/usr/include/ITK-4.9/itkFEMPArray.h is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#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.
* \ingroup ITKFEM
*/
template <typename 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 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 <typename 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 )->GetGlobalNumber() == 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 <typename 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 )->GetGlobalNumber() == 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 <typename T>
int FEMPArray<T>::Renumber()
{
typename Superclass::iterator i;
int j = 0;
for( i = this->begin(); i != this->end(); i++ )
{
( *i )->SetGlobalNumber(j);
j++;
}
return j;
}
}
} // end namespace itk::fem
#endif // #ifndef itkFEMPArray_h
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