| // Copyright (C) 2009-2013 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 <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 |
| bool test __attribute__((unused)) = true; |
| 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 |
| bool test __attribute__((unused)) = true; |
| 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 |
| bool test __attribute__((unused)) = true; |
| 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 (); |
| } |