Boost.RangeEx merged into Boost.Range

[SVN r60897]

include/boost/range/numeric.hpp

@@ -0,0 +1,117 @@
+///////////////////////////////////////////////////////////////////////////////
+/// \file algorithm.hpp
+///   Contains range-based versions of the std algorithms
+//
+/////////////////////////////////////////////////////////////////////////////
+// Copyright 2009 Neil Groves.
+// 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)
+// 
+
+// Copyright 2006 Thorsten Ottosen.
+// 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)
+// 
+// Copyright 2004 Eric Niebler.
+// 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)
+
+#if defined(_MSC_VER) && _MSC_VER >= 1000
+	#pragma once
+#endif
+
+#ifndef BOOST_RANGE_NUMERIC_HPP
+#define BOOST_RANGE_NUMERIC_HPP
+
+#include <boost/config.hpp>
+#include <boost/assert.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+#include <boost/range/concepts.hpp>
+#include <numeric>
+
+
+namespace boost
+{
+	template< class SinglePassRange, class Value >
+	inline Value accumulate( const SinglePassRange& rng, Value init )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::accumulate( boost::begin(rng), boost::end(rng), init );
+	}
+
+	template< class SinglePassRange, class Value, class BinaryOperation >
+	inline Value accumulate( const SinglePassRange& rng, Value init, BinaryOperation op )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::accumulate( boost::begin(rng), boost::end(rng), init, op );
+	}
+
+
+	template< class SinglePassRange1, class SinglePassRange2, class Value >
+	inline Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2, Value init )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange1> >();
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange2> >();
+        BOOST_ASSERT( boost::distance(rng2) >= boost::distance(rng1) );
+		return std::inner_product( boost::begin(rng1), boost::end(rng1), 
+            boost::begin(rng2), init ); 
+	}
+
+	template< class SinglePassRange1,
+              class SinglePassRange2,
+              class Value, 
+		      class BinaryOperation1, class BinaryOperation2 >
+	inline Value inner_product( const SinglePassRange1& rng1, const SinglePassRange2& rng2,
+                                Value init, 
+							    BinaryOperation1 op1, BinaryOperation2 op2 )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange1> >();
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange2> >();
+        BOOST_ASSERT( boost::distance(rng2) >= boost::distance(rng1) );
+
+		return std::inner_product( boost::begin(rng1), boost::end(rng1), 
+                                   boost::begin(rng2), init, op1, op2 ); 
+	}
+
+	template< class SinglePassRange, class OutputIterator >
+	inline OutputIterator partial_sum ( const SinglePassRange& rng, 
+										OutputIterator result )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::partial_sum( boost::begin(rng), boost::end(rng), result );
+	}
+
+	template< class SinglePassRange, class OutputIterator, class BinaryOperation >
+	inline OutputIterator partial_sum ( const SinglePassRange& rng, OutputIterator result, 
+										BinaryOperation op )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::partial_sum( boost::begin(rng), boost::end(rng), result, op );
+	}
+
+	template< class SinglePassRange, class OutputIterator >
+	inline OutputIterator adjacent_difference ( const SinglePassRange& rng,
+												OutputIterator result )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::adjacent_difference( boost::begin(rng), boost::end(rng), 
+										 result );
+	}
+
+	template< class SinglePassRange, class OutputIterator, class BinaryOperation >
+	inline OutputIterator adjacent_difference ( const SinglePassRange& rng,
+												OutputIterator result,
+												BinaryOperation op )
+	{
+        boost::function_requires< SinglePassRangeConcept<SinglePassRange> >();
+		return std::adjacent_difference( boost::begin(rng), boost::end(rng), 
+										 result, op );
+	}
+	
+}
+
+#endif