/usr/include/dolfin/la/GenericTensor.h is in libdolfin-dev 2016.2.0-2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | // Copyright (C) 2007-2012 Anders Logg
//
// 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 Garth N. Wells 2007-2011
// Modified by Ola Skavhaug 2007
// Modified by Martin Alnæs 2008
//
// First added: 2007-01-17
// Last changed: 2012-08-22
#ifndef __GENERIC_TENSOR_H
#define __GENERIC_TENSOR_H
#include <cstdint>
#include <exception>
#include <memory>
#include <typeinfo>
#include <utility>
#include <dolfin/common/ArrayView.h>
#include <dolfin/common/MPI.h>
#include <dolfin/common/types.h>
#include <dolfin/log/log.h>
#include "LinearAlgebraObject.h"
namespace dolfin
{
class TensorLayout;
class GenericLinearAlgebraFactory;
/// This class defines a common interface for arbitrary rank tensors.
class GenericTensor : public virtual LinearAlgebraObject
{
public:
/// Destructor
virtual ~GenericTensor() {}
//--- Basic GenericTensor interface ---
/// Initialize zero tensor using tensor layout
virtual void init(const TensorLayout& tensor_layout) = 0;
/// Return true if empty
virtual bool empty() const = 0;
/// Return tensor rank (number of dimensions)
virtual std::size_t rank() const = 0;
/// Return size of given dimension
virtual std::size_t size(std::size_t dim) const = 0;
/// Return local ownership range
virtual std::pair<std::int64_t, std::int64_t>
local_range(std::size_t dim) const = 0;
/// Get block of values
virtual void get(double* block, const dolfin::la_index* num_rows,
const dolfin::la_index * const * rows) const = 0;
/// Set block of values using global indices
virtual void set(const double* block, const dolfin::la_index* num_rows,
const dolfin::la_index * const * rows) = 0;
/// Set block of values using local indices
virtual void set_local(const double* block,
const dolfin::la_index* num_rows,
const dolfin::la_index * const * rows) = 0;
/// Add block of values using global indices
virtual
void add(const double* block,
const std::vector<ArrayView<const dolfin::la_index>>& rows) = 0;
/// Add block of values using local indices
virtual void add_local(
const double* block,
const std::vector<ArrayView<const dolfin::la_index>>& rows) = 0;
/// Add block of values using global indices
virtual void add(const double* block, const dolfin::la_index* num_rows,
const dolfin::la_index * const * rows) = 0;
/// Add block of values using local indices
virtual void add_local(const double* block,
const dolfin::la_index* num_rows,
const dolfin::la_index * const * rows) = 0;
/// Set all entries to zero and keep any sparse structure
virtual void zero() = 0;
/// Finalize assembly of tensor
virtual void apply(std::string mode) = 0;
/// Return MPI communicator
//virtual MPI_Comm mpi_comm() const = 0;
/// Return informal string representation (pretty-print)
virtual std::string str(bool verbose) const = 0;
/// Return linear algebra backend factory
virtual GenericLinearAlgebraFactory& factory() const = 0;
};
}
#endif
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