Sprout/sprout/numeric/accumulate.hpp
2012-04-01 22:15:09 +09:00

25 lines
908 B
C++

#ifndef SPROUT_NUMERIC_ACCUMLATE_HPP
#define SPROUT_NUMERIC_ACCUMLATE_HPP
#include <iterator>
#include <sprout/config.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
namespace sprout {
// Copyright (C) 2011 RiSK (sscrisk)
// 26.7.2 Accumulate
template<class InputIterator, typename T, typename BinaryOperation>
SPROUT_CONSTEXPR T accumulate(InputIterator first, InputIterator last, T init, BinaryOperation binary_op) {
return first == last ? init
: sprout::accumulate(first + 1, last, binary_op(init, *first), binary_op)
;
}
template<class InputIterator, typename T>
SPROUT_CONSTEXPR T accumulate(InputIterator first, InputIterator last, T init) {
return sprout::accumulate(first, last, init, NS_SSCRISK_CEL_OR_SPROUT::plus<typename std::iterator_traits<InputIterator>::value_type>());
}
} // namespace sprout
#endif // #ifndef SPROUT_NUMERIC_ACCUMLATE_HPP