85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
// Copyright (C) 2009-2017 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-require-effective-target dfp }
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// ISO/IEC TR 24733 3.2.2.4 Conversion to integral type (decimal32).
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// ISO/IEC TR 24733 3.2.3.4 Conversion to integral type (decimal64).
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// ISO/IEC TR 24733 3.2.4.4 Conversion to integral type (decimal128).
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#include <decimal/decimal>
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#include <climits>
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#include <testsuite_hooks.h>
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// Use extension to replace implicit long long conversion with function call.
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#define LONGLONG(X) decimal_to_long_long(X)
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using namespace std::decimal;
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void
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conversion_to_integral_32 (void)
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{
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#undef MAXVAL
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#define MAXVAL 999999LL
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decimal32 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
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long long ll;
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ll = LONGLONG (a); VERIFY (ll == 0LL);
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ll = LONGLONG (b); VERIFY (ll == 1LL);
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ll = LONGLONG (c); VERIFY (ll == -1LL);
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ll = LONGLONG (d); VERIFY (ll == MAXVAL);
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ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
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}
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void
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conversion_to_integral_64 (void)
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{
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#undef MAXVAL
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#define MAXVAL 999999999999999LL
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decimal64 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
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long long ll;
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ll = LONGLONG (a); VERIFY (ll == 0LL);
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ll = LONGLONG (b); VERIFY (ll == 1LL);
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ll = LONGLONG (c); VERIFY (ll == -1LL);
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ll = LONGLONG (d); VERIFY (ll == MAXVAL);
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ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
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}
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void
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conversion_to_integral_128 (void)
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{
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#undef MAXVAL
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#define MAXVAL LONG_LONG_MAX
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decimal128 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL);
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long long ll;
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ll = LONGLONG (a); VERIFY (ll == 0LL);
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ll = LONGLONG (b); VERIFY (ll == 1LL);
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ll = LONGLONG (c); VERIFY (ll == -1LL);
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ll = LONGLONG (d); VERIFY (ll == MAXVAL);
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ll = LONGLONG (e); VERIFY (ll == -MAXVAL);
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}
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int
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main ()
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{
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conversion_to_integral_32 ();
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conversion_to_integral_64 ();
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conversion_to_integral_128 ();
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}
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