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author | Bruno Haible <bruno@clisp.org> | 2010-01-25 02:21:20 +0100 |
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committer | Bruno Haible <bruno@clisp.org> | 2010-01-25 02:21:20 +0100 |
commit | 4f853c738dcae9d2433d03137bea04740ee3c15b (patch) | |
tree | c7babe84b35df05b7c6f084828ad4e89e137807e | |
parent | 111daf909494cd76a73a84beb4b2dc9ca4254e43 (diff) | |
download | gnulib-4f853c738dcae9d2433d03137bea04740ee3c15b.tar.gz |
Tests for module 'tan'.
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | modules/tan-tests | 13 | ||||
-rw-r--r-- | tests/test-tan.c | 40 |
3 files changed, 57 insertions, 0 deletions
@@ -1,5 +1,9 @@ 2010-01-24 Bruno Haible <bruno@clisp.org> + Tests for module 'tan'. + * modules/tan-tests: New file. + * tests/test-tan.c: New file. + Tests for module 'sqrt'. * modules/sqrt-tests: New file. * tests/test-sqrt.c: New file. diff --git a/modules/tan-tests b/modules/tan-tests new file mode 100644 index 0000000000..178a643993 --- /dev/null +++ b/modules/tan-tests @@ -0,0 +1,13 @@ +Files: +tests/test-tan.c +tests/signature.h +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-tan +check_PROGRAMS += test-tan +test_tan_LDADD = $(LDADD) @TAN_LIBM@ diff --git a/tests/test-tan.c b/tests/test-tan.c new file mode 100644 index 0000000000..32b3bdaacf --- /dev/null +++ b/tests/test-tan.c @@ -0,0 +1,40 @@ +/* Test of tan() 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 (tan, double, (double)); + +#include "macros.h" + +volatile double x; +double y; + +int +main () +{ + /* A particular value. */ + x = 0.6; + y = tan (x); + ASSERT (y >= 0.6841368083 && y <= 0.6841368084); + + return 0; +} |