aa9bc17601
BMakefiles and other bits will follow. Requested by: Andrey Chernov Made world by: Chuck Robey
99 lines
2.3 KiB
C
99 lines
2.3 KiB
C
/* Test mpz_add, mpz_add_ui, mpz_cmp, mpz_cmp, mpz_mul, mpz_sqrtrem.
|
|
|
|
Copyright (C) 1991, 1993, 1994, 1996 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"
|
|
|
|
void debug_mp ();
|
|
|
|
#ifndef SIZE
|
|
#define SIZE 16
|
|
#endif
|
|
|
|
main (argc, argv)
|
|
int argc;
|
|
char **argv;
|
|
{
|
|
mpz_t x2;
|
|
mpz_t x, rem;
|
|
mpz_t temp, temp2;
|
|
mp_size_t x2_size;
|
|
int i;
|
|
int reps = 100000;
|
|
|
|
if (argc == 2)
|
|
reps = atoi (argv[1]);
|
|
|
|
mpz_init (x2);
|
|
mpz_init (x);
|
|
mpz_init (rem);
|
|
mpz_init (temp);
|
|
mpz_init (temp2);
|
|
|
|
for (i = 0; i < reps; i++)
|
|
{
|
|
x2_size = urandom () % SIZE;
|
|
|
|
mpz_random2 (x2, x2_size);
|
|
|
|
mpz_sqrtrem (x, rem, x2);
|
|
mpz_mul (temp, x, x);
|
|
|
|
/* Is square of result > argument? */
|
|
if (mpz_cmp (temp, x2) > 0)
|
|
dump_abort (x2, x, rem);
|
|
|
|
mpz_add_ui (temp2, x, 1);
|
|
mpz_mul (temp2, temp2, temp2);
|
|
|
|
/* Is square of (result + 1) <= argument? */
|
|
if (mpz_cmp (temp2, x2) <= 0)
|
|
dump_abort (x2, x, rem);
|
|
|
|
mpz_add (temp2, temp, rem);
|
|
|
|
/* Is the remainder wrong? */
|
|
if (mpz_cmp (x2, temp2) != 0)
|
|
dump_abort (x2, x, rem);
|
|
}
|
|
|
|
exit (0);
|
|
}
|
|
|
|
dump_abort (x2, x, rem)
|
|
mpz_t x2, x, rem;
|
|
{
|
|
fprintf (stderr, "ERROR\n");
|
|
fprintf (stderr, "x2 = "); debug_mp (x2, -16);
|
|
fprintf (stderr, "x = "); debug_mp (x, -16);
|
|
fprintf (stderr, "remainder = "); debug_mp (rem, -16);
|
|
abort();
|
|
}
|
|
|
|
void
|
|
debug_mp (x, base)
|
|
mpz_t x;
|
|
{
|
|
mpz_out_str (stderr, base, x); fputc ('\n', stderr);
|
|
}
|