71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
// Copyright (C) 2016-2018 T. Zachary Laine
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/yap/expression.hpp>
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#include <boost/test/minimal.hpp>
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#include <sstream>
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template<typename T>
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using term = boost::yap::terminal<boost::yap::expression, T>;
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namespace yap = boost::yap;
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int test_main(int, char * [])
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{
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{
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term<double> unity{1.0};
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{
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auto expr =
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unity + unity + unity + unity + unity + unity + unity + unity;
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double result = boost::yap::evaluate(expr);
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BOOST_CHECK(result == 8.0);
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}
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{
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auto expr =
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity;
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double result = boost::yap::evaluate(expr);
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BOOST_CHECK(result == 64.0);
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}
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#if 0 // This makes the Travis VMs barf.
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{
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auto expr =
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity +
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unity + unity + unity + unity + unity + unity + unity + unity;
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double result = boost::yap::evaluate(
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expr + expr + expr + expr + expr + expr + expr + expr +
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expr + expr + expr + expr + expr + expr + expr + expr +
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expr + expr + expr + expr + expr + expr + expr + expr +
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expr + expr + expr + expr + expr + expr + expr + expr
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);
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BOOST_CHECK(result == 64.0 * 32.0);
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}
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#endif
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}
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return 0;
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}
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