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| author | Joseph Myers <joseph@codesourcery.com> | 2013-01-17 20:25:51 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2013-01-17 20:25:51 +0000 |
| commit | 728d7b43fc8a4f9b3ec772fd8b75a39b945e9f04 (patch) | |
| tree | 4033b2b21fd505dc1b607ea1ed589818fe838ef2 /sysdeps | |
| parent | 2a26ef3a012cc29623423ca52c1cc8001d847d54 (diff) | |
| download | glibc-728d7b43fc8a4f9b3ec772fd8b75a39b945e9f04.tar.gz glibc-728d7b43fc8a4f9b3ec772fd8b75a39b945e9f04.tar.xz glibc-728d7b43fc8a4f9b3ec772fd8b75a39b945e9f04.zip | |
Fix cacos real-part inaccuracy for result real part near 0 (bug 15023).
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 6 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index 3fc30de462..1525b16f37 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -303,6 +303,12 @@ float: 1 ifloat: 1 ildouble: 2 ldouble: 2 +Test "Imaginary part of: cacos (0x1.fp1023 + 0x1.fp1023 i) == 7.853981633974483096156608458198757210493e-1 - 7.107906849659093345062145442726115449315e2 i": +double: 1 +idouble: 1 +Test "Imaginary part of: cacos (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 - 8.973081118419833726837456344608533993585e1 i": +double: 1 +idouble: 1 Test "Imaginary part of: cacos (1.5 + +0 i) == +0 - 0.9624236501192068949955178268487368462704 i": double: 1 float: 1 diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 95b6aec81e..63c6aed2a5 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -244,6 +244,12 @@ ifloat: 1 Test "Imaginary part of: cacos (-0 - 1.5 i) == pi/2 + 1.194763217287109304111930828519090523536 i": double: 1 idouble: 1 +Test "Real part of: cacos (-1.0 + 0x1p50 i) == 1.570796326794897507409741391764983781004 - 3.535050620855721078027883819436759661753e1 i": +float: 1 +ifloat: 1 +Test "Real part of: cacos (-1.0 - 0x1p50 i) == 1.570796326794897507409741391764983781004 + 3.535050620855721078027883819436759661753e1 i": +float: 1 +ifloat: 1 Test "Imaginary part of: cacos (-1.5 + +0 i) == pi - 0.9624236501192068949955178268487368462704 i": double: 1 float: 1 @@ -254,6 +260,9 @@ ldouble: 1 Test "Imaginary part of: cacos (-1.5 - 0 i) == pi + 0.9624236501192068949955178268487368462704 i": ildouble: 1 ldouble: 1 +Test "Real part of: cacos (-2 - 3 i) == 2.1414491111159960199416055713254211 + 1.9833870299165354323470769028940395 i": +float: 1 +ifloat: 1 Test "Real part of: cacos (0.5 + +0 i) == 1.047197551196597746154214461093167628066 - 0 i": double: 1 idouble: 1 @@ -272,6 +281,12 @@ float: 1 ifloat: 1 ildouble: 2 ldouble: 2 +Test "Imaginary part of: cacos (0x1.fp1023 + 0x1.fp1023 i) == 7.853981633974483096156608458198757210493e-1 - 7.107906849659093345062145442726115449315e2 i": +double: 1 +idouble: 1 +Test "Imaginary part of: cacos (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 - 8.973081118419833726837456344608533993585e1 i": +double: 1 +idouble: 1 Test "Imaginary part of: cacos (1.5 + +0 i) == +0 - 0.9624236501192068949955178268487368462704 i": double: 1 float: 1 |