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3rdparty/boost_1_81_0/libs/mpl/test/arithmetic.cpp 1.58 KB
73ef4ff3   Hu Chunming   提交三方库
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  // Copyright Aleksey Gurtovoy 2001-2004
  //
  // Distributed under the Boost Software License, Version 1.0. 
  // (See accompanying file LICENSE_1_0.txt or copy at 
  // http://www.boost.org/LICENSE_1_0.txt)
  //
  // See http://www.boost.org/libs/mpl for documentation.
  
  // $Id$
  // $Date$
  // $Revision$
  
  #include <boost/mpl/arithmetic.hpp>
  #include <boost/mpl/int.hpp>
  #include <boost/mpl/aux_/test.hpp>
  
  MPL_TEST_CASE()
  {
      typedef int_<0> _0;
      typedef int_<1> _1;
      typedef int_<3> _3;
      typedef int_<10> _10;
  
      MPL_ASSERT_RELATION( (plus<_0,_10>::value), ==, 10 );
      MPL_ASSERT_RELATION( (plus<_10,_0>::value), ==, 10 );
  
      MPL_ASSERT_RELATION( (minus<_0,_10>::value), ==, -10 );
      MPL_ASSERT_RELATION( (minus<_10,_0>::value), ==, 10 );
  
      MPL_ASSERT_RELATION( (times<_1,_10>::value), ==, 10 );
      MPL_ASSERT_RELATION( (times<_10,_1>::value), ==, 10 );
      MPL_ASSERT_RELATION( (multiplies<_1,_10>::value), ==, 10 );
      MPL_ASSERT_RELATION( (multiplies<_10,_1>::value), ==, 10 );
  
      MPL_ASSERT_RELATION( (divides<_10,_1>::value), ==, 10 );
      MPL_ASSERT_RELATION( (divides<_10,_1>::value), ==, 10 );
  
      MPL_ASSERT_RELATION( (modulus<_10,_1>::value), ==, 0 );
      MPL_ASSERT_RELATION( (modulus<_10,_3>::value), ==, 1 );
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
      MPL_ASSERT_RELATION( (minus<_10,_1,_10>::value), ==, -1 );
      MPL_ASSERT_RELATION( (plus<_10,_1,_10>::value), ==, 21 );
      MPL_ASSERT_RELATION( (divides<_10,_1,_10>::value), ==, 1 );
      MPL_ASSERT_RELATION( (divides<_10,_1,_10>::value), ==, 1 );
  #endif
      
      MPL_ASSERT_RELATION( negate<_10>::value, ==, -10 );
  }