Mercurial > hg > octave-lyh > gnulib-hg
changeset 9294:868479cd3505
Test for module 'floorl'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Fri, 05 Oct 2007 03:34:16 +0200 |
parents | b4e0b96fc4ba |
children | a19e5992f6f0 |
files | ChangeLog modules/floorl-tests tests/test-floorl.c |
diffstat | 3 files changed, 98 insertions(+), 0 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2007-10-04 Bruno Haible <bruno@clisp.org> + * modules/floorl-tests: New file. + * tests/test-floorl.c: New file. + * modules/floorl: New file. * lib/floorl.c: Replace entire file. * m4/floorl.m4: New file.
new file mode 100644 --- /dev/null +++ b/modules/floorl-tests @@ -0,0 +1,16 @@ +Files: +tests/test-floorl.c + +Depends-on: +fpucw +isnanl-nolibm + +configure.ac: + +Makefile.am: +TESTS += test-floorl +check_PROGRAMS += test-floorl +test_floorl_LDADD = $(LDADD) @FLOORL_LIBM@ + +License: +LGPL
new file mode 100644 --- /dev/null +++ b/tests/test-floorl.c @@ -0,0 +1,79 @@ +/* Test of rounding towards negative infinity. + Copyright (C) 2007 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 2, 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, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include <math.h> + +#include <stdio.h> +#include <stdlib.h> + +#include "fpucw.h" +#include "isnanl-nolibm.h" + +#define ASSERT(expr) \ + do \ + { \ + if (!(expr)) \ + { \ + fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \ + abort (); \ + } \ + } \ + while (0) + +int +main () +{ + DECL_LONG_DOUBLE_ROUNDING + + BEGIN_LONG_DOUBLE_ROUNDING (); + + /* Zero. */ + ASSERT (floorl (0.0L) == 0.0L); + ASSERT (floorl (-0.0L) == 0.0L); + /* Positive numbers. */ + ASSERT (floorl (0.3L) == 0.0L); + ASSERT (floorl (0.7L) == 0.0L); + ASSERT (floorl (1.0L) == 1.0L); + ASSERT (floorl (1.5L) == 1.0L); + ASSERT (floorl (1.999L) == 1.0L); + ASSERT (floorl (2.0L) == 2.0L); + ASSERT (floorl (65535.999L) == 65535.0L); + ASSERT (floorl (65536.0L) == 65536.0L); + ASSERT (floorl (2.341e31L) == 2.341e31L); + /* Negative numbers. */ + ASSERT (floorl (-0.3L) == -1.0L); + ASSERT (floorl (-0.7L) == -1.0L); + ASSERT (floorl (-1.0L) == -1.0L); + ASSERT (floorl (-1.001L) == -2.0L); + ASSERT (floorl (-1.5L) == -2.0L); + ASSERT (floorl (-1.999L) == -2.0L); + ASSERT (floorl (-2.0L) == -2.0L); + ASSERT (floorl (-65535.999L) == -65536.0L); + ASSERT (floorl (-65536.0L) == -65536.0L); + ASSERT (floorl (-2.341e31L) == -2.341e31L); + /* Infinite numbers. */ + ASSERT (floorl (1.0L / 0.0L) == 1.0L / 0.0L); + ASSERT (floorl (-1.0L / 0.0L) == -1.0L / 0.0L); + /* NaNs. */ + ASSERT (isnanl (floorl (0.0L / 0.0L))); + + return 0; +}