kc3-lang/gnulib/tests/test-fmod.c

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• Hash : 5c5a9622
  Author :
  Date : 2012-03-04T20:59:05
  

  fmod* tests: More tests.
  
  * tests/test-fmod.h (my_ldexp): New function.
  (test_function): Reduce amount of random numbers to test. Add tests
  of very large quotients x / y.
  * tests/test-fmod.c (MAX_EXP): New macro.
  * tests/test-fmodf.c (MAX_EXP): Likewise.
  * tests/test-fmodl.c (MAX_EXP): Likewise.
  

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• tests/test-fmod.c

• /* Test of fmod() function.
     Copyright (C) 2010-2012 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 <http://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2010.  */
  
  #include <config.h>
  
  #include <math.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (fmod, double, (double, double));
  
  #include <float.h>
  
  #include "macros.h"
  
  #define DOUBLE double
  #define L_(literal) literal
  #define MANT_DIG DBL_MANT_DIG
  #define MAX_EXP DBL_MAX_EXP
  #define FMOD fmod
  #define RANDOM randomd
  #include "test-fmod.h"
  
  int
  main ()
  {
    /* A particular value.  */
    x = 9.245907126;
    y = 3.141592654;
    z = fmod (x, y);
    ASSERT (z >= 2.962721817 && z <= 2.962721819);
  
    test_function ();
  
    return 0;
  }
  

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