projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 7adcbafe | 1 | // Copyright (C) 2009-2022 Free Software Foundation, Inc. |
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2 | // |
| 3 | // This file is part of the GNU ISO C++ Library. This library is free | |
| 4 | // software; you can redistribute it and/or modify it under the | |
| 5 | // terms of the GNU General Public License as published by the | |
| 6 | // Free Software Foundation; either version 3, or (at your option) | |
| 7 | // any later version. | |
| 8 | ||
| 9 | // This library is distributed in the hope that it will be useful, | |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | // GNU General Public License for more details. | |
| 13 | ||
| 14 | // You should have received a copy of the GNU General Public License along | |
| 15 | // with this library; see the file COPYING3. If not see | |
| 16 | // <http://www.gnu.org/licenses/>. | |
| 17 | ||
| 18 | // { dg-do compile } | |
| 02ebbe2f | 19 | // { dg-require-effective-target dfp } |
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20 | |
| 21 | // ISO/IEC TR 24733 doesn't say explicitly that the conversion from a | |
| 22 | // decimal floating-point type to a generic float type is prohibited but | |
| 23 | // it implies that in section 4.3 when it says "In C, objects of decimal | |
| 24 | // floating-oint type can be converted to generic floating-point type by | |
| 25 | // means of an explicit cast. In C++ this is not possible." Check that | |
| 26 | // attempt to do a cast are flagged as errors. | |
| 27 | ||
| 28 | #include <decimal/decimal> | |
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29 | |
| 30 | using namespace std::decimal; | |
| 31 | ||
| 32 | float f; | |
| 33 | double d; | |
| 34 | long double ld; | |
| 35 | decimal32 d32; | |
| 36 | decimal64 d64; | |
| 37 | decimal128 d128; | |
| 38 | ||
| 39 | void | |
| 40 | foo (void) | |
| 41 | { | |
| 42 | f = d32; // { dg-error "error" } | |
| 43 | f = d64; // { dg-error "error" } | |
| 44 | f = d128; // { dg-error "error" } | |
| 45 | d = d32; // { dg-error "error" } | |
| 46 | d = d64; // { dg-error "error" } | |
| 47 | d = d128; // { dg-error "error" } | |
| 48 | ld = d32; // { dg-error "error" } | |
| 49 | ld = d64; // { dg-error "error" } | |
| 50 | ld = d128; // { dg-error "error" } | |
| 51 | ||
| 52 | f = (float)d32; // { dg-error "error" } | |
| 53 | f = (float)d64; // { dg-error "error" } | |
| 54 | f = (float)d128; // { dg-error "error" } | |
| 55 | d = (double)d32; // { dg-error "error" } | |
| 56 | d = (double)d64; // { dg-error "error" } | |
| 57 | d = (double)d128; // { dg-error "error" } | |
| 58 | ld = (long double)d32; // { dg-error "error" } | |
| 59 | ld = (long double)d64; // { dg-error "error" } | |
| 60 | ld = (long double)d128; // { dg-error "error" } | |
| 61 | } |