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| author | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-05-07 12:36:22 +0000 |
|---|---|---|
| committer | vlefevre <vlefevre@280ebfd0-de03-0410-8827-d642c229c3f4> | 2012-05-07 12:36:22 +0000 |
| commit | 8183f455ab882c8f22e3350ef4b56c22a400fe67 (patch) | |
| tree | b6a247ef83fbdfa5ff108ea22132ef9686567785 /tests/tgamma.c | |
| parent | e96e68b27d908c07382cbb0d1cf981b32bb8bdfd (diff) | |
| download | mpfr-8183f455ab882c8f22e3350ef4b56c22a400fe67.tar.gz | |
[tests/tgamma.c] Added tests for 32-bit and 64-bit machines, showing an
underflow detection bug in gamma.c (see FIXME comment added in r8185).
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@8197 280ebfd0-de03-0410-8827-d642c229c3f4
Diffstat (limited to 'tests/tgamma.c')
| -rw-r--r-- | tests/tgamma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/tgamma.c b/tests/tgamma.c index e699614e6..3d3e972ac 100644 --- a/tests/tgamma.c +++ b/tests/tgamma.c @@ -1030,6 +1030,13 @@ exp_lgamma_tests (void) Revision r8189 fails on 64-bit machines as the flag is unset. */ mpfr_set_str (x, "1.2b13fc45a92ded8@14", 16, MPFR_RNDN); exp_lgamma (x, 53, 64); + /* On the following tests, with r8196, one gets an underflow on + 32-bit machines, while a normal result is expected (see FIXME + in gamma.c:382). */ + mpfr_set_str (x, "-2ab68d6.657542f855111c6104", 16, MPFR_RNDN); + exp_lgamma (x, 12, 64); /* failure on 32-bit machines */ + mpfr_set_str (x, "-12b13fc45a92deb.1c6c5bc964", 16, MPFR_RNDN); + exp_lgamma (x, 12, 64); /* failure on 64-bit machines */ mpfr_clear (x); set_emin (emin); |