test-expl.c

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Author : Paul Eggert
Date : 2018-01-01 00:57:25
Hash : 281b825e
Message : maint: Run 'make update-copyright'

tests/test-expl.c

/* Test of expl() function.
   Copyright (C) 2010-2018 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 <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2010.  */

#include <config.h>

#include <math.h>

#include "signature.h"
SIGNATURE_CHECK (expl, long double, (long double));

#include <float.h>

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

#define DOUBLE long double
#define L_(literal) literal##L
#define MANT_DIG LDBL_MANT_DIG
#define EXP expl
#define RANDOM randoml
#include "test-exp.h"

int
main ()
{
  DECL_LONG_DOUBLE_ROUNDING

  BEGIN_LONG_DOUBLE_ROUNDING ();

  /* A particular value.  */
  x = 0.6L;
  y = expl (x);
  ASSERT (y >= 1.822118800L && y <= 1.822118801L);

  test_function ();

  return 0;
}

kc3-lang/gnulib/tests/test-expl.c

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kc3-lang/gnulib /tests/test-expl.c