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| author | das <das@FreeBSD.org> | 2008-08-02 19:21:33 +0000 |
|---|---|---|
| committer | das <das@FreeBSD.org> | 2008-08-02 19:21:33 +0000 |
| commit | f97e361aa33ce68aa514d8462c10ad4e1bc2186f (patch) | |
| tree | 54e7b7f87b407e2faa6fdabcad91316ec43ed561 /tools/regression/lib | |
| parent | 9df7b1ac5c081557d761b1e0135a16f782e21354 (diff) | |
| download | FreeBSD-src-f97e361aa33ce68aa514d8462c10ad4e1bc2186f.zip FreeBSD-src-f97e361aa33ce68aa514d8462c10ad4e1bc2186f.tar.gz | |
Test that the result is correctly rounded when |y/x| is huge.
Diffstat (limited to 'tools/regression/lib')
| -rw-r--r-- | tools/regression/lib/msun/test-invtrig.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/tools/regression/lib/msun/test-invtrig.c b/tools/regression/lib/msun/test-invtrig.c index 0eddb97..5900f5b 100644 --- a/tools/regression/lib/msun/test-invtrig.c +++ b/tools/regression/lib/msun/test-invtrig.c @@ -362,22 +362,15 @@ test_atan_huge(void) test2(atan2, -0x1.0p1000, 0x1.0p-1000, (double)-pi / 2, FE_INEXACT); test2(atan2l, -ldexpl(1.0, LDBL_MAX_EXP - 100), ldexpl(1.0, 100 - LDBL_MAX_EXP), -pi / 2, FE_INEXACT); - /* - * XXX We ought to be able to insist that these are correctly rounded, - * but that isn't true in practice. - */ - test2_tol(atan2f, 0x1.0p100, -0x1.0p-100, (float)pi / 2, - 1, FE_INEXACT); - test2_tol(atan2, 0x1.0p1000, -0x1.0p-1000, (double)pi / 2, - 1, FE_INEXACT); - test2_tol(atan2l, ldexpl(1.0, LDBL_MAX_EXP - 100), - -ldexpl(1.0, 100 - LDBL_MAX_EXP), pi / 2, 0, FE_INEXACT); - test2_tol(atan2f, -0x1.0p100, -0x1.0p-100, (float)-pi / 2, - 1, FE_INEXACT); - test2_tol(atan2, -0x1.0p1000, -0x1.0p-1000, (double)-pi / 2, - 1, FE_INEXACT); - test2_tol(atan2l, -ldexpl(1.0, LDBL_MAX_EXP - 100), - -ldexpl(1.0, 100 - LDBL_MAX_EXP), -pi / 2, 1, FE_INEXACT); + + test2(atan2f, 0x1.0p100, -0x1.0p-100, (float)pi / 2, FE_INEXACT); + test2(atan2, 0x1.0p1000, -0x1.0p-1000, (double)pi / 2, FE_INEXACT); + test2(atan2l, ldexpl(1.0, LDBL_MAX_EXP - 100), + -ldexpl(1.0, 100 - LDBL_MAX_EXP), pi / 2, FE_INEXACT); + test2(atan2f, -0x1.0p100, -0x1.0p-100, (float)-pi / 2, FE_INEXACT); + test2(atan2, -0x1.0p1000, -0x1.0p-1000, (double)-pi / 2, FE_INEXACT); + test2(atan2l, -ldexpl(1.0, LDBL_MAX_EXP - 100), + -ldexpl(1.0, 100 - LDBL_MAX_EXP), -pi / 2, FE_INEXACT); } /* |
