root/maint/gnulib/tests/test-pow.c

/* */

DEFINITIONS

1. main

   1 /* Test of pow() function.
   2    Copyright (C) 2010-2021 Free Software Foundation, Inc.
   3 
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8 
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13 
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16 
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  18 
  19 #include <config.h>
  20 
  21 #include <math.h>
  22 
  23 #include "signature.h"
  24 SIGNATURE_CHECK (pow, double, (double, double));
  25 
  26 #include "macros.h"
  27 
  28 volatile double x;
  29 volatile double y;
  30 double z;
  31 
  32 int
  33 main ()
     /*  */
  34 {
  35   /* A particular value.  */
  36   x = 243.0;
  37   y = 1.2;
  38   z = pow (x, y);
  39   ASSERT (z >= 728.9999999 && z <= 729.0000001);
  40 
  41   return 0;
  42 }

/* */