119 lines
4.8 KiB
C++
119 lines
4.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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/// \file algorithm.hpp
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/// Contains range-based versions of the std algorithms
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//
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/////////////////////////////////////////////////////////////////////////////
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// Copyright 2009 Neil Groves.
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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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//
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// Copyright 2006 Thorsten Ottosen.
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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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//
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// Copyright 2004 Eric Niebler.
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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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#if defined(_MSC_VER) && _MSC_VER >= 1000
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#pragma once
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#endif
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#ifndef BOOST_RANGE_NUMERIC_HPP
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#define BOOST_RANGE_NUMERIC_HPP
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#include <boost/config.hpp>
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#include <boost/assert.hpp>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/concepts.hpp>
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#include <boost/range/distance.hpp>
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#include <numeric>
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namespace boost
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{
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template< class SinglePassRange, class Value >
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inline Value accumulate( const SinglePassRange& rng, Value init )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
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return std::accumulate( boost::begin(rng), boost::end(rng), init );
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}
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template< class SinglePassRange, class Value, class BinaryOperation >
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inline Value accumulate( const SinglePassRange& rng, Value init, BinaryOperation op )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
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return std::accumulate( boost::begin(rng), boost::end(rng), init, op );
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}
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template< class SinglePassRange1, class SinglePassRange2, class Value >
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inline Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2, Value init )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
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BOOST_ASSERT( boost::distance(rng2) >= boost::distance(rng1) );
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return std::inner_product( boost::begin(rng1), boost::end(rng1),
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boost::begin(rng2), init );
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}
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template< class SinglePassRange1,
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class SinglePassRange2,
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class Value,
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class BinaryOperation1, class BinaryOperation2 >
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inline Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2,
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Value init,
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BinaryOperation1 op1, BinaryOperation2 op2 )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
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BOOST_ASSERT( boost::distance(rng2) >= boost::distance(rng1) );
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return std::inner_product( boost::begin(rng1), boost::end(rng1),
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boost::begin(rng2), init, op1, op2 );
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}
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template< class SinglePassRange, class OutputIterator >
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inline OutputIterator partial_sum ( const SinglePassRange& rng,
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OutputIterator result )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
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return std::partial_sum( boost::begin(rng), boost::end(rng), result );
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}
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template< class SinglePassRange, class OutputIterator, class BinaryOperation >
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inline OutputIterator partial_sum ( const SinglePassRange& rng, OutputIterator result,
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BinaryOperation op )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
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return std::partial_sum( boost::begin(rng), boost::end(rng), result, op );
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}
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template< class SinglePassRange, class OutputIterator >
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inline OutputIterator adjacent_difference ( const SinglePassRange& rng,
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OutputIterator result )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
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return std::adjacent_difference( boost::begin(rng), boost::end(rng),
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result );
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}
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template< class SinglePassRange, class OutputIterator, class BinaryOperation >
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inline OutputIterator adjacent_difference ( const SinglePassRange& rng,
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OutputIterator result,
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BinaryOperation op )
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> ));
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return std::adjacent_difference( boost::begin(rng), boost::end(rng),
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result, op );
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}
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}
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#endif
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