/usr/include/ITK-4.5/itkArray.hxx is in libinsighttoolkit4-dev 4.5.0-3.
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 __itkArray_hxx
#define __itkArray_hxx
#include "itkArray.h"
#include "itkNumericTraitsArrayPixel.h"
namespace itk
{
/** Default constructor */
template< typename TValueType >
Array< TValueType >
::Array():vnl_vector< TValueType >()
{
m_LetArrayManageMemory = true;
}
/** Copy constructor */
template < typename TValueType >
Array<TValueType>
::Array(const Self & rhs)
: vnl_vector<TValueType>(rhs),
// The vnl vector copy constructor creates new memory
// no matter the setting of let array manage memory of rhs
m_LetArrayManageMemory(true)
{
}
/** Constructor with size */
template< typename TValueType >
Array< TValueType >
::Array(SizeValueType dimension):vnl_vector< TValueType >(dimension)
{
m_LetArrayManageMemory = true;
}
/** Constructor with user specified data */
template< typename TValueType >
Array< TValueType >
::Array(ValueType *datain, SizeValueType sz, bool LetArrayManageMemory)
{
vnl_vector< TValueType >::data = datain;
vnl_vector< TValueType >::num_elmts = sz;
m_LetArrayManageMemory = LetArrayManageMemory;
}
/** Constructor with user specified data */
template< typename TValueType >
Array< TValueType >
::Array(const ValueType *datain, SizeValueType sz, bool LetArrayManageMemory)
{
vnl_vector< TValueType >::data = const_cast< TValueType * >( datain );
// Argh!! Discard constness WRONG.!!
vnl_vector< TValueType >::num_elmts = sz;
m_LetArrayManageMemory = LetArrayManageMemory;
}
/** Destructor */
template< typename TValueType >
Array< TValueType >
::~Array()
{
if ( !m_LetArrayManageMemory )
{
vnl_vector< TValueType >::data = 0;
}
}
/** Set the pointer from which the data is imported.
* If "LetArrayManageMemory" is false, then the application retains
* the responsibility of freeing the memory for this data. If
* "LetArrayManageMemory" is true, then this class will free the
* memory when this object is destroyed. */
template< typename TValueType >
void
Array< TValueType >
::SetData(TValueType *datain, bool LetArrayManageMemory)
{
if ( m_LetArrayManageMemory )
{
vnl_vector< TValueType >::destroy();
}
vnl_vector< TValueType >::data = datain;
m_LetArrayManageMemory = LetArrayManageMemory;
}
/** Similar to the previous method. In the above method, the size must be
* separately set prior to using user-supplied data. This introduces an
* unnecessary allocation step to be performed. This method avoids it
* and should be used to import data wherever possible to avoid this.
* Set the pointer from which the data is imported.
* If "LetArrayManageMemory" is false, then the application retains
* the responsibility of freeing the memory for this data. If
* "LetArrayManageMemory" is true, then this class will free the
* memory when this object is destroyed. */
template< typename TValueType >
void
Array< TValueType >
::SetData(TValueType *datain, SizeValueType sz, bool LetArrayManageMemory)
{
if ( m_LetArrayManageMemory )
{
vnl_vector< TValueType >::destroy();
}
vnl_vector< TValueType >::data = datain;
vnl_vector< TValueType >::num_elmts = sz;
m_LetArrayManageMemory = LetArrayManageMemory;
}
template< typename TValueType >
void Array< TValueType >
::SetSize(SizeValueType sz)
{
if ( this->size() != sz )
{
// If the array doesn't own the data we do not want to erase it
// on a resize
if ( !m_LetArrayManageMemory )
{
vnl_vector< TValueType >::data = 0;
}
// Call the superclass's set_size
this->set_size(sz);
// Size we have allocated new data we need to take
// responsibility for deleting it
m_LetArrayManageMemory = true;
}
}
template< typename TValueType >
const typename Array< TValueType >
::Self &
Array< TValueType >
::operator=(const Self & rhs)
{
if ( this != &rhs )
{
// Set the size the same as rhs.
// The SetSize method takes care of who is responsible
// for memory management
//
this->SetSize( rhs.GetSize() );
// Call the superclass implementation
this->VnlVectorType::operator=(rhs);
}
return *this;
}
template< typename TValueType >
const typename Array< TValueType >
::Self &
Array< TValueType >
::operator=(const VnlVectorType & rhs)
{
if ( this != &rhs )
{
// Set the size the same as rhs.
// The SetSize method takes care of who is responsible
// for memory management
//
this->SetSize( rhs.size() );
// Call the superclass implementation
this->VnlVectorType::operator=(rhs);
}
return *this;
}
} // namespace itk
#endif
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