/* Test mpz_add, mpz_sub, mpz_add_ui, mpz_sub_ui, and mpz_ui_sub.
Copyright 2002 Free Software Foundation , Inc .
This file is part of the GNU MP Library test suite .
The GNU MP Library test suite 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 3 of the License ,
or ( at your option ) any later version .
The GNU MP Library test suite 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 test suite. If not, see https://www.gnu.org/licenses/. */
#include <stdio.h>
#include <stdlib.h>
#include "gmp-impl.h"
#include "longlong.h"
#include "tests.h"
void debug_mp (mpz_t,
int );
void dump_abort (
int ,
const char *, mpz_t, mpz_t);
int
main (
int argc,
char **argv)
{
mpz_t op1, op2, r1, r2;
mp_size_t op1n, op2n;
unsigned long int op2long;
int i;
int reps =
100000 ;
gmp_randstate_ptr rands;
mpz_t bs;
unsigned long bsi, size_range;
tests_start ();
rands = RANDS;
mpz_init (bs);
if (argc ==
2 )
reps = atoi (argv[
1 ]);
mpz_init (op1);
mpz_init (op2);
mpz_init (r1);
mpz_init (r2);
for (i =
0 ; i < reps; i++)
{
mpz_urandomb (bs, rands,
32 );
size_range = mpz_get_ui (bs) %
10 +
2 ;
mpz_urandomb (bs, rands, size_range);
op1n = mpz_get_ui (bs);
mpz_rrandomb (op1, rands, op1n);
mpz_urandomb (bs, rands, size_range);
op2n = mpz_get_ui (bs);
mpz_rrandomb (op2, rands, op2n);
mpz_urandomb (bs, rands,
2 );
bsi = mpz_get_ui (bs);
if ((bsi &
1 ) !=
0 )
mpz_neg (op1, op1);
if ((bsi &
2 ) !=
0 )
mpz_neg (op2, op2);
/* printf ("%ld %ld\n", SIZ (multiplier), SIZ (multiplicand)); */
mpz_add (r1, op1, op2);
mpz_sub (r2, r1, op2);
if (mpz_cmp (r2, op1) !=
0 )
dump_abort (i,
"mpz_add or mpz_sub incorrect" , op1, op2);
if (mpz_fits_ulong_p (op2))
{
op2long = mpz_get_ui (op2);
mpz_add_ui (r1, op1, op2long);
mpz_sub_ui (r2, r1, op2long);
if (mpz_cmp (r2, op1) !=
0 )
dump_abort (i,
"mpz_add_ui or mpz_sub_ui incorrect" , op1, op2);
mpz_ui_sub (r1, op2long, op1);
mpz_sub_ui (r2, op1, op2long);
mpz_neg (r2, r2);
if (mpz_cmp (r1, r2) !=
0 )
dump_abort (i,
"mpz_add_ui or mpz_ui_sub incorrect" , op1, op2);
}
}
mpz_clear (bs);
mpz_clear (op1);
mpz_clear (op2);
mpz_clear (r1);
mpz_clear (r2);
tests_end ();
exit (
0 );
}
void
dump_abort (
int i,
const char *s, mpz_t op1, mpz_t op2)
{
fprintf (stderr,
"ERROR: %s in test %d\n" , s, i);
fprintf (stderr,
"op1 = " ); debug_mp (op1, -
16 );
fprintf (stderr,
"op2 = " ); debug_mp (op2, -
16 );
abort();
}
void
debug_mp (mpz_t x,
int base)
{
mpz_out_str (stderr, base, x); fputc (
'\n' , stderr);
}
Messung V0.5 in Prozent C=100 H=80 G=90
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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