Retro68/gcc/libstdc++-v3/testsuite/decimal/pr54036-1.cc
Wolfgang Thaller 6fbf4226da gcc-9.1
2019-06-20 20:10:10 +02:00

71 lines
1.6 KiB
C++

// Copyright (C) 2012-2019 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 }
#include <decimal/decimal>
#include <testsuite_hooks.h>
using namespace std::decimal;
decimal32
__attribute__ ((noinline))
my_nan32 (void)
{
decimal32 z = 0;
decimal32 v = z/z;
return v;
}
decimal32
__attribute__ ((noinline))
my_inf32 (void)
{
decimal32 o = 1;
decimal32 z = 0;
decimal32 v = o/z;
return v;
}
int
main ()
{
decimal32 v;
v = my_nan32 ();
VERIFY (__builtin_isnand32 (v.__getval ()));
VERIFY (!__builtin_signbitd32 (v.__getval ()));
v = -v;
VERIFY (__builtin_isnand32 (v.__getval ()));
VERIFY (__builtin_signbitd32 (v.__getval ()));
v = my_inf32 ();
VERIFY (__builtin_isinfd32 (v.__getval ()));
VERIFY (!__builtin_signbitd32 (v.__getval ()));
v = -v;
VERIFY (__builtin_isinfd32 (v.__getval ()));
VERIFY (__builtin_signbitd32 (v.__getval ()));
return 0;
}