SyFi::Dof Class Reference

#include <Dof.h>

List of all members.

Public Member Functions
	Dof (bool create_glob2dof=false, bool create_glob2loc=false)
	~Dof ()
void	clear ()
unsigned int	insert_dof (unsigned int e, unsigned int i, GiNaC::ex Li)
unsigned int	size () const
unsigned int	num_elements () const
unsigned int	max_dofs_per_element () const
unsigned int	glob_dof (unsigned int e, unsigned int i)
unsigned int	glob_dof (GiNaC::ex Lj)
GiNaC::ex	glob_dof (unsigned int j)
vector_ii	glob2loc (unsigned int j)
Protected Attributes
unsigned int	counter
unsigned int	emax
unsigned int	imax
std::map< std::pair< unsigned int, unsigned int >, unsigned int >	loc2glob
bool	create_glob2loc
std::map< unsigned int, vector_ii >	glob2loc_map
std::map< GiNaC::ex, unsigned int, GiNaC::ex_is_less >	dof2glob
bool	create_glob2dof
std::map< unsigned int, GiNaC::ex >	glob2dof

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Detailed Description

Definition at line 35 of file Dof.h.

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Constructor & Destructor Documentation

SyFi::Dof::Dof	(	bool	create_glob2dof = false,
		bool	create_glob2loc = false
	)		[inline]

Definition at line 65 of file Dof.h.

                                                                                       :
                        counter(0),
                                emax(0),
                                imax(0),
                                create_glob2loc(create_glob2loc),
                                create_glob2dof(create_glob2dof)
                        {
                        }

SyFi::Dof::~Dof

(

)

[inline]

Definition at line 74 of file Dof.h.

{}

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Member Function Documentation

void SyFi::Dof::clear

(

)

Definition at line 25 of file Dof.cpp.

        {
                counter = 0;
                emax = 0;
                imax = 0;

                loc2glob.clear();
                dof2glob.clear();
                glob2dof.clear();
                glob2loc_map.clear();
        }

vector_ii SyFi::Dof::glob2loc

(

unsigned int

j

)

Definition at line 138 of file Dof.cpp.

Referenced by main().

        {
                if ( !create_glob2loc )
                {
                        throw std::runtime_error("This structure has not been created, you must turn on the create_glob2loc flag before initialization!");
                }

                return glob2loc_map[j];
        }

unsigned int SyFi::Dof::glob_dof	(	unsigned int	e,
		unsigned int	i
	)

Definition at line 92 of file Dof.cpp.

References run_all::res.

Referenced by SyFi::compute_mixed_Poisson_element_matrix(), compute_nlconvdiff_element_matrix(), compute_Poisson_element_matrix(), SyFi::compute_Poisson_element_matrix(), SyFi::compute_Stokes_element_matrix(), and main().

        {
                pair_ii index(e, i);
                std::map<pair_ii, unsigned int >::iterator res = loc2glob.find(index);

                if ( res == loc2glob.end() )
                {
                        //throw std::runtime_error("In glob_dof(e,i): Not found");
                        return -1;
                }

                return res->second;
        }

unsigned int SyFi::Dof::glob_dof

(

GiNaC::ex

Lj

)

Definition at line 106 of file Dof.cpp.

References run_all::res.

        {
                std::map<GiNaC::ex, unsigned int, GiNaC::ex_is_less>::iterator res = dof2glob.find(Lj);

                if ( res == dof2glob.end() )
                {
                        //throw std::runtime_error("In glob_dof(Lj): Not found");
                        return -1;
                }

                return res->second;
        }

GiNaC::ex SyFi::Dof::glob_dof

(

unsigned int

j

)

Definition at line 119 of file Dof.cpp.

