/usr/include/dolfin/fem/AssemblerBase.h is in libdolfin1.3-dev 1.3.0+dfsg-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 | // Copyright (C) 2007-2009 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, 2007-2008.
// Modified by Ola Skavhaug, 2008.
//
// First added: 2007-01-17
// Last changed: 2013-09-19
#ifndef __ASSEMBLER_BASE_H
#define __ASSEMBLER_BASE_H
#include <string>
#include <utility>
#include <vector>
#include <dolfin/common/types.h>
namespace dolfin
{
// Forward declarations
class GenericTensor;
class Form;
/// This class provides some common functions used in
/// assembler classes.
class AssemblerBase
{
public:
// Check form
AssemblerBase() :
reset_sparsity(true),
add_values(false),
finalize_tensor(true),
keep_diagonal(false) {}
/// reset_sparsity (bool)
/// Default value is true.
/// This controls whether the sparsity pattern of the
/// given tensor is reset prior to assembly.
bool reset_sparsity;
/// add_values (bool)
/// Default value is false.
/// This controls whether values are added to the given
/// tensor or if it is zeroed prior to assembly.
bool add_values;
/// finalize_tensor (bool)
/// Default value is true.
/// This controls whether the assembler finalizes the
/// given tensor after assembly is completed by calling
/// A.apply().
bool finalize_tensor;
/// keep_diagonal (bool)
/// Default value is false.
/// This controls whether the assembler enures that a diagonal
/// entry exists in an assembled matrix. It may be removed
/// if the matrix is finalised.
bool keep_diagonal;
// Initialize global tensor
void init_global_tensor(GenericTensor& A, const Form& a);
protected:
// Check for compatibility of reset_sparsity, add_values,
// finalize_tensor and keep_diagonal
void check_parameters() const;
// Check form
static void check(const Form& a);
// Pretty-printing for progress bar
static std::string progress_message(std::size_t rank, std::string integral_type);
};
}
#endif
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