pwd/fgetpwent_r.c | |
| parent | c867597bff2562180a18da4b8dba89d24e8b65c4 (diff) | |
| download | glibc-40720ec9f98d57214d73d6fa98019e684f2eb45a.tar.gz glibc-40720ec9f98d57214d73d6fa98019e684f2eb45a.tar.xz glibc-40720ec9f98d57214d73d6fa98019e684f2eb45a.zip | |
Fix i386 cbrtl (sNaN) (bug 20224).
The i386 version of cbrtl returns sNaN (without raising any exceptions) for sNaN input. This patch fixes it to add non-finite arguments to themselves (the code path in question is also reached for zero arguments, for which adding them to themselves is also harmless), so that "invalid" is raised and qNaN returned. Tested for x86_64 and x86. [BZ #20224] * sysdeps/i386/fpu/s_cbrtl.S (__cbrtl): Add non-finite or zero argument to itself. * math/libm-test.inc (cbrt_test_data): Add sNaN tests.
Diffstat (limited to 'pwd/fgetpwent_r.c')
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