Retro68/gcc/libstdc++-v3/testsuite/decimal/ctor.cc
2022-10-27 20:55:19 +02:00

67 lines
1.6 KiB
C++

// Copyright (C) 2009-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
// any later version.
// This 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 General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-require-effective-target dfp }
// { dg-options "-Wno-pedantic" }
// ISO/IEC TR 24733 3.2.2.1 Construct/copy/destroy (decimal32).
// ISO/IEC TR 24733 3.2.3.1 Construct/copy/destroy (decimal64).
// ISO/IEC TR 24733 3.2.4.1 Construct/copy/destroy (decimal128).
// Test the default constructor.
#include <decimal/decimal>
#include <cstring>
#include <testsuite_hooks.h>
using namespace std::decimal;
void
ctor_32 (void)
{
decimal32 a;
float b __attribute__((mode(SD))) = 0.e-101DF;
VERIFY (std::memcmp (&a, &b, 4) == 0);
}
void
ctor_64 (void)
{
decimal64 a;
float b __attribute__((mode(DD))) = 0.e-398DD;
VERIFY (std::memcmp (&a, &b, 8) == 0);
}
void
ctor_128 (void)
{
decimal128 a;
float b __attribute__((mode(TD))) = 0.e-6176DL;
VERIFY (std::memcmp (&a, &b, 16) == 0);
}
int
main ()
{
ctor_32 ();
ctor_64 ();
ctor_128 ();
}