1  /* Test mpz_mul_ui and mpz_mul_si.
       2  
       3  Copyright 2001, 2002 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  
      23  #include "gmp-impl.h"
      24  #include "tests.h"
      25  
      26  
      27  mpz_t got, want, x;
      28  
      29  void
      30  compare_si (long y)
      31  {
      32    if (mpz_cmp (got, want) != 0)
      33      {
      34        printf    ("mpz_mul_si wrong\n");
      35        mpz_trace ("  x", x);
      36        printf    ("  y=%ld (0x%lX)\n", y, y);
      37        mpz_trace ("  got ", got);
      38        mpz_trace ("  want", want);
      39        abort ();
      40      }
      41  }
      42  
      43  void
      44  compare_ui (unsigned long y)
      45  {
      46    if (mpz_cmp (got, want) != 0)
      47      {
      48        printf    ("mpz_mul_ui wrong\n");
      49        mpz_trace ("  x", x);
      50        printf    ("  y=%lu (0x%lX)\n", y, y);
      51        mpz_trace ("  got ", got);
      52        mpz_trace ("  want", want);
      53        abort ();
      54      }
      55  }
      56  
      57  void
      58  check_samples (void)
      59  {
      60    {
      61      long  y;
      62  
      63      mpz_set_ui (x, 1L);
      64      y = 0;
      65      mpz_mul_si (got, x, y);
      66      mpz_set_si (want, y);
      67      compare_si (y);
      68  
      69      mpz_set_ui (x, 1L);
      70      y = 1;
      71      mpz_mul_si (got, x, y);
      72      mpz_set_si (want, y);
      73      compare_si (y);
      74  
      75      mpz_set_ui (x, 1L);
      76      y = -1;
      77      mpz_mul_si (got, x, y);
      78      mpz_set_si (want, y);
      79      compare_si (y);
      80  
      81      mpz_set_ui (x, 1L);
      82      y = LONG_MIN;
      83      mpz_mul_si (got, x, y);
      84      mpz_set_si (want, y);
      85      compare_si (y);
      86  
      87      mpz_set_ui (x, 1L);
      88      y = LONG_MAX;
      89      mpz_mul_si (got, x, y);
      90      mpz_set_si (want, y);
      91      compare_si (y);
      92    }
      93  
      94    {
      95      unsigned long y;
      96  
      97      mpz_set_ui (x, 1L);
      98      y = 0;
      99      mpz_mul_ui (got, x, y);
     100      mpz_set_ui (want, y);
     101      compare_ui (y);
     102  
     103      mpz_set_ui (x, 1L);
     104      y = 1;
     105      mpz_mul_ui (got, x, y);
     106      mpz_set_ui (want, y);
     107      compare_ui (y);
     108  
     109      mpz_set_ui (x, 1L);
     110      y = ULONG_MAX;
     111      mpz_mul_ui (got, x, y);
     112      mpz_set_ui (want, y);
     113      compare_ui (y);
     114    }
     115  }
     116  
     117  int
     118  main (int argc, char **argv)
     119  {
     120    tests_start ();
     121  
     122    mpz_init (x);
     123    mpz_init (got);
     124    mpz_init (want);
     125  
     126    check_samples ();
     127  
     128    mpz_clear (x);
     129    mpz_clear (got);
     130    mpz_clear (want);
     131  
     132    tests_end ();
     133    exit (0);
     134  }