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Diffstat (limited to 'libstdc++-v3/testsuite/decimal/conversion-to-integral.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/decimal/conversion-to-integral.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc new file mode 100644 index 000000000..9322c1bc7 --- /dev/null +++ b/libstdc++-v3/testsuite/decimal/conversion-to-integral.cc @@ -0,0 +1,85 @@ +// Copyright (C) 2009 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 } + +// ISO/IEC TR 24733 3.2.2.4 Conversion to integral type (decimal32). +// ISO/IEC TR 24733 3.2.3.4 Conversion to integral type (decimal64). +// ISO/IEC TR 24733 3.2.4.4 Conversion to integral type (decimal128). + +#include <decimal/decimal> +#include <climits> +#include <cstdio> +#include <testsuite_hooks.h> + +// Use extension to replace implicit long long conversion with function call. +#define LONGLONG(X) decimal_to_long_long(X) + +using namespace std::decimal; + +void +conversion_to_integral_32 (void) +{ + #undef MAXVAL + #define MAXVAL 999999LL + decimal32 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL); + long long ll; + + ll = LONGLONG (a); VERIFY (ll == 0LL); + ll = LONGLONG (b); VERIFY (ll == 1LL); + ll = LONGLONG (c); VERIFY (ll == -1LL); + ll = LONGLONG (d); VERIFY (ll == MAXVAL); + ll = LONGLONG (e); VERIFY (ll == -MAXVAL); +} + +void +conversion_to_integral_64 (void) +{ + #undef MAXVAL + #define MAXVAL 999999999999999LL + decimal64 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL); + long long ll; + + ll = LONGLONG (a); VERIFY (ll == 0LL); + ll = LONGLONG (b); VERIFY (ll == 1LL); + ll = LONGLONG (c); VERIFY (ll == -1LL); + ll = LONGLONG (d); VERIFY (ll == MAXVAL); + ll = LONGLONG (e); VERIFY (ll == -MAXVAL); +} + +void +conversion_to_integral_128 (void) +{ + #undef MAXVAL + #define MAXVAL LONG_LONG_MAX + decimal128 a, b (1), c (-1), d (MAXVAL), e (-MAXVAL); + long long ll; + + ll = LONGLONG (a); VERIFY (ll == 0LL); + ll = LONGLONG (b); VERIFY (ll == 1LL); + ll = LONGLONG (c); VERIFY (ll == -1LL); + ll = LONGLONG (d); VERIFY (ll == MAXVAL); + ll = LONGLONG (e); VERIFY (ll == -MAXVAL); +} + +int +main () +{ + conversion_to_integral_32 (); + conversion_to_integral_64 (); + conversion_to_integral_128 (); +} |