73ef4ff3
 Hu Chunming
提交三方库
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// Copyright (C) 2016-2018 T. Zachary Laine
//
// 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)
//[ calc1
#include <boost/yap/expression.hpp>
#include <iostream>
int main ()
{
using namespace boost::yap::literals;
// Displays "5"
std::cout << evaluate( 1_p + 2.0, 3.0 ) << std::endl;
// Displays "6"
std::cout << evaluate( 1_p * 2_p, 3.0, 2.0 ) << std::endl;
// Displays "0.5"
std::cout << evaluate( (1_p - 2_p) / 2_p, 3.0, 2.0 ) << std::endl;
return 0;
}
//]
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