Array.h

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// -*- c++ -*-
/*
 * Copyright (c) 2010-2012, Jim Bosch
 * All rights reserved.
 *
 * ndarray is distributed under a simple BSD-like license;
 * see the LICENSE file that should be present in the root
 * of the source distribution, or alternately available at:
 * https://github.com/ndarray/ndarray
 */
#ifndef NDARRAY_Array_h_INCLUDED
#define NDARRAY_Array_h_INCLUDED
 
#include "ndarray_fwd.h"
#include "ndarray/ArrayTraits.h"
#include "ndarray/ArrayBaseN.h"
#include "ndarray/Vector.h"
#include "ndarray/detail/Core.h"
#include "ndarray/views.h"
 
namespace ndarray {
 
template <typename T, int N, int C>
class Array : public ArrayBaseN< Array<T,N,C> > {
    typedef ArrayBaseN<Array> Super;
    typedef typename Super::Core Core;
    typedef typename Super::CorePtr CorePtr;
public:
 
    Array() : Super(0, Core::create()) {}
 
    Array(Array const & other) : Super(other._data, other._core) {}
 
    template <typename T_, int C_>
    Array(
        Array<T_,N,C_> const & other
#ifndef DOXYGEN
        , typename boost::enable_if<detail::Convertible<N,T_,C_,T,C>,void*>::type=0
#endif
    ) : Super(other._data, other._core) {}
 
    template <typename T_, int C_>
    Array(
        ArrayRef<T_,N,C_> const & other
#ifndef DOXYGEN
        , typename boost::enable_if<detail::Convertible<N,T_,C_,T,C>,void*>::type=0
#endif
    ) : Super(other._data, other._core) {}
 
    explicit Array(Size n1, Size n2=1, Size n3=1, Size n4=1, Size n5=1, Size n6=1, Size n7=1, Size n8=1);
 
    template <typename U>
    explicit Array(Vector<U,N> const & shape);
 
    Array & operator=(Array const & other) {
        if (&other != this) {
            this->_data = other._data;
            this->_core = other._core;
        }
        return *this;
    }
 
    template <typename T_, int C_>
#ifndef DOXYGEN
    typename boost::enable_if<detail::Convertible<N,T_,C_,T,C>, Array &>::type
#else
    Array &
#endif
    operator=(Array<T_,N,C_> const & other) {
        this->_data = other._data;
        this->_core = other._core;
        return *this;
    }
 
    template <typename T_, int C_>
#ifndef DOXYGEN
    typename boost::enable_if<detail::Convertible<N,T_,C_,T,C>, Array &>::type
#else
    Array &
#endif
    operator=(ArrayRef<T_,N,C_> const & other) {
        this->_data = other._data;
        this->_core = other._core;
        return *this;
    }
 
    template <typename T_, int N_, int C_>
    bool operator==(Array<T_,N_,C_> const & other) const {
        return this->getData() == other.getData()
            && this->getShape() == other.getShape()
            && this->getStrides() == other.getStrides();
    }
 
    template <typename T_, int N_, int C_>
    bool operator!=(Array<T_,N_,C_> const & other) const {
        return !this->operator==(other);
    }
 
    void swap(Array & other) {
        std::swap(this->_data, other._data);
        this->_core.swap(other._core);
    }
 
    bool isUnique() const { return this->_core->isUnique(); }
 
private:
    template <typename T_, int N_, int C_> friend class Array;
    template <typename T_, int N_, int C_> friend class ArrayRef;
    template <typename T_, int N_, int C_> friend struct ArrayTraits;
    template <typename Derived> friend class ArrayBase;
    template <typename Array_> friend class detail::ArrayAccess;
 
    Array(T * data, CorePtr const & core) : Super(data, core) {}
};
 
} // namespace ndarray
 
#endif // !NDARRAY_Array_h_INCLUDED