This is a helper class for accessing nodal data. More...

#include <Element_accessors.h>

Inheritance diagram for Element_node_vectors_k_const< Value >:

Collaboration diagram for Element_node_vectors_k_const< Value >:

Public Types
enum	{ MAX_NODES =9 }

typedef unsigned int	Size

Public Member Functions
	Element_node_vectors_k_const ()
	Default constructor. More...

void	set (const Value *p, Element_node_enumerator &ene, int strd)
	initialize the accessor with a pointer and a specific stride. More...

void	set (const Attribute *a, Element_node_enumerator &ene)
	initialize the accessor from an attribute assiciated with a pane. More...

const Value &	operator() (int i, int j) const

const Value &	operator() (int i) const

const Value &	operator[] (int i) const

Protected Attributes
const Attribute *	_attr

union {
int _offsets [MAX_NODES]

const Value * _vs [MAX_NODES]

};

Detailed Description

template<class Value>
class Element_node_vectors_k_const< Value >

This is a helper class for accessing nodal data.

Definition at line 234 of file Element_accessors.h.

Member Typedef Documentation

typedef unsigned int Size

Definition at line 237 of file Element_accessors.h.

Member Enumeration Documentation

anonymous enum

Enumerator
MAX_NODES

Definition at line 236 of file Element_accessors.h.

236 { MAX_NODES=9};

Element_node_vectors_k_const::MAX_NODES

Definition: Element_accessors.h:236

Constructor & Destructor Documentation

Element_node_vectors_k_const ( )

inline

Default constructor.

Definition at line 240 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::_vs.

240 : _attr(NULL)

241 { std::fill_n( _vs, 9, reinterpret_cast<Value*>(NULL)); }

Element_node_vectors_k_const::_attr

const Attribute * _attr

Definition: Element_accessors.h:287

Element_node_vectors_k_const::_vs

const Value * _vs[MAX_NODES]

Definition: Element_accessors.h:290

Member Function Documentation

const Value& operator()	(	int	i,
		int	j
	)		const

inline

Definition at line 271 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::_attr, Element_node_vectors_k_const< Value >::_offsets, Element_node_vectors_k_const< Value >::_vs, COM_assertion, i, j, and Attribute::size_of_components().

Referenced by Element_node_vectors_k< Value >::operator()(), Element_node_vectors_k_const< Value >::operator[](), and Element_node_vectors_k< Value >::operator[]().

                                                {
     if ( _attr) {
       COM_assertion( _attr->size_of_components()>1);
       const Attribute *aj = _attr+j+1;
       return reinterpret_cast<const Value*>
         (aj->pointer())[_offsets[i]*aj->stride()];
     }
     else
       return _vs[i][j];
   }

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const Value& operator() ( int i ) const

inline

Definition at line 282 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::operator()().

Referenced by Element_node_vectors_k_const< Value >::operator()().

282 { return operator()(i,0); }

i

blockLoc i

Definition: read.cpp:79

Element_node_vectors_k_const::operator()

const Value & operator()(int i, int j) const

Definition: Element_accessors.h:271

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const Value& operator[] ( int i ) const

inline

Definition at line 284 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::operator()().

284 { return operator()(i,0); }

i

blockLoc i

Definition: read.cpp:79

Element_node_vectors_k_const::operator()

const Value & operator()(int i, int j) const

Definition: Element_accessors.h:271

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void set	(	const Value *	p,
		Element_node_enumerator &	ene,
		int	strd
	)

inline

initialize the accessor with a pointer and a specific stride.

Definition at line 244 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::_attr, Element_node_vectors_k_const< Value >::_vs, COM_assertion, i, Element_node_vectors_k_const< Value >::MAX_NODES, and Element_node_enumerator::size_of_nodes().

Referenced by Rocsurf::compute_bounded_volumes(), Rocsurf::compute_element_areas(), Rocsurf::compute_element_normals(), Rocsurf::compute_signed_volumes(), Rocsurf::compute_swept_volumes(), Window_manifold_2::elements_to_nodes(), Rocmop::evaluate_face_normals(), get_normal(), Rocsurf::integrate(), FaceOffset_3::obtain_face_offset(), Rocmop::redistribute_vertices_smooth(), Element_node_vectors_k< Value >::set(), and turb_flowlmmetric().

                                                                     {
     COM_assertion( ene.size_of_nodes() <= MAX_NODES);
     _attr = NULL;
     for ( int i=ene.size_of_nodes()-1; i>=0; --i)
       _vs[i] = &p[(ene[i]-1)*strd];
   }

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void set	(	const Attribute *	a,
		Element_node_enumerator &	ene
	)

inline

initialize the accessor from an attribute assiciated with a pane.

Definition at line 252 of file Element_accessors.h.

References Element_node_vectors_k_const< Value >::_attr, Element_node_vectors_k_const< Value >::_offsets, Element_node_vectors_k_const< Value >::_vs, COM_assertion, COM_get_sizeof(), Attribute::data_type(), i, Pane::id(), Attribute::is_nodal(), Attribute::pane(), Attribute::pointer(), Attribute::size_of_components(), Element_node_enumerator::size_of_nodes(), and Attribute::stride().

                                                               {
     COM_assertion( a->is_nodal() && a->pane()->id());
     COM_assertion( sizeof(Value)==COM_get_sizeof( a->data_type(),1));
 
     int ncomp = a->size_of_components();
     int strd = a->stride();
     int nn = ene.size_of_nodes();
     if ( ncomp<=strd) { 
       const Value *p = reinterpret_cast<const Value*>(a->pointer());
       _attr = NULL; 
       for ( int i=0; i<nn; ++i) _vs[i] = &p[(ene[i]-1)*strd];
     }
     else {
       _attr = a;
       for ( int i=0; i<nn; ++i) _offsets[i] = ene[i]-1;
     }
   }