//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Sun Apr 27 00:51:22 GMT-0800 1997
// Last Modified: Sun Apr 27 00:51:22 GMT-0800 1997
// Filename:      ...sig/maint/code/Filter/DelayLine/Delay.h
// Web Address:   http://sig.sapp.org/include/sig/Delay.h
// Documentation: http://sig.sapp.org/doc/classes/Delay
// Syntax:        C++ 
//

#ifndef _DELAY_H_INCLUDED
#define _DELAY_H_INCLUDED


#include "sigTypes.h"

typedef unsigned long ulong;

class Delay {
   public:
                         Delay             (int size = 1);
                        ~Delay             ();

      ulong              getSize           (void);
      sampleType&        operator[]        (long readIndex);
      sampleType&        operator[]        (int readIndex);
      sampleType         operator[]        (float readIndex);
      sampleType         operator[]        (double readIndex);
      void               setSize           (long size);
      void               write             (sampleType sample);
      void               zero              (void);

   protected:
      ulong              allocSize;
      ulong              writeIndex;
      sampleType*        array;
      ulong              indexMask;

      ulong              nextPowerOfTwo    (ulong num);
      sampleType&        read              (long index);
      sampleType         read              (float index);
};



#endif  /* _DELAY_H_INCLUDED */



// md5sum: 25ae645ff0cbe410cc103f5e8d2fa6da Delay.h [20010708]