view tests/test-log10l.c @ 16465:c0803728f645

New module 'modfl-ieee'. * modules/modfl-ieee: New file.
author Bruno Haible <bruno@clisp.org>
date Sun, 26 Feb 2012 17:55:31 +0100
parents 5f82329020f5
children 41de1e077de1
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/* Test of log10l() 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 (log10l, long double, (long double));

#include "fpucw.h"
#include "macros.h"

volatile long double x;
long double y;

int
main ()
{
  DECL_LONG_DOUBLE_ROUNDING

  BEGIN_LONG_DOUBLE_ROUNDING ();

  /* A particular value.  */
  x = 0.6L;
  y = log10l (x);
  ASSERT (y >= -0.2218487497L && y <= -0.2218487496L);

  return 0;
}