GeopsyCore::TaperDelegate::ComplexSample Class Reference

#include <TaperDelegate.h>

Inheritance diagram for GeopsyCore::TaperDelegate::ComplexSample:

List of all members.

Public Member Functions
	ComplexSample (int nSamples, double *samples)
void	multiply (int index, double factor)
void	setNull (int index)
Protected Attributes
int	_nSamples
int	_nyquistIndex

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Constructor & Destructor Documentation

GeopsyCore::TaperDelegate::ComplexSample::ComplexSample	(	int	nSamples,
		double *	samples
	)		[inline]

        : Sample(samples) {_nSamples=nSamples; _nyquistIndex=_nSamples >> 1;}

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Member Function Documentation

void GeopsyCore::TaperDelegate::ComplexSample::multiply	(	int	index,
		double	factor
	)		[inline]

      {
        _samples[index]*=factor;
        // Above shortcut cannot be done without multiplying twice
        if(index>0 && (index<_nyquistIndex || (_nSamples & 0x00000001))) {
          _samples[_nSamples-index]*=factor;
        }
      }

void GeopsyCore::TaperDelegate::ComplexSample::setNull

(

int

index

)

[inline]

      {
        _samples[index]=0.0;
        // If index==_nyquistIndex and even number of samples, _nSamples-index==index
        // Useless affectation to 0 but it is more effecient than condition testing for all samples.
        if(index>0) {
          _samples[_nSamples-index]=0;
        }
      }

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Member Data Documentation

int GeopsyCore::TaperDelegate::ComplexSample::_nSamples [protected]

int GeopsyCore::TaperDelegate::ComplexSample::_nyquistIndex [protected]

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

• GeopsyCore/TaperDelegate.h