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| author | Joseph Myers <joseph@codesourcery.com> | 2012-04-30 18:56:39 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-04-30 18:56:39 +0000 |
| commit | adfbc8ac9e192b6e3007f7a47852df937afa2145 (patch) | |
| tree | 09a345d547258a55e1d410065f9ca09a1bed480c /math | |
| parent | 5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81 (diff) | |
| download | glibc-adfbc8ac9e192b6e3007f7a47852df937afa2145.tar.gz glibc-adfbc8ac9e192b6e3007f7a47852df937afa2145.tar.xz glibc-adfbc8ac9e192b6e3007f7a47852df937afa2145.zip | |
Fix x86 acos near 1 (bug 13942).
Diffstat (limited to 'math')
| -rw-r--r-- | math/libm-test.inc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/math/libm-test.inc b/math/libm-test.inc index bedff09fea..d643badfe2 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -758,6 +758,18 @@ acos_test (void) TEST_f_f (acos, 0.75L, 0.722734247813415611178377352641333362L); TEST_f_f (acos, 2e-17L, 1.57079632679489659923132169163975144L); TEST_f_f (acos, 0.0625L, 1.50825556499840522843072005474337068L); + TEST_f_f (acos, 0x0.ffffffp0L, 3.4526698471620358760324948263873649728491e-4L); + TEST_f_f (acos, -0x0.ffffffp0L, 3.1412473866050770348750401337968641476999L); +#ifndef TEST_FLOAT + TEST_f_f (acos, 0x0.ffffffff8p0L, 1.5258789062648029736620564947844627548516e-5L); + TEST_f_f (acos, -0x0.ffffffff8p0L, 3.1415773948007305904329067627145550395696L); + TEST_f_f (acos, 0x0.ffffffffffffp0L, 8.4293697021788088529885473244391795127130e-8L); + TEST_f_f (acos, -0x0.ffffffffffffp0L, 3.1415925692960962166745548533940296398054L); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64 + TEST_f_f (acos, 0x0.ffffffffffffffffp0L, 3.2927225399135962333718255320079907245059e-10L); + TEST_f_f (acos, -0x0.ffffffffffffffffp0L, 3.1415926532605209844712837599423203309964L); +#endif END (acos); } @@ -933,6 +945,18 @@ asin_test (void) TEST_f_f (asin, 1.0, M_PI_2l); TEST_f_f (asin, -1.0, -M_PI_2l); TEST_f_f (asin, 0.75L, 0.848062078981481008052944338998418080L); + TEST_f_f (asin, 0x0.ffffffp0L, 1.5704510598101804156437184421571127056013L); + TEST_f_f (asin, -0x0.ffffffp0L, -1.5704510598101804156437184421571127056013L); +#ifndef TEST_FLOAT + TEST_f_f (asin, 0x0.ffffffff8p0L, 1.5707810680058339712015850710748035974710L); + TEST_f_f (asin, -0x0.ffffffff8p0L, -1.5707810680058339712015850710748035974710L); + TEST_f_f (asin, 0x0.ffffffffffffp0L, 1.5707962425011995974432331617542781977068L); + TEST_f_f (asin, -0x0.ffffffffffffp0L, -1.5707962425011995974432331617542781977068L); +#endif +#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64 + TEST_f_f (asin, 0x0.ffffffffffffffffp0L, 1.5707963264656243652399620683025688888978L); + TEST_f_f (asin, -0x0.ffffffffffffffffp0L, -1.5707963264656243652399620683025688888978L); +#endif END (asin); } |