/* test mpz_divisible_2exp_p */
/*
Copyright 2001 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 "tests.h"
void
check_one (mpz_srcptr a,
unsigned long d,
int want)
{
int got;
got = (mpz_divisible_2exp_p (a, d) !=
0 );
if (want != got)
{
printf (
"mpz_divisible_2exp_p wrong\n" );
printf (
" expected %d got %d\n" , want, got);
mpz_trace (
" a" , a);
printf (
" d=%lu\n" , d);
mp_trace_base = -
16 ;
mpz_trace (
" a" , a);
printf (
" d=0x%lX\n" , d);
abort ();
}
}
void
check_data (
void )
{
static const struct {
const char *a;
unsigned long d;
int want;
} data[] = {
{
"0" ,
0 ,
1 },
{
"0" ,
1 ,
1 },
{
"0" ,
2 ,
1 },
{
"0" ,
3 ,
1 },
{
"1" ,
0 ,
1 },
{
"1" ,
1 ,
0 },
{
"1" ,
2 ,
0 },
{
"1" ,
3 ,
0 },
{
"1" ,
10000 ,
0 },
{
"4" ,
0 ,
1 },
{
"4" ,
1 ,
1 },
{
"4" ,
2 ,
1 },
{
"4" ,
3 ,
0 },
{
"4" ,
4 ,
0 },
{
"4" ,
10000 ,
0 },
{
"0x80000000" ,
31 ,
1 },
{
"0x80000000" ,
32 ,
0 },
{
"0x80000000" ,
64 ,
0 },
{
"0x100000000" ,
32 ,
1 },
{
"0x100000000" ,
33 ,
0 },
{
"0x100000000" ,
64 ,
0 },
{
"0x8000000000000000" ,
63 ,
1 },
{
"0x8000000000000000" ,
64 ,
0 },
{
"0x8000000000000000" ,
128 ,
0 },
{
"0x10000000000000000" ,
64 ,
1 },
{
"0x10000000000000000" ,
65 ,
0 },
{
"0x10000000000000000" ,
128 ,
0 },
{
"0x10000000000000000" ,
256 ,
0 },
{
"0x10000000000000000100000000" ,
32 ,
1 },
{
"0x10000000000000000100000000" ,
33 ,
0 },
{
"0x10000000000000000100000000" ,
64 ,
0 },
{
"0x1000000000000000010000000000000000" ,
64 ,
1 },
{
"0x1000000000000000010000000000000000" ,
65 ,
0 },
{
"0x1000000000000000010000000000000000" ,
128 ,
0 },
{
"0x1000000000000000010000000000000000" ,
256 ,
0 },
{
"0x1000000000000000010000000000000000" ,
1024 ,
0 },
};
mpz_t a, d;
int i;
mpz_init (a);
mpz_init (d);
for (i =
0 ; i < numberof (data); i++)
{
mpz_set_str_or_abort (a, data[i].a,
0 );
check_one (a, data[i].d, data[i].want);
mpz_neg (a, a);
check_one (a, data[i].d, data[i].want);
}
mpz_clear (a);
mpz_clear (d);
}
int
main (
int argc,
char *argv[])
{
tests_start ();
check_data ();
tests_end ();
exit (
0 );
}
Messung V0.5 in Prozent C=95 H=87 G=90
¤ Dauer der Verarbeitung: 0.2 Sekunden
¤
*© Formatika GbR, Deutschland