freebsd-dev/contrib/libgmp/mpz/tests/reuse.c
Mark Murray aa9bc17601 Clean import of libgmp 2.0.2, with only the non-x86 bits removed.
BMakefiles and other bits will follow.

Requested by:	Andrey Chernov
Made world by:	Chuck Robey
1996-10-20 08:49:26 +00:00

136 lines
3.9 KiB
C

/* Test that routines allow reusing a source variable as destination. */
#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
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
};
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"
};
char dss_func_division[] = {0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1};
#if 0
mpz_divexact /* requires special operands */
#endif
main (argc, argv)
int argc;
char **argv;
{
int i;
int pass, reps = 10000;
mpz_t in1, in2, out1;
mpz_t res1, res2, res3;
if (argc == 2)
reps = atoi (argv[1]);
mpz_init (in1);
mpz_init (in2);
mpz_init (out1);
mpz_init (res1);
mpz_init (res2);
mpz_init (res3);
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 (out1, in1);
(dss_funcs[i]) (out1, out1, in2);
mpz_set (res2, out1);
mpz_set (out1, in2);
(dss_funcs[i]) (out1, in1, out1);
mpz_set (res3, out1);
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);
}
}
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