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author | Bruno Haible <bruno@clisp.org> | 2011-10-06 02:49:48 +0200 |
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committer | Bruno Haible <bruno@clisp.org> | 2011-10-06 02:49:48 +0200 |
commit | 881b57204cd633507c3342cdc3a1a1358c59d562 (patch) | |
tree | 0e19544d23c187d9c58b61be806b38495e1dd374 | |
parent | 7dcf3dfac3a1451f81d19494cca65c33428fe8c4 (diff) | |
download | gnulib-881b57204cd633507c3342cdc3a1a1358c59d562.tar.gz |
Tests for module 'modff'.
* modules/modff-tests: New file.
* tests/test-modff.c: New file.
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | modules/modff-tests | 13 | ||||
-rw-r--r-- | tests/test-modff.c | 48 |
3 files changed, 65 insertions, 0 deletions
@@ -1,5 +1,9 @@ 2011-10-05 Bruno Haible <bruno@clisp.org> + Tests for module 'modff'. + * modules/modff-tests: New file. + * tests/test-modff.c: New file. + New module 'modff'. * lib/math.in.h (modff): New declaration. * lib/modff.c: New file. diff --git a/modules/modff-tests b/modules/modff-tests new file mode 100644 index 0000000000..9d35b7321b --- /dev/null +++ b/modules/modff-tests @@ -0,0 +1,13 @@ +Files: +tests/test-modff.c +tests/signature.h +tests/macros.h + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-modff +check_PROGRAMS += test-modff +test_modff_LDADD = $(LDADD) @MODFF_LIBM@ diff --git a/tests/test-modff.c b/tests/test-modff.c new file mode 100644 index 0000000000..98fa9f2dc1 --- /dev/null +++ b/tests/test-modff.c @@ -0,0 +1,48 @@ +/* Test of modff() function. + Copyright (C) 2010-2011 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>, 2010-2011. */ + +#include <config.h> + +#include <math.h> + +#include "signature.h" +SIGNATURE_CHECK (modff, float, (float, float *)); + +#include "macros.h" + +volatile float x; +float y; +float z; + +int +main () +{ + /* A particular positive value. */ + x = 5.972407f; + y = modff (x, &z); + ASSERT (y >= 0.972406f && y <= 0.972408f); + ASSERT (z == 5.0f); + + /* A particular negative value. */ + x = -5.972407f; + y = modff (x, &z); + ASSERT (y >= -0.972408f && y <= -0.972406f); + ASSERT (z == -5.0f); + + return 0; +} |