(root)/
mpfr-4.2.1/
tools/
check_mparam.c
       1  /* check_mparam - check a mparam.h file
       2  
       3  Copyright 2018-2023 Free Software Foundation, Inc.
       4  Contributed by the Arenaire and Caramel projects, INRIA.
       5  
       6  This program is free software; you can redistribute it and/or modify
       7  it under the terms of the GNU Lesser General Public License as published by
       8  the Free Software Foundation; either version 3 of the License, or (at your
       9  option) any later version.
      10  
      11  This program is distributed in the hope that it will be useful, but
      12  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
      13  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
      14  License for more details.
      15  
      16  You should have received a copy of the GNU Lesser General Public License
      17  along with this program; see the file COPYING.LESSER.  If not, see
      18  https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc.,
      19  51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */
      20  
      21  /* To check some mparam.h tables:
      22     1) make a symbolic link to the corresponding mparam.h or
      23        provide -DMPARAM='"..."' with a path to the mparam.h
      24        file when compiling this program
      25     2) compile and run this program */
      26  
      27  #include <stdio.h>
      28  
      29  #ifndef MPARAM
      30  # define MPARAM "mparam.h"
      31  #endif
      32  
      33  #include MPARAM
      34  
      35  #define numberof_const(x)  (sizeof (x) / sizeof ((x)[0]))
      36  
      37  static short mulhigh_ktab[] = {MPFR_MULHIGH_TAB};
      38  #define MPFR_MULHIGH_TAB_SIZE (numberof_const (mulhigh_ktab))
      39  
      40  static short sqrhigh_ktab[] = {MPFR_SQRHIGH_TAB};
      41  #define MPFR_SQRHIGH_TAB_SIZE (numberof_const (sqrhigh_ktab))
      42  
      43  static short divhigh_ktab[] = {MPFR_DIVHIGH_TAB};
      44  #define MPFR_DIVHIGH_TAB_SIZE (numberof_const (divhigh_ktab))
      45  
      46  int main (void)
      47  {
      48    int err = 0, n;
      49  
      50    for (n = 0; n < MPFR_MULHIGH_TAB_SIZE; n++)
      51      if (mulhigh_ktab[n] >= n)
      52        {
      53          printf ("Error, mulhigh_ktab[%d] = %d\n", n, mulhigh_ktab[n]);
      54          err = 1;
      55        }
      56  
      57    for (n = 0; n < MPFR_SQRHIGH_TAB_SIZE; n++)
      58      if (sqrhigh_ktab[n] >= n)
      59        {
      60          printf ("Error, sqrhigh_ktab[%d] = %d\n", n, sqrhigh_ktab[n]);
      61          err = 1;
      62        }
      63  
      64    for (n = 2; n < MPFR_DIVHIGH_TAB_SIZE; n++)
      65      if (divhigh_ktab[n] >= n-1)
      66        {
      67          printf ("Error, divhigh_ktab[%d] = %d\n", n, divhigh_ktab[n]);
      68          err = 1;
      69        }
      70  
      71    return err;
      72  }