/usr/include/ITK-4.5/itkResourceProbe.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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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 __itkResourceProbe_h
#define __itkResourceProbe_h
#include "itkMacro.h"
#include "itkIntTypes.h"
#include <string>
namespace itk
{
/** \class ResourceProbe
* \brief Computes the change of a value between two points in code.
*
* This class is the base class of all the probes (time, memory, etc.)
* between the execution of two pieces of code. It can be started and
* stopped in order to evaluate the execution over multiple passes.
*
* \sa TimeResourceProbe, MemoryResourceProbe
*
* \ingroup ITKCommon
*/
template< typename ValueType, typename MeanType >
class ResourceProbe
{
public:
/** Type for counting how many times the probe has been started and stopped.
*/
typedef SizeValueType CountType;
public:
/** Constructor */
ResourceProbe(const std::string & type, const std::string & unit);
/** Destructor */
virtual ~ResourceProbe();
/** Returns the type probed value */
std::string GetType(void) const;
/** Returns the unit probed value */
std::string GetUnit(void) const;
/** Start counting the change of value */
void Start(void);
/** Stop counting the change of value */
void Stop(void);
/** Returns the number of times that the probe has been started */
CountType GetNumberOfStarts(void) const;
/** Returns the number of times that the probe has been stopped */
CountType GetNumberOfStops(void) const;
/** Returns the instant value of the probed system.
*/
virtual ValueType GetInstantValue(void) const = 0;
/** Returns the accumulated value changes between the starts and stops
* of the probe */
ValueType GetTotal(void) const;
/** Returns the average value changes between the starts and stops
* of the probe. Stop() has to be called at least once, returns 0 otherwise.
*/
MeanType GetMean(void) const;
private:
ValueType m_StartValue;
ValueType m_TotalValue;
CountType m_NumberOfStarts;
CountType m_NumberOfStops;
std::string m_TypeString;
std::string m_UnitString;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkResourceProbe.hxx"
#endif
#endif //__itkResourceProbe_h
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