Mercurial > hg > octave-lyh > gnulib-hg
changeset 16409:e0968c2ae37e
Tests for module 'modfl'.
* modules/modfl-tests: New file.
* tests/test-modfl.c: New file.
* tests/test-math-c++.cc: Check the declaration of modfl.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 25 Feb 2012 15:31:52 +0100 |
parents | b895d48831cd |
children | 7a80e494e5e8 |
files | ChangeLog modules/modfl-tests tests/test-math-c++.cc tests/test-modfl.c |
diffstat | 4 files changed, 76 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,10 @@ 2012-02-25 Bruno Haible <bruno@clisp.org> + Tests for module 'modfl'. + * modules/modfl-tests: New file. + * tests/test-modfl.c: New file. + * tests/test-math-c++.cc: Check the declaration of modfl. + New module 'modfl'. * lib/math.in.h (modfl): New declaration. * lib/modfl.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/modfl-tests @@ -0,0 +1,14 @@ +Files: +tests/test-modfl.c +tests/signature.h +tests/macros.h + +Depends-on: +fpucw + +configure.ac: + +Makefile.am: +TESTS += test-modfl +check_PROGRAMS += test-modfl +test_modfl_LDADD = $(LDADD) @MODFL_LIBM@
--- a/tests/test-math-c++.cc +++ b/tests/test-math-c++.cc @@ -189,6 +189,10 @@ SIGNATURE_CHECK (GNULIB_NAMESPACE::modff, float, (float, float *)); #endif //SIGNATURE_CHECK (GNULIB_NAMESPACE::modf, double, (double, double *)); +#if GNULIB_TEST_MODFL +SIGNATURE_CHECK (GNULIB_NAMESPACE::modfl, long double, + (long double, long double *)); +#endif //SIGNATURE_CHECK (GNULIB_NAMESPACE::nextafter, double, (double, double));
new file mode 100644 --- /dev/null +++ b/tests/test-modfl.c @@ -0,0 +1,53 @@ +/* Test of modfl() function. + Copyright (C) 2010-2012 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 (modfl, long double, (long double, long double *)); + +#include "fpucw.h" +#include "macros.h" + +volatile long double x; +long double y; +long double z; + +int +main () +{ + DECL_LONG_DOUBLE_ROUNDING + + BEGIN_LONG_DOUBLE_ROUNDING (); + + /* A particular positive value. */ + x = 5.972406760L; + y = modfl (x, &z); + ASSERT (y >= 0.972406759L && y <= 0.972406761L); + ASSERT (z == 5.0); + + /* A particular negative value. */ + x = -5.972406760L; + y = modfl (x, &z); + ASSERT (y >= -0.972406761L && y <= -0.972406759L); + ASSERT (z == -5.0L); + + return 0; +}