/usr/include/InsightToolkit/Numerics/FEM/itkFEMPArray.h is in libinsighttoolkit3-dev 3.20.1-1.
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Program: Insight Segmentation & Registration Toolkit
Module: itkFEMPArray.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkFEMPArray_h
#define __itkFEMPArray_h
#include "itkFEMP.h"
#include "itkFEMException.h"
#include <vector>
namespace itk {
namespace fem {
/**
* \class FEMPArray
* \brief Array for FEMP objects
*
* Array class that holds special pointers to objects. Every object must contain
* a variable member of type int called GN (global number). You can search for
* an object with specific GN within an array.
*/
template<class T>
class FEMPArray : public std::vector<FEMP<T> >
{
public:
/**
* Standard Self typedef
*/
typedef FEMPArray Self;
/**
* Standard Superclass typedef
*/
typedef std::vector<FEMP<T> > Superclass;
/**
* Dumb pointer typedef support.
*/
typedef Self* Pointer;
typedef const Self* ConstPointer;
/**
* Easy (and required on MSVC) access to the base class of objects inside the array.
*/
typedef T ClassType;
typedef typename ClassType::Pointer ClassTypePointer;
typedef typename ClassType::ConstPointer ClassTypeConstPointer;
/**
* Finds and returns a pointer to the object with specific global number
*/
ClassTypePointer Find(int gn);
ClassTypeConstPointer Find(int gn) const;
/**
* Returns a pointer to i-th object stored in an array (not a pointer to FEMP of that object).
*/
ClassTypePointer operator() (int i)
{
return &(*this->operator[](i));
}
/**
* Returns a pointer to i-th object stored in an array (not a pointer to FEMP of that object).
* This function works on the const arrays.
*/
ClassTypeConstPointer operator() (int i) const
{
return &(*this->operator[](i));
}
/**
* Applies new numbers to objects in array so that they are in order (0,1,2,...).
* This speeds up finding object by global number a lot. The function returns
* total number of objects in an array.
*/
int Renumber();
};
/**
* Find function for for non-const objects
*/
template<class T>
typename FEMPArray<T>::ClassTypePointer
FEMPArray<T>::Find(int gn)
{
typedef typename Superclass::iterator Iterator;
Iterator it = this->begin();
Iterator iend = this->end();
while( it != iend )
{
if( (*it)->GN == gn )
{
break;
}
it++;
}
if( it == this->end() )
{
/**
* We din't find an object with that GN...
*/
throw FEMExceptionObjectNotFound(__FILE__,__LINE__,"FEMPArray::Find() const",typeid(T).name(),gn);
}
/**
* Return a pointer to the found object.
*/
return &(*(*it));
}
/**
* Find function for for const objects
*/
template<class T>
typename FEMPArray<T>::ClassTypeConstPointer
FEMPArray<T>::Find( int gn ) const
{
typedef typename Superclass::const_iterator ConstIterator;
ConstIterator it = this->begin();
ConstIterator iend = this->end();
while( it != iend )
{
if( (*it)->GN == gn )
{
break;
}
it++;
}
if( it == this->end() )
{
/**
* We din't find an object with that GN...
*/
throw FEMExceptionObjectNotFound(__FILE__,__LINE__,"FEMPArray::Find() const",typeid(T).name(),gn);
}
/**
* Return a pointer to the found object.
*/
return &(*(*it));
}
template<class T>
int FEMPArray<T>::Renumber()
{
typename Superclass::iterator i;
int j=0;
for(i = this->begin(); i != this->end(); i++)
{
(*i)->GN=j;
j++;
}
return j;
}
}} // end namespace itk::fem
#endif // #ifndef __itkFEMPArray_h
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