Subversion Repositories openrisc

// Copyright (C) 2009 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  3.2.2.5  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).
 
// Access member functions directly.
 
#include <decimal/decimal>
#include <testsuite_hooks.h>
 
// 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;
  std::decimal::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.operator++();
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator++(1);
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator--();
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  b = a;
  b.operator--(1);
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  // Check that the increment and decrement operators return the
  // correct value.
  b = a;
  c = b.operator++();
  ival = LONGLONG (c); VERIFY (ival == 12);
 
  b = a;
  c = b.operator++(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
 
  b = a;
  c = b.operator--();
  ival = LONGLONG (c); VERIFY (ival == 10);
 
  b = a;
  c = b.operator--(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
}
 
void
incdec64 (void)
{
  int ival;
  std::decimal::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.operator++();
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator++(1);
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator--();
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  b = a;
  b.operator--(1);
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  // Check that the increment and decrement operators return the
  // correct value.
  b = a;
  c = b.operator++();
  ival = LONGLONG (c); VERIFY (ival == 12);
 
  b = a;
  c = b.operator++(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
 
  b = a;
  c = b.operator--();
  ival = LONGLONG (c); VERIFY (ival == 10);
 
  b = a;
  c = b.operator--(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
}
 
void
incdec128 (void)
{
  int ival;
  std::decimal::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.operator++();
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator++(1);
  ival = LONGLONG (b); VERIFY (ival == 12);
 
  b = a;
  b.operator--();
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  b = a;
  b.operator--(1);
  ival = LONGLONG (b); VERIFY (ival == 10);
 
  // Check that the increment and decrement operators return the
  // correct value.
  b = a;
  c = b.operator++();
  ival = LONGLONG (c); VERIFY (ival == 12);
 
  b = a;
  c = b.operator++(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
 
  b = a;
  c = b.operator--();
  ival = LONGLONG (c); VERIFY (ival == 10);
 
  b = a;
  c = b.operator--(1);
  ival = LONGLONG (c); VERIFY (ival == 11);
}
 
int
main ()
{
  incdec32 ();
  incdec64 ();
  incdec128 ();
}