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      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-impl.h"
     23 #include "tests.h"
     24 
     25 void
     26 check_data (void)
     27 {
     28   static const struct {
     29     unsigned long  x;
     30     mp_size_t      want_size;
     31     mp_limb_t      want_data[2];
     32   } data[] = {
     33 
     34     {  0L,  0 },
     35     {  1L,  1, { 1 } },
     36 
     37 #if GMP_NUMB_BITS >= BITS_PER_ULONG
     38     { ULONG_MAX,     1, { ULONG_MAX, 0 } },
     39     { ULONG_HIGHBIT, 1, { ULONG_HIGHBIT, 0 } },
     40 #else
     41     { ULONG_MAX,     2, { ULONG_MAX & GMP_NUMB_MASK,
     42                           ULONG_MAX >> GMP_NUMB_BITS } },
     43     { ULONG_HIGHBIT, 2, { 0,
     44                           ULONG_HIGHBIT >> GMP_NUMB_BITS } },
     45 #endif
     46   };
     47 
     48   mpf_t  x;
     49   int    i;
     50 
     51   for (i = 0; i < numberof (data); i++)
     52     {
     53       mpf_init (x);
     54       mpf_set_ui (x, data[i].x);
     55       MPF_CHECK_FORMAT (x);
     56       if (x->_mp_size != data[i].want_size
     57           || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
     58                                    ABS (data[i].want_size)) != 0
     59           || x->_mp_exp != ABS (data[i].want_size))
     60         {
     61           printf ("mpf_set_ui wrong on data[%d]\n", i);
     62           abort();
     63         }
     64       mpf_clear (x);
     65 
     66       mpf_init_set_ui (x, data[i].x);
     67       MPF_CHECK_FORMAT (x);
     68       if (x->_mp_size != data[i].want_size
     69           || refmpn_cmp_allowzero (x->_mp_d, data[i].want_data,
     70                                    ABS (data[i].want_size)) != 0
     71           || x->_mp_exp != ABS (data[i].want_size))
     72         {
     73           printf ("mpf_init_set_ui wrong on data[%d]\n", i);
     74           abort();
     75         }
     76       mpf_clear (x);
     77     }
     78 }
     79 
     80 int
     81 main (void)
     82 {
     83   tests_start ();
     84 
     85   check_data ();
     86 
     87   tests_end ();
     88   exit (0);
     89 }
     90