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

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• Hash : 32a72f45
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  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-ceill.c

• /* Test of rounding towards positive infinity.
     Copyright (C) 2007-2023 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 <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  
  #include <config.h>
  
  #include <math.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (ceill, long double, (long double));
  
  #include <float.h>
  
  #include "fpucw.h"
  #include "isnanl-nolibm.h"
  #include "minus-zero.h"
  #include "infinity.h"
  #include "nan.h"
  #include "macros.h"
  
  int
  main ()
  {
    DECL_LONG_DOUBLE_ROUNDING
  
    BEGIN_LONG_DOUBLE_ROUNDING ();
  
    /* Zero.  */
    ASSERT (ceill (0.0L) == 0.0L);
    ASSERT (ceill (minus_zerol) == 0.0L);
    /* Positive numbers.  */
    ASSERT (ceill (0.3L) == 1.0L);
    ASSERT (ceill (0.7L) == 1.0L);
    ASSERT (ceill (1.0L) == 1.0L);
    ASSERT (ceill (1.001L) == 2.0L);
    ASSERT (ceill (1.5L) == 2.0L);
    ASSERT (ceill (1.999L) == 2.0L);
    ASSERT (ceill (2.0L) == 2.0L);
    ASSERT (ceill (65535.999L) == 65536.0L);
    ASSERT (ceill (65536.0L) == 65536.0L);
    ASSERT (ceill (2.341e31L) == 2.341e31L);
    /* Negative numbers.  */
    ASSERT (ceill (-0.3L) == 0.0L);
    ASSERT (ceill (-0.7L) == 0.0L);
    ASSERT (ceill (-1.0L) == -1.0L);
    ASSERT (ceill (-1.5L) == -1.0L);
    ASSERT (ceill (-1.999L) == -1.0L);
    ASSERT (ceill (-2.0L) == -2.0L);
    ASSERT (ceill (-65535.999L) == -65535.0L);
    ASSERT (ceill (-65536.0L) == -65536.0L);
    ASSERT (ceill (-2.341e31L) == -2.341e31L);
    /* Infinite numbers.  */
    ASSERT (ceill (Infinityl ()) == Infinityl ());
    ASSERT (ceill (- Infinityl ()) == - Infinityl ());
    /* NaNs.  */
    ASSERT (isnanl (ceill (NaNl ())));
  
    return 0;
  }
  

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