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author | Bruno Haible <bruno@clisp.org> | 2010-01-25 02:03:44 +0100 |
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committer | Bruno Haible <bruno@clisp.org> | 2010-01-25 02:03:44 +0100 |
commit | b33bea15e9e34cd55032c196d76321d151e1f382 (patch) | |
tree | 215e4bd1e4859da3a8292d431ab536825a913384 /tests/test-erf.c | |
parent | 99c285f793a0d9eb1e0c20e56646c394482cd55d (diff) | |
download | gnulib-b33bea15e9e34cd55032c196d76321d151e1f382.tar.gz |
Tests for module 'erf'.
Diffstat (limited to 'tests/test-erf.c')
-rw-r--r-- | tests/test-erf.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/tests/test-erf.c b/tests/test-erf.c new file mode 100644 index 0000000000..d23f12ed95 --- /dev/null +++ b/tests/test-erf.c @@ -0,0 +1,40 @@ +/* Test of erf() function. + Copyright (C) 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2010. */ + +#include <config.h> + +#include <math.h> + +#include "signature.h" +SIGNATURE_CHECK (erf, double, (double)); + +#include "macros.h" + +volatile double x; +double y; + +int +main () +{ + /* A particular value. */ + x = 0.6; + y = erf (x); + ASSERT (y >= 0.6038560908 && y <= 0.6038560909); + + return 0; +} |