// Copyright (C) 2009-2022 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 // . // { dg-do compile } // { dg-require-effective-target dfp } // Test that binary comparison operators do not accept mixed decimal // and generic floating-point operands. This isn't explicity prohibited // in ISO/IEC TR 24733 but it is prohibited in C, and in C++ there should // not be an implicit conversion from a decimal floating-point type to a // generic floating-point type. #include using namespace std::decimal; decimal32 a32, b32, c32; decimal64 a64, b64, c64; decimal128 a128, b128, c128; float f; double d; long double ld; bool b1, b2, b3, b4, b5, b6; void bad_eq (void) { b1 = b32 == f; // { dg-error "error" } b2 = ld == b32; // { dg-error "error" } b3 = b64 == d; // { dg-error "error" } b4 = ld == b64; // { dg-error "error" } b5 = b128 == ld; // { dg-error "error" } b6 = d == b128; // { dg-error "error" } } void bad_ne (void) { b1 = b32 != f; // { dg-error "error" } b2 = ld != b32; // { dg-error "error" } b3 = b64 != d; // { dg-error "error" } b4 = ld != b64; // { dg-error "error" } b5 = b128 != ld; // { dg-error "error" } b6 = d != b128; // { dg-error "error" } } void bad_lt (void) { b1 = b32 < f; // { dg-error "error" } b2 = ld < b32; // { dg-error "error" } b3 = b64 < d; // { dg-error "error" } b4 = ld < b64; // { dg-error "error" } b5 = b128 < ld; // { dg-error "error" } b6 = d < b128; // { dg-error "error" } } void bad_le (void) { b1 = b32 <= f; // { dg-error "error" } b2 = ld <= b32; // { dg-error "error" } b3 = b64 <= d; // { dg-error "error" } b4 = ld <= b64; // { dg-error "error" } b5 = b128 <= ld; // { dg-error "error" } b6 = d <= b128; // { dg-error "error" } } void bad_gt (void) { b1 = b32 > f; // { dg-error "error" } b2 = ld > b32; // { dg-error "error" } b3 = b64 > d; // { dg-error "error" } b4 = ld > b64; // { dg-error "error" } b5 = b128 > ld; // { dg-error "error" } b6 = d > b128; // { dg-error "error" } } void bad_ge (void) { b1 = b32 >= f; // { dg-error "error" } b2 = ld >= b32; // { dg-error "error" } b3 = b64 >= d; // { dg-error "error" } b4 = ld >= b64; // { dg-error "error" } b5 = b128 >= ld; // { dg-error "error" } b6 = d >= b128; // { dg-error "error" } }