Version 3.2

include/FIR.h

@@ -0,0 +1,34 @@
+/********************************************/  
+/*
+   General Finite-Impulse-Response (FIR)
+   Digital Filter Class
+   by Julius Smith, 1997
+*/
+/********************************************/  
+
+#if !defined(__FIR_h)
+#define __FIR_h
+
+#include "Object.h"
+
+class FIR : public Object
+{
+protected:  
+  int length;
+  MY_FLOAT *coeffs;
+  MY_FLOAT *pastInputs;
+  int piOffset;
+  MY_FLOAT delay;
+public:
+  FIR(int length);
+  FIR(const char *filterFile);
+  ~FIR();
+  void clear(void);
+  void setCoeffs(MY_FLOAT *theCoeffs);
+  MY_FLOAT tick(MY_FLOAT input);
+  MY_FLOAT lastOutput;
+  MY_FLOAT getDelay(MY_FLOAT freq);
+  int getLength(void);
+};
+
+#endif