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cre-mparam.c
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C/C++ Source or Header
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1991-10-29
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/* cre-mparam.c -- Create machine-depedent parameter file.
Copyright (C) 1991 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
The GNU MP Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the GNU MP Library; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "gmp.h"
unsigned int
ulog2 (x)
unsigned long int x;
{
unsigned int i;
for (i = 0; x != 0; i++)
x >>= 1;
return i;
}
main ()
{
int i;
unsigned long int max_uli;
int bits_uli;
unsigned long int max_ui;
int bits_ui;
unsigned long int max_usi;
int bits_usi;
unsigned long int max_uc;
int bits_uc;
max_uli = 1;
for (i = 0; ; i++)
{
if (max_uli == 0)
break;
max_uli <<= 1;
}
bits_uli = i;
max_ui = 1;
for (i = 0; ; i++)
{
if ((unsigned int) max_ui == 0)
break;
max_ui <<= 1;
}
bits_ui = i;
max_usi = 1;
for (i = 0; ; i++)
{
if ((unsigned short int) max_usi == 0)
break;
max_usi <<= 1;
}
bits_usi = i;
max_uc = 1;
for (i = 0; ; i++)
{
if ((unsigned char) max_uc == 0)
break;
max_uc <<= 1;
}
bits_uc = i;
puts ("/* gmp-mparam.h -- Compiler/machine parameter header file.");
puts ("");
puts (" ***** THIS FILE WAS CREATED BY A PROGRAM. DON'T EDIT IT! *****");
puts ("");
puts ("Copyright (C) 1991 Free Software Foundation, Inc.");
puts ("");
puts ("This file is part of the GNU MP Library.");
puts ("");
puts ("The GNU MP Library is free software; you can redistribute it and/or");
puts ("modify it under the terms of the GNU General Public License as");
puts ("published by the Free Software Foundation; either version 2, or");
puts ("(at your option) any later version.");
puts ("");
puts ("The GNU MP Library is distributed in the hope that it will be");
puts ("useful, but WITHOUT ANY WARRANTY; without even the implied warranty");
puts ("of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the");
puts ("GNU General Public License for more details.");
puts ("");
puts ("You should have received a copy of the GNU General Public License");
puts ("along with the GNU MP Library; see the file COPYING. If not, write");
puts ("to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,");
puts ("USA. */");
puts ("");
printf ("#define BITS_PER_MP_LIMB %d\n", bits_uli);
printf ("#define BYTES_PER_MP_LIMB %d\n", sizeof(mp_limb));
printf ("#define BITS_PER_LONGINT %d\n", bits_uli);
printf ("#define BITS_PER_INT %d\n", bits_ui);
printf ("#define BITS_PER_SHORTINT %d\n", bits_usi);
printf ("#define BITS_PER_CHAR %d\n", bits_uc);
exit (0);
}