Mercurial > hg > octave-lyh > gnulib-hg
changeset 16681:14592d8d106b
Tests for module 'log2l'.
* modules/log2l-tests: New file.
* tests/test-log2l.c: New file.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 11 Mar 2012 20:50:40 +0100 |
parents | fcdfd8bdad38 |
children | b218a8109cde |
files | ChangeLog modules/log2l-tests tests/test-log2l.c |
diffstat | 3 files changed, 81 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2012-03-11 Bruno Haible <bruno@clisp.org> + Tests for module 'log2l'. + * modules/log2l-tests: New file. + * tests/test-log2l.c: New file. + New module 'log2l'. * lib/math.in.h (log2l): New declaration. * lib/log2l.c: New file.
new file mode 100644 --- /dev/null +++ b/modules/log2l-tests @@ -0,0 +1,19 @@ +Files: +tests/test-log2l.c +tests/test-log2.h +tests/minus-zero.h +tests/signature.h +tests/macros.h +tests/randoml.c + +Depends-on: +fpucw +float + +configure.ac: + +Makefile.am: +TESTS += test-log2l +check_PROGRAMS += test-log2l +test_log2l_SOURCES = test-log2l.c randoml.c +test_log2l_LDADD = $(LDADD) @LOG2L_LIBM@
new file mode 100644 --- /dev/null +++ b/tests/test-log2l.c @@ -0,0 +1,58 @@ +/* Test of log2l() 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>, 2012. */ + +#include <config.h> + +#include <math.h> + +#include "signature.h" +SIGNATURE_CHECK (log2l, long double, (long double)); + +#include <float.h> + +#include "fpucw.h" +#include "minus-zero.h" +#include "macros.h" + +#define DOUBLE long double +#define HUGEVAL HUGE_VALL +#define L_(literal) literal##L +#define MANT_DIG LDBL_MANT_DIG +#define MAX_EXP LDBL_MAX_EXP +#define MIN_EXP LDBL_MIN_EXP +#define MINUS_ZERO minus_zerol +#define LOG2 log2l +#define RANDOM randoml +#include "test-log2.h" + +int +main () +{ + DECL_LONG_DOUBLE_ROUNDING + + BEGIN_LONG_DOUBLE_ROUNDING (); + + /* A particular value. */ + x = 0.6L; + y = log2l (x); + ASSERT (y >= -0.7369655942L && y <= -0.7369655941L); + + test_function (); + + return 0; +}