tests/test-hypot.c

   1 /* Test of hypot() function.
   2    Copyright (C) 2010-2020 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 (hypot, double, (double, double));
  25
  26 #include <float.h>
  27
  28 #include "macros.h"
  29
  30 #undef MIN
  31 #undef MAX
  32
  33 #define DOUBLE double
  34 #define HUGEVAL HUGE_VAL
  35 #define L_(literal) literal
  36 #define MANT_DIG DBL_MANT_DIG
  37 #define MIN DBL_MIN
  38 #define MAX DBL_MAX
  39 #define HYPOT hypot
  40 #define RANDOM randomd
  41 #include "test-hypot.h"
  42
  43 int
  44 main ()
  45 {
  46   /* A particular value.  */
  47   x = 0.4;
  48   y = 0.6;
  49   z = hypot (x, y);
  50   ASSERT (z >= 0.7211102550 && z <= 0.7211102551);
  51
  52   test_function ();
  53
  54   return 0;
  55 }