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

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of hypotl() 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 (hypotl, long double, (long double, long double));
  25 
  26 #include <float.h>
  27 
  28 #include "fpucw.h"
  29 #include "macros.h"
  30 
  31 #undef MIN
  32 #undef MAX
  33 
  34 #define DOUBLE long double
  35 #define HUGEVAL HUGE_VALL
  36 #define L_(literal) literal##L
  37 #define MANT_DIG LDBL_MANT_DIG
  38 #define MIN LDBL_MIN
  39 #define MAX LDBL_MAX
  40 #define HYPOT hypotl
  41 #define RANDOM randoml
  42 #include "test-hypot.h"
  43 
  44 int
  45 main ()
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  46 {
  47   DECL_LONG_DOUBLE_ROUNDING
  48 
  49   BEGIN_LONG_DOUBLE_ROUNDING ();
  50 
  51   /* A particular value.  */
  52   x = 0.4L;
  53   y = 0.6L;
  54   z = hypotl (x, y);
  55   ASSERT (z >= 0.7211102550L && z <= 0.7211102551L);
  56 
  57   test_function ();
  58 
  59   return 0;
  60 }

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