DOLFIN
DOLFIN C++ interface
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Array.h
1// Copyright (C) 2009-2012 Garth N. Wells
2//
3// This file is part of DOLFIN.
4//
5// DOLFIN is free software: you can redistribute it and/or modify
6// it under the terms of the GNU Lesser General Public License as published by
7// the Free Software Foundation, either version 3 of the License, or
8// (at your option) any later version.
9//
10// DOLFIN is distributed in the hope that it will be useful,
11// but WITHOUT ANY WARRANTY; without even the implied warranty of
12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13// GNU Lesser General Public License for more details.
14//
15// You should have received a copy of the GNU Lesser General Public License
16// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
17//
18// Modified by Anders Logg 2010-2011
19// Modified by Joachim B Haga 2012
20//
21// First added: 2009-12-06
22// Last changed: 2012-03-12
23
24#ifndef __DOLFIN_ARRAY_H
25#define __DOLFIN_ARRAY_H
26
27#include <cstddef>
28#include <sstream>
29#include <string>
30
31#include <dolfin/common/constants.h>
32#include <dolfin/log/log.h>
33
34namespace dolfin
35{
36
40
41 template <typename T> class Array
42 {
43
44 public:
45
47 explicit Array(std::size_t N) : _size(N), _x(new T[N]), _owner(true) {}
48
50 Array(std::size_t N, T* x) : _size(N), _x(x), _owner(false) {}
51
54 {
55 if (_owner)
56 delete [] _x;
57 }
58
63 std::string str(bool verbose) const
64 {
65 std::stringstream s;
66
67 if (verbose)
68 {
69 s << str(false) << std::endl << std::endl;
70
71 for (std::size_t i = 0; i < size(); i++)
72 s << i << ": " << (*this)[i] << std::endl;
73 }
74 else
75 s << "<Array<T> of size " << size() << ">";
76
77 return s.str();
78 }
79
81 std::size_t size() const
82 { return _size; }
83
85 const T& operator[] (std::size_t i) const
86 { dolfin_assert(i < _size); return _x[i]; }
87
89 T& operator[] (std::size_t i)
90 { dolfin_assert(i < _size); return _x[i]; }
91
93 const T* data() const
94 { return _x; }
95
97 T* data()
98 { return _x; }
99
100 private:
101
105 Array(const Array& other) = delete;
106
107 private:
108
110 const std::size_t _size;
111
113 T* _x;
114
116 bool _owner;
117
118 };
119
120}
121
122#endif
Definition SubDomain.h:36
T * data()
Return pointer to data (non-const version)
Definition Array.h:97
Array(std::size_t N, T *x)
Construct array from a pointer. Array does not take ownership.
Definition Array.h:50
const T * data() const
Return pointer to data (const version)
Definition Array.h:93
Array(std::size_t N)
Create array of size N. Array has ownership.
Definition Array.h:47
std::size_t size() const
Return size of array.
Definition Array.h:81
std::string str(bool verbose) const
Definition Array.h:63
~Array()
Destructor.
Definition Array.h:53
const T & operator[](std::size_t i) const
Access value of given entry (const version)
Definition Array.h:85
Definition adapt.h:30