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| author | Joseph Myers <joseph@codesourcery.com> | 2012-03-02 20:51:39 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-03-02 20:51:39 +0000 |
| commit | 804360ed837e3347c9cd9738f25345d2587a1242 (patch) | |
| tree | e2e9d62c3198feedb7dbd8c8ac5ff1bf0bf66275 /ChangeLog | |
| parent | a6d06d7b86f724046b462115556d0df682f9f703 (diff) | |
| download | glibc-804360ed837e3347c9cd9738f25345d2587a1242.tar glibc-804360ed837e3347c9cd9738f25345d2587a1242.tar.gz glibc-804360ed837e3347c9cd9738f25345d2587a1242.tar.bz2 glibc-804360ed837e3347c9cd9738f25345d2587a1242.zip | |
Fix sin, cos, tan in non-default rounding modes (bug 3976).
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 26 |
1 files changed, 26 insertions, 0 deletions
@@ -1,5 +1,31 @@ 2012-03-02 Joseph Myers <joseph@codesourcery.com> + [BZ #3976] + * sysdeps/ieee754/dbl-64/s_sin.c: Include <fenv.h> + (__sin): Save and restore rounding mode and use round-to-nearest + for all computations. + (__cos): Save and restore rounding mode and use round-to-nearest + for all computations. + * sysdeps/ieee754/dbl-64/s_tan.c: Include "math_private.h" and + <fenv.h>. + (tan): Save and restore rounding mode and use round-to-nearest for + all computations. + * math/libm-test.inc (cos_test_tonearest): New function. + (cos_test_towardzero): Likewise. + (cos_test_downward): Likewise. + (cos_test_upward): Likewise. + (sin_test_tonearest): Likewise. + (sin_test_towardzero): Likewise. + (sin_test_downward): Likewise. + (sin_test_upward): Likewise. + (tan_test_tonearest): Likewise. + (tan_test_towardzero): Likewise. + (tan_test_downward): Likewise. + (tan_test_upward): Likewise. + (main): Call the new functions. + * sysdeps/i386/fpu/libm-test-ulps: Update. + * sysdeps/x86_64/fpu/libm-test-ulps: Likewise. + [BZ #10135] * sysdeps/ieee754/dbl-64/s_scalbln.c (__scalbln): First test for small n, then large n, before computing and testing k+n. |