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// Copyright 2002 The Trustees of Indiana University.
// Use, modification and distribution is subject to 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)
// Boost.MultiArray Library
// Authors: Ronald Garcia
// Jeremy Siek
// Andrew Lumsdaine
// See http://www.boost.org/libs/multi_array for documentation.
#ifndef FOR_EACH_HPP
#define FOR_EACH_HPP
//
// for_each.hpp - Writing an algorithm to transform each element of
// a multi_array
//
#include "boost/type.hpp"
template <typename Array, typename Element, typename Functor>
void for_each (const boost::type<Element>& type_dispatch,
Array A, Functor& xform) {
for_each(type_dispatch,A.begin(),A.end(),xform);
}
template <typename Element, typename Functor>
void for_each (const boost::type<Element>&,Element& Val, Functor& xform) {
Val = xform(Val);
}
template <typename Element, typename Iterator, typename Functor>
void for_each (const boost::type<Element>& type_dispatch,
Iterator begin, Iterator end,
Functor& xform) {
while (begin != end) {
for_each(type_dispatch,*begin,xform);
++begin;
}
}
template <typename Array, typename Functor>
void for_each (Array& A, Functor xform) {
// Dispatch to the proper function
for_each(boost::type<typename Array::element>(),A.begin(),A.end(),xform);
}
#endif // FOR_EACH_HPP
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