github.com/aergoio/aergo@v1.3.1/libtool/src/gmp-6.1.2/tests/mpf/t-set_ui.c (about)

     1  /* Test mpf_set_ui and mpf_init_set_ui.
     2  
     3  Copyright 2000, 2001, 2003 Free Software Foundation, Inc.
     4  
     5  This file is part of the GNU MP Library test suite.
     6  
     7  The GNU MP Library test suite is free software; you can redistribute it
     8  and/or modify it under the terms of the GNU General Public License as
     9  published by the Free Software Foundation; either version 3 of the License,
    10  or (at your option) any later version.
    11  
    12  The GNU MP Library test suite is distributed in the hope that it will be
    13  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
    14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
    15  Public License for more details.
    16  
    17  You should have received a copy of the GNU General Public License along with
    18  the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
    19  
    20  #include <stdio.h>
    21  #include <stdlib.h>
    22  #include "gmp.h"
    23  #include "gmp-impl.h"
    24  #include "tests.h"
    25  
    26  void
    27  check_data (void)
    28  {
    29    static const struct {
    30      unsigned long  x;
    31      mp_size_t      want_size;
    32      mp_limb_t      want_data[2];
    33    } data[] = {
    34  
    35      {  0L,  0 },
    36      {  1L,  1, { 1 } },
    37  
    38  #if GMP_NUMB_BITS >= BITS_PER_ULONG
    39      { ULONG_MAX,     1, { ULONG_MAX, 0 } },
    40      { ULONG_HIGHBIT, 1, { ULONG_HIGHBIT, 0 } },
    41  #else
    42      { ULONG_MAX,     2, { ULONG_MAX & GMP_NUMB_MASK,
    43                            ULONG_MAX >> GMP_NUMB_BITS } },
    44      { ULONG_HIGHBIT, 2, { 0,
    45                            ULONG_HIGHBIT >> GMP_NUMB_BITS } },
    46  #endif
    47    };
    48  
    49    mpf_t  x;
    50    int    i;
    51  
    52    for (i = 0; i < numberof (data); i++)
    53      {
    54        mpf_init (x);
    55        mpf_set_ui (x, data[i].x);
    56        MPF_CHECK_FORMAT (x);
    57        if (x->_mp_size != data[i].want_size
    58            || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
    59                                     ABS (data[i].want_size)) != 0
    60            || x->_mp_exp != ABS (data[i].want_size))
    61          {
    62            printf ("mpf_set_ui wrong on data[%d]\n", i);
    63            abort();
    64          }
    65        mpf_clear (x);
    66  
    67        mpf_init_set_ui (x, data[i].x);
    68        MPF_CHECK_FORMAT (x);
    69        if (x->_mp_size != data[i].want_size
    70            || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
    71                                     ABS (data[i].want_size)) != 0
    72            || x->_mp_exp != ABS (data[i].want_size))
    73          {
    74            printf ("mpf_init_set_ui wrong on data[%d]\n", i);
    75            abort();
    76          }
    77        mpf_clear (x);
    78      }
    79  }
    80  
    81  int
    82  main (void)
    83  {
    84    tests_start ();
    85  
    86    check_data ();
    87  
    88    tests_end ();
    89    exit (0);
    90  }