Version 3.2

include/DLineA.h

@@ -0,0 +1,43 @@
+/*******************************************/
+/*  AllPass Interpolating Delay Line       */
+/*  Object by Perry R. Cook 1995-96.       */
+/*  Revised by Gary P. Scavone, 1999.      */
+/*                                         */
+/*  This one uses a delay line of maximum  */
+/*  length specified on creation, and      */
+/*  interpolates fractional length using   */
+/*  an all-pass filter.  This version is   */
+/*  more efficient for computing static    */
+/*  length delay lines (alpha and coeff    */
+/*  are computed only when the length      */
+/*  is set, there probably is a more       */
+/*  efficient computational form if alpha  */
+/*  is changed often (each sample)).       */
+/*                                         */
+/*******************************************/
+
+
+#if !defined(__DLineA_h)
+#define __DLineA_h
+
+#include "Filter.h"
+
+class DLineA : public Filter
+{
+  protected:  
+    long inPoint;
+    long outPoint;
+    long length;
+    MY_FLOAT alpha;
+    MY_FLOAT coeff;
+    MY_FLOAT lastIn;
+  public:
+    DLineA();
+    DLineA(long max_length);
+    ~DLineA();
+    void clear();
+    void setDelay(MY_FLOAT length);
+    MY_FLOAT tick(MY_FLOAT sample);
+};
+
+#endif