SyFi::TensorP0 Class Reference

#include <P0.h>

Inheritance diagram for SyFi::TensorP0:

List of all members.

Public Member Functions
	TensorP0 ()
	TensorP0 (Polygon &p, unsigned int order=0, unsigned int size=0)
	~TensorP0 ()
virtual void	set_size (unsigned int size_)
virtual void	compute_basis_functions ()
Protected Attributes
unsigned int	size

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Detailed Description

Definition at line 49 of file P0.h.

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Constructor & Destructor Documentation

SyFi::TensorP0::TensorP0

(

)

Definition at line 150 of file P0.cpp.

References SyFi::StandardFE::description.

                           : StandardFE()
        {
                description = "TensorP0";
        }

SyFi::TensorP0::TensorP0	(	Polygon &	p,
		unsigned int	order = 0,
		unsigned int	size = 0
	)

Definition at line 155 of file P0.cpp.

References compute_basis_functions(), SyFi::nsd, and size.

                                                                             : StandardFE(p, order)
        {
                size = size_ < 0 ? nsd: size_;
                compute_basis_functions();
        }

SyFi::TensorP0::~TensorP0

(

)

[inline]

Definition at line 56 of file P0.h.

{}

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Member Function Documentation

void SyFi::TensorP0::compute_basis_functions

(

)

[virtual]

Reimplemented from SyFi::StandardFE.

Definition at line 161 of file P0.cpp.

References SyFi::StandardFE::description, SyFi::StandardFE::dof(), SyFi::StandardFE::dofs, SyFi::StandardFE::N(), SyFi::StandardFE::nbf(), SyFi::StandardFE::Ns, SyFi::StandardFE::p, size, and SyFi::StandardFE::str().

Referenced by TensorP0().

        {

                // remove previously computed basis functions and dofs
                Ns.clear();
                dofs.clear();

                if ( p == NULL )
                {
                        throw(std::logic_error("You need to set a polygon before the basisfunctions can be computed"));
                }

                if ( size == 0)
                {
                        throw(std::logic_error("You need to set the size of the vector before the basisfunctions can be computed"));
                }

                P0 fe(*p);
                GiNaC::lst zero_list;
                for (unsigned int s=1; s<= size*size ; s++)
                {
                        zero_list.append(0);
                }

                for (unsigned int i=0; i< fe.nbf() ; i++)
                {
                        for (unsigned int r=0; r< size ; r++)
                        {
                                for (unsigned int s=0; s< size ; s++)
                                {
                                        GiNaC::lst Nis = zero_list;
                                        Nis.let_op((size)*r + s) = fe.N(i);
                                        GiNaC::ex Nmat = GiNaC::matrix(size,size,Nis);
                                        Ns.insert(Ns.end(), Nmat);

                                        GiNaC::lst dof = GiNaC::lst(fe.dof(i), r, s) ;
                                        dofs.insert(dofs.end(), dof);
                                }
                        }
                }
                description = "Tensor" + fe.str();
        }

void SyFi::TensorP0::set_size

(

unsigned int

size_

)

[virtual]

Definition at line 204 of file P0.cpp.

References size.

        {
                size = size_;
        }

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Member Data Documentation

unsigned int SyFi::TensorP0::size [protected]

Definition at line 52 of file P0.h.

Referenced by compute_basis_functions(), set_size(), and TensorP0().

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

• P0.h
• P0.cpp