/* Test mpf_cmp_si and mpf_cmp_z.
Copyright 2000 , 2001 , 2004 , 2015 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"
#define SGN(x) ((x) <
0 ? -
1 : (x) ==
0 ?
0 :
1 )
void
check_data (
void )
{
static const struct {
int a_base;
const char *a;
const char *b;
int want;
} data[] = {
{
10 ,
"0" ,
"1" , -
1 },
{
10 ,
"0" ,
"0" ,
0 },
{
10 ,
"0" ,
"-1" ,
1 },
{
10 ,
"1" ,
"1" ,
0 },
{
10 ,
"1" ,
"0" ,
1 },
{
10 ,
"1" ,
"-1" ,
1 },
{
10 ,
"-1" ,
"1" , -
1 },
{
10 ,
"-1" ,
"0" , -
1 },
{
10 ,
"-1" ,
"-1" ,
0 },
{
10 ,
"1.5" ,
"2" , -
1 },
{
10 ,
"1.5" ,
"1" ,
1 },
{
10 ,
"0.5" ,
"1" , -
1 },
{
10 ,
"-1.5" ,
"-2" ,
1 },
{
10 ,
"-1.5" ,
"-1" , -
1 },
{
10 ,
"-0.5" ,
"-1" ,
1 },
{
16 ,
"0" ,
"-0x80000000" ,
1 },
{
16 ,
"80000000" ,
"-0x80000000" ,
1 },
{
16 ,
"80000001" ,
"-0x80000000" ,
1 },
{
16 ,
"-80000000" ,
"-0x80000000" ,
0 },
{
16 ,
"-80000001" ,
"-0x80000000" , -
1 },
{
16 ,
"-FF0080000001" ,
"-0x80000000" , -
1 },
{
16 ,
"0" ,
"-0x8000000000000000" ,
1 },
{
16 ,
"8000000000000000" ,
"-0x8000000000000000" ,
1 },
{
16 ,
"8000000000000001" ,
"-0x8000000000000000" ,
1 },
{
16 ,
"-8000000000000000" ,
"-0x8000000000000000" ,
0 },
{
16 ,
"-8000000000000000.1" ,
"-0x8000000000000000" , -
1 },
{
16 ,
"-FF008000000000000001" ,
"-0x8000000000000000" , -
1 },
{
16 ,
"0" ,
"-0x876543210FEDCBA9876543210000000" ,
1 },
{
16 ,
"876543210FEDCBA9876543210000000" ,
"-0x876543210FEDCBA9876543210000000" ,
1 },
{
16 ,
"876543210FEDCBA9876543210000001" ,
"-0x876543210FEDCBA9876543210000000" ,
1 },
{
16 ,
"-876543210FEDCBA9876543210000000" ,
"-0x876543210FEDCBA9876543210000000" ,
0 },
{
16 ,
"-876543210FEDCBA9876543210000000.1" ,
"-0x876543210FEDCBA9876543210000000" , -
1 },
{ 16 , "-FF00876543210FEDCBA9876543210000000" , "-0x876543210FEDCBA9876543210000000" , -1 },
};
mpf_t a;
mpz_t bz;
long b;
int got;
int i;
mpf_init2 (a, 128 );
mpz_init (bz);
for (i = 0 ; i < numberof (data); i++)
{
mpf_set_str_or_abort (a, data[i].a, data[i].a_base);
mpz_set_str_or_abort (bz, data[i].b, 0 );
if (mpz_fits_slong_p (bz))
{
b = mpz_get_si (bz);
got = mpf_cmp_si (a, b);
if (SGN (got) != data[i].want)
{
printf ("mpf_cmp_si wrong on data[%d]\n" , i);
printf (" a=" ); mpf_out_str (stdout, 10 , 0 , a);
printf (" (%s)\n" , data[i].a);
printf (" b=%ld (%s)\n" , b, data[i].b);
printf (" got=%d\n" , got);
printf (" want=%d\n" , data[i].want);
abort();
}
}
got = mpf_cmp_z (a, bz);
if (SGN (got) != data[i].want)
{
b = mpz_get_si (bz);
printf ("mpf_cmp_z wrong on data[%d]\n" , i);
printf (" a=" ); mpf_out_str (stdout, 10 , 0 , a);
printf (" (%s)\n" , data[i].a);
printf (" b=%ld (%s)\n" , b, data[i].b);
printf (" got=%d\n" , got);
printf (" want=%d\n" , data[i].want);
abort();
}
}
mpf_clear (a);
mpz_clear (bz);
}
int
main (void )
{
tests_start ();
check_data ();
tests_end ();
exit (0 );
}
Messung V0.5 in Prozent C=93 H=95 G=93
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
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