MovingAverage2D< T > Class Template Reference

#include <movingaverage2d.h>

Public Member Functions
	MovingAverage2D ()
	~MovingAverage2D ()
void	resize (unsigned int width, unsigned int depth)
T	storeAndGetAvg (T v, unsigned int index)
T	storeAndGetSum (T v, unsigned int index)
void	nextAverage ()

Private Attributes
T *	m_data
T *	m_sum
unsigned int	m_dataSize
unsigned int	m_sumSize
unsigned int	m_width
unsigned int	m_depth
unsigned int	m_avgIndex

Detailed Description

template<typename T>
class MovingAverage2D< T >

Definition at line 25 of file movingaverage2d.h.

Constructor & Destructor Documentation

MovingAverage2D()

template<typename T>

MovingAverage2D< T >::MovingAverage2D ( )

inline

Definition at line 28 of file movingaverage2d.h.

: m_data(0), m_sum(0), m_dataSize(0), m_sumSize(0), m_width(0), m_depth(0), m_avgIndex(0) {}

~MovingAverage2D()

template<typename T>

MovingAverage2D< T >::~MovingAverage2D ( )

inline

Definition at line 30 of file movingaverage2d.h.

    {
        if (m_data) {
            delete[] m_data;
        }

        if (m_sum) {
            delete[] m_sum;
        }
    }

Member Function Documentation

nextAverage()

template<typename T>

void MovingAverage2D< T >::nextAverage ( )

inline

Definition at line 108 of file movingaverage2d.h.

Referenced by SpectrumVis::feed().

                       {
        m_avgIndex = m_avgIndex == m_depth-1 ? 0 : m_avgIndex+1;
    }

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resize()

template<typename T>

void MovingAverage2D< T >::resize ( unsigned int  width, unsigned int  depth  )

inline

Definition at line 41 of file movingaverage2d.h.

Referenced by SpectrumVis::handleConfigure().

    {
        if (width*depth > m_dataSize)
        {
            m_dataSize = width*depth;
            if (m_data) {
                delete[] m_data;
            }
            m_data = new T[m_dataSize];
        }

        if (width > m_sumSize)
        {
            m_sumSize = width;
            if (m_sum) {
                delete[] m_sum;
            }
            m_sum = new T[m_sumSize];
        }

        m_width = width;
        m_depth = depth;

        std::fill(m_data, m_data+(m_width*m_depth), 0.0);
        std::fill(m_sum, m_sum+m_width, 0.0);

        m_avgIndex = 0;
    }

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storeAndGetAvg()

template<typename T>

T MovingAverage2D< T >::storeAndGetAvg ( T  v, unsigned int  index  )

inline

Definition at line 70 of file movingaverage2d.h.

Referenced by SpectrumVis::feed().

    {
        if (m_depth <= 1)
        {
            return v;
        }
        else if (index < m_width)
        {
            T first = m_data[m_avgIndex*m_width+index];
            m_sum[index] += (v - first);
            m_data[m_avgIndex*m_width+index] = v;
            return m_sum[index] / m_depth;
        }
        else
        {
            return 0;
        }
    }

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storeAndGetSum()

template<typename T>

T MovingAverage2D< T >::storeAndGetSum ( T  v, unsigned int  index  )

inline

Definition at line 89 of file movingaverage2d.h.

    {
        if (m_depth == 1)
        {
            return v;
        }
        else if (index < m_width)
        {
            T first = m_data[m_avgIndex*m_width+index];
            m_sum[index] += (v - first);
            m_data[m_avgIndex*m_width+index] = v;
            return m_sum[index];
        }
        else
        {
            return 0;
        }
    }

Member Data Documentation

m_avgIndex

template<typename T>

unsigned int MovingAverage2D< T >::m_avgIndex

private

Definition at line 119 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::nextAverage(), MovingAverage2D< double >::resize(), MovingAverage2D< double >::storeAndGetAvg(), and MovingAverage2D< double >::storeAndGetSum().

m_data

template<typename T>

T* MovingAverage2D< T >::m_data

private

Definition at line 113 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::resize(), MovingAverage2D< double >::storeAndGetAvg(), MovingAverage2D< double >::storeAndGetSum(), and MovingAverage2D< double >::~MovingAverage2D().

m_dataSize

template<typename T>

unsigned int MovingAverage2D< T >::m_dataSize

private

Definition at line 115 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::resize().

m_depth

template<typename T>

unsigned int MovingAverage2D< T >::m_depth

private

Definition at line 118 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::nextAverage(), MovingAverage2D< double >::resize(), MovingAverage2D< double >::storeAndGetAvg(), and MovingAverage2D< double >::storeAndGetSum().

m_sum

template<typename T>

T* MovingAverage2D< T >::m_sum

private

Definition at line 114 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::resize(), MovingAverage2D< double >::storeAndGetAvg(), MovingAverage2D< double >::storeAndGetSum(), and MovingAverage2D< double >::~MovingAverage2D().

m_sumSize

template<typename T>

unsigned int MovingAverage2D< T >::m_sumSize

private

Definition at line 116 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::resize().

m_width

template<typename T>

unsigned int MovingAverage2D< T >::m_width

private

Definition at line 117 of file movingaverage2d.h.

Referenced by MovingAverage2D< double >::resize(), MovingAverage2D< double >::storeAndGetAvg(), and MovingAverage2D< double >::storeAndGetSum().

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The documentation for this class was generated from the following file:

• sdrbase/util/movingaverage2d.h