tests/test-pow.c


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/* Test of pow() function.
   Copyright (C) 2010-2020 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 (pow, double, (double, double));

#include "macros.h"

volatile double x;
volatile double y;
double z;

int
main ()
{
  /* A particular value.  */
  x = 243.0;
  y = 1.2;
  z = pow (x, y);
  ASSERT (z >= 728.9999999 && z <= 729.0000001);

  return 0;
}