/usr/include/SyFi/Dof.h is in libsyfi1.0-dev 1.0.0.dfsg-1.
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) 2006-2009 Kent-Andre Mardal and Simula Research Laboratory
//
// This file is part of SyFi.
//
// SyFi is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// SyFi 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with SyFi. If not, see <http://www.gnu.org/licenses/>.
#ifndef DOF_IS_INCLUDED
#define DOF_IS_INCLUDED
#include "FE.h"
#include <map>
#include <vector>
#include <iterator>
#include <iostream>
#include <stdexcept>
namespace SyFi
{
typedef std::pair<unsigned int, unsigned int> pair_ii;
typedef std::vector< std::pair<unsigned int, unsigned int> > vector_ii;
class Dof
{
protected:
// running counter for inserted global indices
unsigned int counter;
// highest element number inserted
unsigned int emax;
// highest local index inserted
unsigned int imax;
// the structures loc2dof, dof2index, and doc2loc are completely dynamic
// they are all initialized and updated by insert_dof(int e, int i, ex Li)
// (int e, int i) -> int j
std::map<std::pair<unsigned int,unsigned int>, unsigned int> loc2glob;
// (ex j) -> vector< pair<e1, i1>, .. pair<en, in> >
bool create_glob2loc;
std::map< unsigned int, vector_ii > glob2loc_map;
// (ex Lj) -> int j
std::map<GiNaC::ex , unsigned int, GiNaC::ex_is_less > dof2glob;
// (int j) -> ex Lj
bool create_glob2dof;
std::map< unsigned int, GiNaC::ex > glob2dof;
public:
Dof(bool create_glob2dof = false, bool create_glob2loc = false):
counter(0),
emax(0),
imax(0),
create_glob2loc(create_glob2loc),
create_glob2dof(create_glob2dof)
{
}
~Dof() {}
void clear();
// Update the internal structures with a new dof.
unsigned int insert_dof(unsigned int e, unsigned int i, GiNaC::ex Li);
// --- Helper functions to be used after all the dofs have been inserted.
// These do not modify the internal structure. ---
// Return the number of global dofs inserted.
unsigned int size() const
{ return counter; }
// Return the number of elements inserted.
unsigned int num_elements() const
{ return emax+1; }
// Return the number of dofs per elements.
unsigned int max_dofs_per_element() const
{ return imax+1; }
// Return the global index for local dof i in element e.
unsigned int glob_dof(unsigned int e, unsigned int i);
// Return the global index for dof Lj represented with GiNaC::ex.
unsigned int glob_dof(GiNaC::ex Lj);
// Return the dof GiNaC::ex for global index j.
GiNaC::ex glob_dof(unsigned int j);
// Return a vector of all the (element,index) pairs this global index is equivalent with.
vector_ii glob2loc(unsigned int j);
};
}
#endif
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