1  /* Test file for mpfr_total_order_p.
       2  
       3  Copyright 2018-2023 Free Software Foundation, Inc.
       4  Contributed by the AriC and Caramba projects, INRIA.
       5  
       6  This file is part of the GNU MPFR Library.
       7  
       8  The GNU MPFR Library is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU Lesser General Public License as published by
      10  the Free Software Foundation; either version 3 of the License, or (at your
      11  option) any later version.
      12  
      13  The GNU MPFR Library is distributed in the hope that it will be useful, but
      14  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      15  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
      16  License for more details.
      17  
      18  You should have received a copy of the GNU Lesser General Public License
      19  along with the GNU MPFR Library; see the file COPYING.LESSER.  If not, see
      20  https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
      21  51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
      22  
      23  #include "mpfr-test.h"
      24  
      25  static void
      26  check1 (mpfr_ptr x, mpfr_ptr y)
      27  {
      28    if (! mpfr_total_order_p (x, x))
      29      {
      30        printf ("Error on mpfr_total_order_p (x, x) with\n");
      31        printf ("x = ");
      32        mpfr_dump (x);
      33        exit (1);
      34      }
      35  
      36    mpfr_set (y, x, MPFR_RNDN);
      37  
      38    if (! mpfr_total_order_p (x, y))
      39      {
      40        printf ("Error on mpfr_total_order_p (x, y) with\n");
      41        printf ("x = ");
      42        mpfr_dump (x);
      43        printf ("y = ");
      44        mpfr_dump (y);
      45        exit (1);
      46      }
      47  }
      48  
      49  static void
      50  check2 (mpfr_ptr x, mpfr_ptr y)
      51  {
      52    if (! mpfr_total_order_p (x, y))
      53      {
      54        printf ("Error on mpfr_total_order_p (x, y) with\n");
      55        printf ("x = ");
      56        mpfr_dump (x);
      57        printf ("y = ");
      58        mpfr_dump (y);
      59        exit (1);
      60      }
      61  
      62    if (mpfr_total_order_p (y, x))
      63      {
      64        printf ("Error on mpfr_total_order_p (y, x) with\n");
      65        printf ("x = ");
      66        mpfr_dump (x);
      67        printf ("y = ");
      68        mpfr_dump (y);
      69        exit (1);
      70      }
      71  }
      72  
      73  int
      74  main (void)
      75  {
      76    mpfr_t x[13];
      77    int i, j;
      78  
      79    tests_start_mpfr ();
      80  
      81    for (i = 0; i < 13; i++)
      82      mpfr_init2 (x[i], 32);
      83  
      84    mpfr_set_nan (x[1]);
      85    MPFR_SET_NEG (x[1]);
      86    mpfr_set_inf (x[2], -1);
      87    mpfr_set_si (x[3], -3, MPFR_RNDN);
      88    mpfr_set_si (x[4], -2, MPFR_RNDN);
      89    mpfr_set_si (x[5], -1, MPFR_RNDN);
      90    mpfr_set_zero (x[6], -1);
      91    mpfr_set_zero (x[7], 1);
      92    mpfr_set_si (x[8], 1, MPFR_RNDN);
      93    mpfr_set_si (x[9], 2, MPFR_RNDN);
      94    mpfr_set_si (x[10], 3, MPFR_RNDN);
      95    mpfr_set_inf (x[11], 1);
      96    mpfr_set_nan (x[12]);
      97    MPFR_SET_POS (x[12]);
      98  
      99    for (i = 1; i <= 12; i++)
     100      {
     101        check1 (x[i], x[0]);
     102        for (j = i+1; j <= 12; j++)
     103          check2 (x[i], x[j]);
     104      }
     105  
     106    for (i = 0; i < 13; i++)
     107      mpfr_clear (x[i]);
     108  
     109    tests_end_mpfr ();
     110    return 0;
     111  }