integrator.h

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/***********************************************************************/
#ifndef INTEGRATOR_H
#define INTEGRATOR_H
 
#include "vector.h"
 
template <class basetype, class datatype>
 class integrator
   {
public:
     integrator( basetype Tintegrator, basetype Tsampling, const datatype& init_value = 0)
        : time_constant( Tsampling / Tintegrator), value( init_value)
        {};
 
      integrator( basetype Tsampling)
     : time_constant( Tsampling ), value( 0)
     {};
 
   const datatype & response( datatype & right)
      {
        value += right * time_constant;
        return value;
      };
 
   const datatype & get_value( void) const
      {
        return value;
      };
 
    datatype operator () ( void) const
      {
      return get_value();
      };
         
   void set_value( const datatype & _value)
      {
        this->value = _value;
      };
 
private:
   basetype time_constant;
   datatype value;
   };
 
#endif