Squashed 'third_party/boostorg/range/' content from commit 4cfd4d8
Change-Id: I641c49f21039952b16f888223a952503e43a28a9
git-subtree-dir: third_party/boostorg/range
git-subtree-split: 4cfd4d8287ca949d7f29256adf3e796a0d1775ec
diff --git a/include/boost/range/numeric.hpp b/include/boost/range/numeric.hpp
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+++ b/include/boost/range/numeric.hpp
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+// Copyright 2009-2014 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)
+//
+// Contains range-based versions of the numeric std algorithms
+//
+#if defined(_MSC_VER)
+ #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/category.hpp>
+#include <boost/range/concepts.hpp>
+#include <boost/range/distance.hpp>
+#include <boost/range/size.hpp>
+#include <numeric>
+
+
+namespace boost
+{
+ template<class SinglePassRange, class Value>
+ inline Value accumulate(const SinglePassRange& rng, Value init)
+ {
+ BOOST_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange> ));
+
+ return std::accumulate(boost::begin(rng), boost::end(rng), init, op);
+ }
+
+ namespace range_detail
+ {
+ template<class SinglePassRange1, class SinglePassRange2>
+ inline bool inner_product_precondition(
+ const SinglePassRange1&,
+ const SinglePassRange2&,
+ std::input_iterator_tag,
+ std::input_iterator_tag)
+ {
+ return true;
+ }
+
+ template<class SinglePassRange1, class SinglePassRange2>
+ inline bool inner_product_precondition(
+ const SinglePassRange1& rng1,
+ const SinglePassRange2& rng2,
+ std::forward_iterator_tag,
+ std::forward_iterator_tag)
+ {
+ return boost::size(rng2) >= boost::size(rng1);
+ }
+
+ } // namespace range_detail
+
+ template<
+ class SinglePassRange1,
+ class SinglePassRange2,
+ class Value
+ >
+ inline Value inner_product(
+ const SinglePassRange1& rng1,
+ const SinglePassRange2& rng2,
+ Value init)
+ {
+ BOOST_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange1>));
+
+ BOOST_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange2>));
+
+ BOOST_ASSERT(
+ range_detail::inner_product_precondition(
+ rng1, rng2,
+ typename range_category<const SinglePassRange1>::type(),
+ typename range_category<const SinglePassRange2>::type()));
+
+ 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange1>));
+
+ BOOST_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange2>));
+
+ BOOST_ASSERT(
+ range_detail::inner_product_precondition(
+ rng1, rng2,
+ typename range_category<const SinglePassRange1>::type(),
+ typename range_category<const SinglePassRange2>::type()));
+
+ 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const 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_RANGE_CONCEPT_ASSERT((
+ SinglePassRangeConcept<const SinglePassRange>));
+
+ return std::adjacent_difference(boost::begin(rng), boost::end(rng),
+ result, op);
+ }
+
+} // namespace boost
+
+#endif