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numbering(7rheolef) rheolef-6.1 numbering(7rheolef)
NAME
numbering - global degree of freedom numbering
SYNOPSYS
The numbering class defines methods that furnish global numbering of degrees of freedom. This numbering depends upon the degrees of poly-
noms on elements and upon the continuity requirement at inter-element boundary. For instance the "P1" continuous finite element approxima-
tion has one degree of freedom per vertice of the mesh, while its discontinuous counterpart has dim(basis) times the number of elements of
the mesh, where dim(basis) is the size of the local finite element basis.
IMPLEMENTATION
template <class T, class M = rheo_default_memory_model>
class numbering : public smart_pointer<numbering_rep<T,M> > {
public:
// typedefs:
typedef numbering_rep<T,M> rep;
typedef smart_pointer<rep> base;
typedef size_t size_type;
// allocators:
numbering (std::string name = "");
numbering (numbering_rep<T,M>* ptr);
~numbering() {}
// accessors & modifiers:
bool is_initialized() const { return base::operator->() != 0; }
std::string name() const;
size_type degree () const;
void set_degree (size_type degree) const;
bool is_continuous() const;
bool is_discontinuous() const { return !is_continuous(); }
const basis_basic<T>& get_basis() const { return base::data().get_basis(); }
size_type ndof (const geo_size& gs, size_type map_dim) const;
size_type dis_ndof (const geo_size& gs, size_type map_dim) const;
void dis_idof (const geo_size& gs, const geo_element& K, std::vector<size_type>& dis_idof) const;
void set_ios_permutations (const class geo_basic<T,M>& omega,
array<size_type,M>& idof2ios_dis_idof,
array<size_type,M>& ios_idof2dis_idof) const;
// comparator:
bool operator== (const numbering<T,M>& y) const {
if (! is_initialized() && ! y.is_initialized()) return true;
if (! is_initialized() || ! y.is_initialized()) return false;
return name() == y.name();
}
// i/o:
void dump(std::ostream& out = std::cerr) const;
};
rheolef-6.1 rheolef-6.1 numbering(7rheolef)