        {
                if ( !create_glob2dof )
                {
                        throw std::runtime_error("This structure has not been created, you must turn on the create_glob2dof flag before initialization!");
                }

                std::map<unsigned int, GiNaC::ex>::iterator iter = glob2dof.find(j);

                if ( iter == glob2dof.end() )
                {
                        //throw std::runtime_error("In glob_dof(j): Not found");
                        std::cerr << "In glob_dof(j): Not found" << std::endl;
                        return GiNaC::ex();
                }

                return iter->second;
        }

unsigned int SyFi::Dof::insert_dof	(	unsigned int	e,
		unsigned int	i,
		GiNaC::ex	Li
	)

Definition at line 37 of file Dof.cpp.

References SyFi::p.

Referenced by SyFi::compute_mixed_Poisson_element_matrix(), compute_nlconvdiff_element_matrix(), compute_Poisson_element_matrix(), SyFi::compute_Poisson_element_matrix(), SyFi::compute_Stokes_element_matrix(), and main().

        {
                if (e > emax) emax = e;
                if (i > imax) imax = i;

                unsigned int return_dof;

                // check if the dof is new, if so
                // update counter, dof2glob and create
                // a new vector in glob2loc_map

                std::map< GiNaC::ex, unsigned int, GiNaC::ex_is_less >::iterator index_iter = dof2glob.find(Li);

                if( index_iter == dof2glob.end() )
                {
                        // define a new dof
                        return_dof = counter;

                        // count inserted global indices
                        counter++;

                        // the central "D -> global index" map
                        dof2glob[Li] = return_dof;

                        if ( create_glob2dof )
                        {
                                std::pair<unsigned int, GiNaC::ex> p(return_dof, Li);
                                glob2dof.insert(p);
                        }

                        if ( create_glob2loc )
                        {
                                // initialize with empty vector
                                glob2loc_map[return_dof] = vector_ii();
                                glob2loc_map[return_dof].reserve(imax);
                        }
                }
                else                                     // dof is not new
                {
                        return_dof = index_iter->second;
                }

                // loc2glob should always be updated
                pair_ii index(e, i);
                loc2glob[index] = return_dof;

                // insert (e,i) in glob2loc_map[Li]
                if ( create_glob2loc )
                {
                        glob2loc_map[return_dof].push_back(index);
                }

                return return_dof;
        }

unsigned int SyFi::Dof::max_dofs_per_element

(

)

const [inline]

Definition at line 93 of file Dof.h.

References imax.

                                { return imax+1; }

unsigned int SyFi::Dof::num_elements

(

)

const [inline]

Definition at line 89 of file Dof.h.

References emax.

                                { return emax+1; }

unsigned int SyFi::Dof::size

(

)

const [inline]

Definition at line 85 of file Dof.h.

References counter.

Referenced by main().

                                { return counter; }

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Member Data Documentation

unsigned int SyFi::Dof::counter [protected]

Definition at line 39 of file Dof.h.

Referenced by size().

bool SyFi::Dof::create_glob2dof [protected]

Definition at line 61 of file Dof.h.

bool SyFi::Dof::create_glob2loc [protected]

Definition at line 54 of file Dof.h.

std::map<GiNaC::ex , unsigned int, GiNaC::ex_is_less > SyFi::Dof::dof2glob [protected]

Definition at line 58 of file Dof.h.

unsigned int SyFi::Dof::emax [protected]

Definition at line 42 of file Dof.h.

Referenced by num_elements().

std::map< unsigned int, GiNaC::ex > SyFi::Dof::glob2dof [protected]

Definition at line 62 of file Dof.h.

std::map< unsigned int, vector_ii > SyFi::Dof::glob2loc_map [protected]

Definition at line 55 of file Dof.h.

unsigned int SyFi::Dof::imax [protected]

Definition at line 45 of file Dof.h.

Referenced by max_dofs_per_element().

std::map<std::pair<unsigned int,unsigned int>, unsigned int> SyFi::Dof::loc2glob [protected]

Definition at line 51 of file Dof.h.

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The documentation for this class was generated from the following files:

• Dof.h
• Dof.cpp