root/maint/gnulib/tests/test-exp2f.c

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of exp2f() 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>, 2010-2011.  */
  18 
  19 #include <config.h>
  20 
  21 #include <math.h>
  22 
  23 #include "signature.h"
  24 SIGNATURE_CHECK (exp2f, float, (float));
  25 
  26 #include <float.h>
  27 
  28 #include "macros.h"
  29 
  30 #define DOUBLE float
  31 #define L_(literal) literal##f
  32 #define MANT_DIG FLT_MANT_DIG
  33 #define MAX_EXP FLT_MAX_EXP
  34 #define MIN_EXP FLT_MIN_EXP
  35 #define EXP2 exp2f
  36 #define RANDOM randomf
  37 #include "test-exp2.h"
  38 
  39 int
  40 main ()
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  41 {
  42   /* A particular value.  */
  43   x = 0.6f;
  44   y = exp2f (x);
  45   ASSERT (y >= 1.5157164f && y <= 1.5157167f);
  46 
  47   test_function ();
  48 
  49   return 0;
  50 }

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