mirror of
https://git.savannah.gnu.org/git/gnulib.git
synced 2025-08-16 01:22:18 +03:00
a3fd683de3
* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/* Test of rounding towards zero.
|
|
Copyright (C) 2007-2017 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>, 2007. */
|
|
|
|
#include <config.h>
|
|
|
|
#include <math.h>
|
|
|
|
#include "signature.h"
|
|
SIGNATURE_CHECK (truncl, long double, (long double));
|
|
|
|
#include <float.h>
|
|
|
|
#include "fpucw.h"
|
|
#include "isnanl-nolibm.h"
|
|
#include "minus-zero.h"
|
|
#include "infinity.h"
|
|
#include "nan.h"
|
|
#include "macros.h"
|
|
|
|
int
|
|
main ()
|
|
{
|
|
DECL_LONG_DOUBLE_ROUNDING
|
|
|
|
BEGIN_LONG_DOUBLE_ROUNDING ();
|
|
|
|
/* Zero. */
|
|
ASSERT (truncl (0.0L) == 0.0L);
|
|
ASSERT (truncl (minus_zerol) == 0.0L);
|
|
/* Positive numbers. */
|
|
ASSERT (truncl (0.3L) == 0.0L);
|
|
ASSERT (truncl (0.7L) == 0.0L);
|
|
ASSERT (truncl (1.0L) == 1.0L);
|
|
ASSERT (truncl (1.5L) == 1.0L);
|
|
ASSERT (truncl (1.999L) == 1.0L);
|
|
ASSERT (truncl (2.0L) == 2.0L);
|
|
ASSERT (truncl (65535.999L) == 65535.0L);
|
|
ASSERT (truncl (65536.0L) == 65536.0L);
|
|
ASSERT (truncl (2.341e31L) == 2.341e31L);
|
|
/* Negative numbers. */
|
|
ASSERT (truncl (-0.3L) == 0.0L);
|
|
ASSERT (truncl (-0.7L) == 0.0L);
|
|
ASSERT (truncl (-1.0L) == -1.0L);
|
|
ASSERT (truncl (-1.5L) == -1.0L);
|
|
ASSERT (truncl (-1.999L) == -1.0L);
|
|
ASSERT (truncl (-2.0L) == -2.0L);
|
|
ASSERT (truncl (-65535.999L) == -65535.0L);
|
|
ASSERT (truncl (-65536.0L) == -65536.0L);
|
|
ASSERT (truncl (-2.341e31L) == -2.341e31L);
|
|
/* Infinite numbers. */
|
|
ASSERT (truncl (Infinityl ()) == Infinityl ());
|
|
ASSERT (truncl (- Infinityl ()) == - Infinityl ());
|
|
/* NaNs. */
|
|
ASSERT (isnanl (truncl (NaNl ())));
|
|
|
|
return 0;
|
|
}
|