FixLenTimeSeries.h

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#ifndef FIXLENTIMESERIES_H
#define FIXLENTIMESERIES_H

#include  <iostream>

#include  "common.h"

using namespace Borealis;


class FixLenTimeSeries
{
  public:
    typedef enum
    {   OUT_OF_RANGE,
        EMPTY_TIME_SERIES
    } Error;


  public:
    FixLenTimeSeries();


    FixLenTimeSeries( int32  numberOfSamples ) throw( Error );


    FixLenTimeSeries( const FixLenTimeSeries  &flts );


    FixLenTimeSeries  &operator=( const FixLenTimeSeries  &flts ); 


    ~FixLenTimeSeries();


    int32  getNumberOfSamples() const
    {    return( _number_of_samples );
    }


    double  getSample( int32  i = 0 ) const throw( Error );


    double  &getSample( int32  i = 0 ) throw( Error ); 


    double  getAverage( double p_old = 0, double p_new = 0 ) const
                 throw( Error );


    void  addSample( double  sample );


    static FixLenTimeSeries resampleFixLenTimeSeries(
                              const FixLenTimeSeries  &s,
                                               int32   n, 
                                              double   k, 
                                              double   ip
                                                  )
                                             throw( FixLenTimeSeries::Error );


    friend  ostream  &operator<<( ostream  &os,
                  const FixLenTimeSeries  &flts );



  private:
    int32   _number_of_samples;

    double*  _samples;

    int32   _last_sample_index;
};

#endif                           // FIXLENTIMESERIES_H

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