/* Test stream formatted input and output on mp*_class
Copyright 2011 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 <sstream>
#include "gmpxx.h"
#include "gmp-impl.h"
#include "tests.h"
using namespace std;
// The tests are extremely basic. These functions just forward to the
// ones tested in t-istream.cc and t-ostream.cc; we rely on those for
// advanced tests and only check the syntax here.
void
checki ()
{
{
istringstream i(
"123" );
mpz_class x;
i >> x;
ASSERT_ALWAYS (x ==
123 );
}
{
istringstream i(
"3/4" );
mpq_class x;
i >> x;
ASSERT_ALWAYS (x == .
75 );
}
{
istringstream i(
"1.5" );
mpf_class x;
i >> x;
ASSERT_ALWAYS (x ==
1 .
5 );
}
}
void
checko ()
{
{
ostringstream o;
mpz_class x=
123 ;
o << x;
ASSERT_ALWAYS (o.str() ==
"123" );
}
{
ostringstream o;
mpz_class x=
123 ;
o << (x+
1 );
ASSERT_ALWAYS (o.str() ==
"124" );
}
{
ostringstream o;
mpq_class x(
3 ,
4 );
o << x;
ASSERT_ALWAYS (o.str() ==
"3/4" );
}
{
ostringstream o;
mpq_class x(
3 ,
4 );
o << (x+
1 );
ASSERT_ALWAYS (o.str() ==
"7/4" );
}
{
ostringstream o;
mpf_class x=
1 .
5 ;
o << x;
ASSERT_ALWAYS (o.str() ==
"1.5" );
}
{
ostringstream o;
mpf_class x=
1 .
5 ;
o << (x+
1 );
ASSERT_ALWAYS (o.str() ==
"2.5" );
}
}
int
main (
int argc,
char *argv[])
{
tests_start ();
checki ();
checko ();
tests_end ();
return 0 ;
}
Messung V0.5 in Prozent C=91 H=97 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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