| // 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 3.2.2.2 Conversion from floating-point type (decimal32). |
| // ISO/IEC TR 24733 3.2.3.2 Conversion from floating-point type (decimal64). |
| // ISO/IEC TR 24733 3.2.4.2 Conversion from floating-point type (decimal128). |
| |
| #include <decimal/decimal> |
| #include <testsuite_hooks.h> |
| |
| using namespace std::decimal; |
| |
| void |
| conversion_from_float_32 () |
| { |
| bool test __attribute__((unused)) = true; |
| decimal32 d32(123); |
| decimal64 d64(234); |
| decimal128 d128(345); |
| float f = 456.F; |
| double d = 567.; |
| long double ld = 678.L; |
| |
| d32 = (decimal32) d64; |
| VERIFY (d32 == make_decimal32 (234LL, 0)); |
| d32 = (decimal32) d128; |
| VERIFY (d32 == make_decimal32 (345LL, 0)); |
| d32 = (decimal32) f; |
| VERIFY (d32 == make_decimal32 (456LL, 0)); |
| d32 = (decimal32) d; |
| VERIFY (d32 == make_decimal32 (567LL, 0)); |
| d32 = (decimal32) ld; |
| VERIFY (d32 == make_decimal32 (678LL, 0)); |
| } |
| |
| void |
| conversion_from_float_64 () |
| { |
| bool test __attribute__((unused)) = true; |
| decimal32 d32(123); |
| decimal64 d64(234); |
| decimal128 d128(345); |
| float f = 456.F; |
| double d = 567.; |
| long double ld = 678.L; |
| |
| d64 = d32; |
| VERIFY (d64 == make_decimal64 (123LL, 0)); |
| d64 = (decimal64) d128; |
| VERIFY (d64 == make_decimal64 (345LL, 0)); |
| d64 = (decimal64) f; |
| VERIFY (d64 == make_decimal64 (456LL, 0)); |
| d64 = (decimal64) d; |
| VERIFY (d64 == make_decimal64 (567LL, 0)); |
| d64 = (decimal64) ld; |
| VERIFY (d64 == make_decimal64 (678LL, 0)); |
| } |
| |
| void |
| conversion_from_float_128 () |
| { |
| bool test __attribute__((unused)) = true; |
| decimal32 d32(123); |
| decimal64 d64(234); |
| decimal128 d128(345); |
| float f = 456.F; |
| double d = 567.; |
| long double ld = 678.L; |
| |
| d128 = d32; |
| VERIFY (d128 == make_decimal128 (123LL, 0)); |
| d128 = d64; |
| VERIFY (d128 == make_decimal128 (234LL, 0)); |
| d128 = (decimal128) f; |
| VERIFY (d128 == make_decimal128 (456LL, 0)); |
| d128 = (decimal128) d; |
| VERIFY (d128 == make_decimal128 (567LL, 0)); |
| d128 = (decimal128) ld; |
| VERIFY (d128 == make_decimal128 (678LL, 0)); |
| } |
| |
| int |
| main () |
| { |
| conversion_from_float_32 (); |
| conversion_from_float_64 (); |
| conversion_from_float_128 (); |
| } |