projects / thirdparty / gcc.git / blame
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|---|---|---|
| 99dee823 | 1 | // Copyright (C) 2009-2021 Free Software Foundation, Inc. |
| 4cdc8761 BK |
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 | ||
| 02ebbe2f | 18 | // { dg-require-effective-target dfp } |
| 4cdc8761 BK |
19 | |
| 20 | // ISO/IEC TR 24733 3.2.2.2 Conversion from floating-point type (decimal32). | |
| 21 | // ISO/IEC TR 24733 3.2.3.2 Conversion from floating-point type (decimal64). | |
| 22 | // ISO/IEC TR 24733 3.2.4.2 Conversion from floating-point type (decimal128). | |
| 23 | ||
| 24 | #include <decimal/decimal> | |
| 25 | #include <testsuite_hooks.h> | |
| 26 | ||
| 27 | using namespace std::decimal; | |
| 28 | ||
| 29 | void | |
| 30 | conversion_from_float_32 () | |
| 31 | { | |
| 32 | decimal32 d32(123); | |
| 33 | decimal64 d64(234); | |
| 34 | decimal128 d128(345); | |
| 35 | float f = 456.F; | |
| 36 | double d = 567.; | |
| 37 | long double ld = 678.L; | |
| 38 | ||
| 39 | d32 = (decimal32) d64; | |
| 40 | VERIFY (d32 == make_decimal32 (234LL, 0)); | |
| 41 | d32 = (decimal32) d128; | |
| 42 | VERIFY (d32 == make_decimal32 (345LL, 0)); | |
| 43 | d32 = (decimal32) f; | |
| 44 | VERIFY (d32 == make_decimal32 (456LL, 0)); | |
| 45 | d32 = (decimal32) d; | |
| 46 | VERIFY (d32 == make_decimal32 (567LL, 0)); | |
| 47 | d32 = (decimal32) ld; | |
| 48 | VERIFY (d32 == make_decimal32 (678LL, 0)); | |
| 49 | } | |
| 50 | ||
| 51 | void | |
| 52 | conversion_from_float_64 () | |
| 53 | { | |
| 54 | decimal32 d32(123); | |
| 55 | decimal64 d64(234); | |
| 56 | decimal128 d128(345); | |
| 57 | float f = 456.F; | |
| 58 | double d = 567.; | |
| 59 | long double ld = 678.L; | |
| 60 | ||
| 61 | d64 = d32; | |
| 62 | VERIFY (d64 == make_decimal64 (123LL, 0)); | |
| 63 | d64 = (decimal64) d128; | |
| 64 | VERIFY (d64 == make_decimal64 (345LL, 0)); | |
| 65 | d64 = (decimal64) f; | |
| 66 | VERIFY (d64 == make_decimal64 (456LL, 0)); | |
| 67 | d64 = (decimal64) d; | |
| 68 | VERIFY (d64 == make_decimal64 (567LL, 0)); | |
| 69 | d64 = (decimal64) ld; | |
| 70 | VERIFY (d64 == make_decimal64 (678LL, 0)); | |
| 71 | } | |
| 72 | ||
| 73 | void | |
| 74 | conversion_from_float_128 () | |
| 75 | { | |
| 76 | decimal32 d32(123); | |
| 77 | decimal64 d64(234); | |
| 78 | decimal128 d128(345); | |
| 79 | float f = 456.F; | |
| 80 | double d = 567.; | |
| 81 | long double ld = 678.L; | |
| 82 | ||
| 83 | d128 = d32; | |
| 84 | VERIFY (d128 == make_decimal128 (123LL, 0)); | |
| 85 | d128 = d64; | |
| 86 | VERIFY (d128 == make_decimal128 (234LL, 0)); | |
| 87 | d128 = (decimal128) f; | |
| 88 | VERIFY (d128 == make_decimal128 (456LL, 0)); | |
| 89 | d128 = (decimal128) d; | |
| 90 | VERIFY (d128 == make_decimal128 (567LL, 0)); | |
| 91 | d128 = (decimal128) ld; | |
| 92 | VERIFY (d128 == make_decimal128 (678LL, 0)); | |
| 93 | } | |
| 94 | ||
| 95 | int | |
| 96 | main () | |
| 97 | { | |
| 98 | conversion_from_float_32 (); | |
| 99 | conversion_from_float_64 (); | |
| 100 | conversion_from_float_128 (); | |
| 101 | } |