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| author | David S. Miller <davem@davemloft.net> | 2012-11-19 15:26:52 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-19 15:31:24 -0800 |
| commit | 6d33cc9d9bde501e0906c42ee396d42cb4ca603c (patch) | |
| tree | fa106d1ac0b43e69180ba0e497321d56210d4a92 /sysdeps/x86_64/fpu | |
| parent | 877f2d8e8def5a278e4b9f4e4dc378f7f8a653b8 (diff) | |
| download | glibc-6d33cc9d9bde501e0906c42ee396d42cb4ca603c.tar.gz glibc-6d33cc9d9bde501e0906c42ee396d42cb4ca603c.tar.xz glibc-6d33cc9d9bde501e0906c42ee396d42cb4ca603c.zip | |
Fix spurious underflows in ldbl-128 atan implementation.
With help from Joseph Myers. * sysdeps/ieee754/ldbl-128/s_atanl.c (__atanl): Handle tiny and very large arguments properly. * math/libm-test.inc (atan_test): New tests. (atan2_test): New tests. * sysdeps/sparc/fpu/libm-test-ulps: Update. * sysdeps/x86_64/fpu/libm-test-ulps: Update.
Diffstat (limited to 'sysdeps/x86_64/fpu')
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 4767be94db..f33dfed3df 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -162,6 +162,9 @@ ldouble: 1 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025": float: 1 ifloat: 1 +Test "atan2 (-max_value, -min_value) == -pi/2": +float: 1 +ifloat: 1 Test "atan2 (0.75, -1.0) == 2.49809154479650885165983415456218025": float: 1 ifloat: 1 |