Diff: SignalProcessing/IIR_Cascade.hpp

Revision:

6:5e21ac9f0550

Parent:

5:503bd366fd73

--- a/SignalProcessing/IIR_Cascade.hpp	Tue Jan 31 12:52:35 2017 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,66 +0,0 @@
-//--------------------------------------------------------------
-// IIR filter ---- Cascade structure
-
-// 2017/01/26, Copyright (c) 2017 MIKAMI, Naoki
-//--------------------------------------------------------------
-
-#ifndef IIR_CASCADE_HPP
-#define IIR_CASCADE_HPP
-
-#include "mbed.h"
-#include "Biquad.hpp"
-#include "Array.hpp"
-using namespace Mikami;
-
-namespace Mikami
-{
-    // IIR filter -- Cascade structure
-    class IirCascade
-    {
-    public:
-        IirCascade(int order, float g0 = 1,
-                   const Biquad::Coefs ck[] = NULL)
-            : ORDER2_(order/2), hk_(order/2)
-        {
-            if (ck != NULL) SetCoefs(g0, ck);
-            else            g0_ = g0;
-        }
-
-        void SetCoefs(float g0, const Biquad::Coefs ck[])
-        {
-            g0_ = g0;
-            for (int k=0; k<ORDER2_; k++) hk_[k].SetCoefs(ck[k]);
-        }
-
-        void GetCoefs(float &g0, Biquad::Coefs ck[])
-        {
-            g0 = g0_;
-            for (int k=0; k<ORDER2_; k++) hk_[k].GetCoefs(ck[k]);
-        }
-
-        float Execute(float xn)
-        {
-            float yn = g0_*xn;
-            for (int k=0; k<ORDER2_; k++)
-                yn = hk_[k].Execute(yn);
-                
-            return yn;
-        }
-        
-        void Clear()
-        {
-            for (int k=0; k<ORDER2_; k++)
-                hk_[k].Clear();
-        }
-
-    private:
-        const int ORDER2_;
-        Array<Biquad> hk_;  // Elements of cascade structure
-        float g0_;          // gain factor
-
-        // disallow copy constructor and assignment operator
-        IirCascade(const IirCascade&);
-        IirCascade& operator=(const IirCascade&);
-    };
-}
-#endif  // IIR_CASCADE_HPP