88 void Fir::				// update state with data[size]
103 void Fir::
114 void Fir::
121 Fir::
122 Fir(void)  in Fir()  function in Fir
126 Fir::
127 Fir(int order_in): order(order_in)	// construct Fir object  in Fir()  function in Fir
135 Fir::
136 ~Fir()					// destruct Fir object  in ~Fir()
142 int Fir::
148 int Fir::
154 void Fir::
160 void Fir::
166 int Fir::		// filter in[size], and updates the state.
198 int Fir::
205 int Fir::
235 int Fir::