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Array.h
// Copyright (C) 2009-2012 Garth N. Wells
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// Modified by Anders Logg 2010-2011
// Modified by Joachim B Haga 2012
//
// First added: 2009-12-06
// Last changed: 2012-03-12
#ifndef __DOLFIN_ARRAY_H
#define __DOLFIN_ARRAY_H
#include <cstddef>
#include <sstream>
#include <string>
#include <dolfin/common/constants.h>
#include <dolfin/log/log.h>
namespace dolfin
{
template <typename T> class Array
{
public:
explicit Array(std::size_t N) : _size(N), _x(new T[N]), _owner(true) {}
Array(std::size_t N, T* x) : _size(N), _x(x), _owner(false) {}
~Array()
{
if (_owner)
delete [] _x;
}
std::string str(bool verbose) const
{
std::stringstream s;
if (verbose)
{
s << str(false) << std::endl << std::endl;
for (std::size_t i = 0; i < size(); i++)
s << i << ": " << (*this)[i] << std::endl;
}
else
s << "<Array<T> of size " << size() << ">";
return s.str();
}
std::size_t size() const
{ return _size; }
const T& operator[] (std::size_t i) const
{ dolfin_assert(i < _size); return _x[i]; }
T& operator[] (std::size_t i)
{ dolfin_assert(i < _size); return _x[i]; }
const T* data() const
{ return _x; }
T* data()
{ return _x; }
private:
Array(const Array& other) = delete;
private:
const std::size_t _size;
T* _x;
bool _owner;
};
}
#endif
dolfin::Array
Definition Array.h:42
dolfin::Array::data
T * data()
Return pointer to data (non-const version).
Definition Array.h:97
dolfin::Array::Array
Array(std::size_t N, T *x)
Construct array from a pointer. Array does not take ownership.
Definition Array.h:50
dolfin::Array::data
const T * data() const
Return pointer to data (const version).
Definition Array.h:93
dolfin::Array::Array
Array(std::size_t N)
Create array of size N. Array has ownership.
Definition Array.h:47
dolfin::Array::size
std::size_t size() const
Return size of array.
Definition Array.h:81
dolfin::Array::str
std::string str(bool verbose) const
Definition Array.h:63
dolfin::Array::~Array
~Array()
Destructor.
Definition Array.h:53
dolfin::Array::operator[]
const T & operator[](std::size_t i) const
Access value of given entry (const version).
Definition Array.h:85
dolfin
Definition adapt.h:30