www.gusucode.com > mbcexpr 工具箱 matlab 源码程序 > mbcexpr/@cgslparser/gain.m
function ptr = gain(obj,b,blockname,Inputs) %GAIN - parse function for gain block % % ptr = gain(obj,b,blockname,Inputs) % A gain block is represented by a cgconstant multiplied by the input. A % pointer to a cgdivexpr is returned % Copyright 2007-2012 The MathWorks, Inc. and Ford Global Technologies, Inc. if isvarname(get(b,'Gain')) % use variable name from Gain block if it is a simple variable blockname = get(b,'Gain'); end Value = mbcGetBlockValue(b,'Gain'); if ~isscalar(Value) Value = 1; end [IsNew,ptr1] = createConstant(obj,blockname,mbcpointer,Value); ptr = xregpointer(cgdivexpr('Product',[Inputs{1} ptr1])); obj.addToList([ptr1; ptr],[-1;b],[IsNew;true]);