69 lines
2.0 KiB
Plaintext
69 lines
2.0 KiB
Plaintext
|
// 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 COPY_ARRAY_RG092101_HPP
|
||
|
|
#define COPY_ARRAY_RG092101_HPP
|
||
|
|
|
||
|
|
//
|
||
|
|
// copy_array.hpp - generic code for copying the contents of one
|
||
|
|
// Basic_MultiArray to another. We assume that they are of the same
|
||
|
|
// shape
|
||
|
|
//
|
||
|
|
#include "boost/type.hpp"
|
||
|
|
#include "boost/assert.hpp"
|
||
|
|
|
||
|
|
namespace boost {
|
||
|
|
namespace detail {
|
||
|
|
namespace multi_array {
|
||
|
|
|
||
|
|
template <typename Element>
|
||
|
|
class copy_dispatch {
|
||
|
|
public:
|
||
|
|
template <typename SourceIterator, typename DestIterator>
|
||
|
|
static void copy_array (SourceIterator first, SourceIterator last,
|
||
|
|
DestIterator result) {
|
||
|
|
while (first != last) {
|
||
|
|
copy_array(*first++,*result++);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
private:
|
||
|
|
// Array2 has to be passed by VALUE here because subarray
|
||
|
|
// pseudo-references are temporaries created by iterator::operator*()
|
||
|
|
template <typename Array1, typename Array2>
|
||
|
|
static void copy_array (const Array1& source, Array2 dest) {
|
||
|
|
copy_array(source.begin(),source.end(),dest.begin());
|
||
|
|
}
|
||
|
|
|
||
|
|
static void copy_array (const Element& source, Element& dest) {
|
||
|
|
dest = source;
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
template <typename Array1, typename Array2>
|
||
|
|
void copy_array (Array1& source, Array2& dest) {
|
||
|
|
BOOST_ASSERT(std::equal(source.shape(),source.shape()+source.num_dimensions(),
|
||
|
|
dest.shape()));
|
||
|
|
// Dispatch to the proper function
|
||
|
|
typedef typename Array1::element element_type;
|
||
|
|
copy_dispatch<element_type>::
|
||
|
|
copy_array(source.begin(),source.end(),dest.begin());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} // namespace multi_array
|
||
|
|
} // namespace detail
|
||
|
|
} // namespace boost
|
||
|
|
|
||
|
|
#endif // COPY_ARRAY_RG092101_HPP
|