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