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/* Test that routines allow reusing a source variable as destination. */
/*
Copyright (C) 1996, 1999, 2000 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 Library General Public License as published by
the Free Software Foundation; either version 2 of the License, 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA.
*/
#include <stdio.h>
#include "gmp.h"
#include "gmp-impl.h"
#include "urandom.h"
#ifndef SIZE
#define SIZE 16
#endif
#if __STDC__
typedef void (*dss_func) (mpz_ptr, mpz_srcptr, mpz_srcptr);
#else
typedef void (*dss_func) ();
#endif
void
#if __STDC__
mpz_xinvert (mpz_ptr r, mpz_srcptr a, mpz_srcptr b)
#else
mpz_xinvert (r, a, b)
mpz_ptr r;
mpz_srcptr a;
mpz_srcptr b;
#endif
{
int res;
res = mpz_invert (r, a, b);
if (res == 0)
mpz_set_ui (r, 0);
}
dss_func dss_funcs[] =
{
mpz_add, mpz_and, mpz_cdiv_q, mpz_cdiv_r, mpz_fdiv_q, mpz_fdiv_r,
mpz_gcd, mpz_ior, mpz_mul, mpz_sub, mpz_tdiv_q, mpz_tdiv_r, mpz_xinvert
};
char *dss_func_names[] =
{
"mpz_add", "mpz_and", "mpz_cdiv_q", "mpz_cdiv_r", "mpz_fdiv_q", "mpz_fdiv_r",
"mpz_gcd", "mpz_ior", "mpz_mul", "mpz_sub", "mpz_tdiv_q", "mpz_tdiv_r",
"mpz_xinvert"
};
char dss_func_division[] = {0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1};
main (argc, argv)
int argc;
char **argv;
{
int i;
int pass, reps = 10000;
mpz_t in1, in2, out;
mpz_t res1, res2, res3;
mpz_t t;
if (argc == 2)
reps = atoi (argv[1]);
mpz_init (in1);
mpz_init (in2);
mpz_init (out);
mpz_init (res1);
mpz_init (res2);
mpz_init (res3);
mpz_init (t);
for (pass = 1; pass <= reps; pass++)
{
mpz_random (in1, urandom () % SIZE - SIZE/2);
mpz_random (in2, urandom () % SIZE - SIZE/2);
for (i = 0; i < sizeof (dss_funcs) / sizeof (dss_func); i++)
{
if (dss_func_division[i] && mpz_cmp_ui (in2, 0) == 0)
continue;
(dss_funcs[i]) (res1, in1, in2);
mpz_set (out, in1);
(dss_funcs[i]) (out, out, in2);
mpz_set (res2, out);
mpz_set (out, in2);
(dss_funcs[i]) (out, in1, out);
mpz_set (res3, out);
if (mpz_cmp (res1, res2) != 0)
dump_abort (dss_func_names[i], in1, in2);
if (mpz_cmp (res1, res3) != 0)
dump_abort (dss_func_names[i], in1, in2);
}
if (mpz_cmp_ui (in2, 0) == 0)
continue;
mpz_mul (t, in1, in2);
mpz_divexact (res1, t, in2);
mpz_set (out, t);
mpz_divexact (out, out, in2);
mpz_set (res2, out);
mpz_set (out, in2);
mpz_divexact (out, t, out);
mpz_set (res3, out);
if (mpz_cmp (res1, res2) != 0)
dump_abort ("mpz_divexact", t, in2);
if (mpz_cmp (res1, res3) != 0)
dump_abort ("mpz_divexact", t, in2);
}
exit (0);
}
dump_abort (name, in1, in2)
char *name;
mpz_t in1, in2;
{
printf ("failure in %s (", name);
mpz_out_str (stdout, -16, in1);
printf (" ");
mpz_out_str (stdout, -16, in2);
printf (")\n");
abort ();
}
#if 0
void mpz_add_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_div_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_mod_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_mul_2exp _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_mul_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_pow_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_sub_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_tdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_tdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_abs _PROTO ((mpz_ptr, mpz_srcptr));
void mpz_com _PROTO ((mpz_ptr, mpz_srcptr));
void mpz_sqrt _PROTO ((mpz_ptr, mpz_srcptr));
void mpz_neg _PROTO ((mpz_ptr, mpz_srcptr));
void mpz_tdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int));
void mpz_powm_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int, mpz_srcptr));
void mpz_gcdext _PROTO ((mpz_ptr, mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr));
void mpz_cdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr));
void mpz_fdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr));
void mpz_tdiv_qr _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, mpz_srcptr));
void mpz_powm _PROTO ((mpz_ptr, mpz_srcptr, mpz_srcptr, mpz_srcptr));
void mpz_sqrtrem _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr));
unsigned long int mpz_cdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_fdiv_qr_ui _PROTO ((mpz_ptr, mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_cdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_cdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_fdiv_q_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_fdiv_r_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
unsigned long int mpz_gcd_ui _PROTO ((mpz_ptr, mpz_srcptr, unsigned long int));
#endif
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