/usr/include/dolfin/la/BlockVector.h is in libdolfin-dev 1.4.0+dfsg-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | // Copyright (C) 2008 Kent-Andre Mardal
//
// 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, 2008.
// Modified by Garth N. Wells, 2011.
//
// First added: 2008-08-25
// Last changed: 2011-01-22
//
#ifndef __BLOCKVECTOR_H
#define __BLOCKVECTOR_H
#include <string>
#include <vector>
#include <memory>
#include <dolfin/common/types.h>
namespace dolfin
{
/// Forward declarations
class GenericVector;
class BlockVector
{
public:
/// Constructor
BlockVector(std::size_t n = 0);
/// Destructor
virtual ~BlockVector();
/// Return copy of tensor
virtual BlockVector* copy() const;
/// Set function
void set_block(std::size_t i, std::shared_ptr<GenericVector> v);
/// Get sub-vector (const)
std::shared_ptr<const GenericVector> get_block(std::size_t i) const;
/// Get sub-vector (non-const)
std::shared_ptr<GenericVector> get_block(std::size_t);
/// Add multiple of given vector (AXPY operation)
void axpy(double a, const BlockVector& x);
/// Return inner product with given vector
double inner(const BlockVector& x) const;
/// Return norm of vector
double norm(std::string norm_type) const;
/// Return minimum value of vector
double min() const;
/// Return maximum value of vector
double max() const;
/// Multiply vector by given number
const BlockVector& operator*= (double a);
/// Divide vector by given number
const BlockVector& operator/= (double a);
/// Add given vector
const BlockVector& operator+= (const BlockVector& x);
/// Subtract given vector
const BlockVector& operator-= (const BlockVector& x);
/// Assignment operator
const BlockVector& operator= (const BlockVector& x);
/// Assignment operator
const BlockVector& operator= (double a);
/// Return true if empty
virtual bool empty() const;
/// Number of vectors
std::size_t size() const;
/// Return informal string representation (pretty-print)
std::string str(bool verbose) const;
private:
std::vector<std::shared_ptr<GenericVector> > vectors;
};
}
#endif
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