module multb
	(
	a,			/* data input */
	b,			/* input data valid */
	r			/* filter pole coefficient */
	);


input	[`COEFWIDTH-2:0]			a;
input	[`DATAWIDTH-2:0]			b;
output	[`DATAWIDTH + `COEFWIDTH - 3:0]	r;


assign r = a*b;


endmodule