// Copyright (C) 2009-2020 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-require-effective-target dfp } // ISO/IEC TR 24733 3.2.2.5 Increment and decrement operators (decimal32). // ISO/IEC TR 24733 3.2.3.5 Increment and decrement operators (decimal64). // ISO/IEC TR 24733 3.2.4.5 Increment and decrement operators (decimal128). #include #include // Use extension to replace implicit long long conversion with function call. #define LONGLONG(X) decimal_to_long_long(X) using namespace std::decimal; void incdec32 (void) { int ival; decimal32 a(11), b, c; // Verify that we get the expected value of b after assignment. b = a; ival = LONGLONG (b); VERIFY (ival == 11); // Check that the increment and decrement operators change the value // of the original class. b = a; ++b; ival = LONGLONG (b); VERIFY (ival == 12); b = a; b++; ival = LONGLONG (b); VERIFY (ival == 12); b = a; --b; ival = LONGLONG (b); VERIFY (ival == 10); b = a; b--; ival = LONGLONG (b); VERIFY (ival == 10); // Check that the increment and decrement operators return the // correct value. b = a; c = ++b; ival = LONGLONG (c); VERIFY (ival == 12); b = a; c = b++; ival = LONGLONG (c); VERIFY (ival == 11); b = a; c = --b; ival = LONGLONG (c); VERIFY (ival == 10); b = a; c = b--; ival = LONGLONG (c); VERIFY (ival == 11); } void incdec64 (void) { int ival; decimal64 a(11), b, c; // Verify that we get the expected value of b after assignment. b = a; ival = LONGLONG (b); VERIFY (ival == 11); // Check that the increment and decrement operators change the value // of the original class. b = a; ++b; ival = LONGLONG (b); VERIFY (ival == 12); b = a; b++; ival = LONGLONG (b); VERIFY (ival == 12); b = a; --b; ival = LONGLONG (b); VERIFY (ival == 10); b = a; b--; ival = LONGLONG (b); VERIFY (ival == 10); // Check that the increment and decrement operators return the // correct value. b = a; c = ++b; ival = LONGLONG (c); VERIFY (ival == 12); b = a; c = b++; ival = LONGLONG (c); VERIFY (ival == 11); b = a; c = --b; ival = LONGLONG (c); VERIFY (ival == 10); b = a; c = b--; ival = LONGLONG (c); VERIFY (ival == 11); } void incdec128 (void) { int ival; decimal128 a(11), b, c; // Verify that we get the expected value of b after assignment. b = a; ival = LONGLONG (b); VERIFY (ival == 11); // Check that the increment and decrement operators change the value // of the original class. b = a; ++b; ival = LONGLONG (b); VERIFY (ival == 12); b = a; b++; ival = LONGLONG (b); VERIFY (ival == 12); b = a; --b; ival = LONGLONG (b); VERIFY (ival == 10); b = a; b--; ival = LONGLONG (b); VERIFY (ival == 10); // Check that the increment and decrement operators return the // correct value. b = a; c = ++b; ival = LONGLONG (c); VERIFY (ival == 12); b = a; c = b++; ival = LONGLONG (c); VERIFY (ival == 11); b = a; c = --b; ival = LONGLONG (c); VERIFY (ival == 10); b = a; c = b--; ival = LONGLONG (c); VERIFY (ival == 11); } int main () { incdec32 (); incdec64 (); incdec128 (); }