GAIN_f
function [x,y,typ]=GAIN_f(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
select job
case 'plot' then
C=arg1.graphics.exprs;
standard_draw(arg1)
case 'getinputs' then
[x,y,typ]=standard_inputs(arg1)
case 'getoutputs' then
[x,y,typ]=standard_outputs(arg1)
case 'getorigin' then
[x,y]=standard_origin(arg1)
case 'set' then
x=arg1;
graphics=arg1.graphics;exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,gain,exprs]=getvalue('Set gain block parameters',..
['Gain'],list('mat',[-1,-1]),exprs(1))
if ~ok then break,end
if gain==[] then
message('Gain must have at least one element')
else
[out,in]=size(gain)
[model,graphics,ok]=check_io(model,graphics,in,out,[],[])
if ok then
graphics.exprs=exprs
model.rpar=gain(:);
x.graphics=graphics;x.model=model
break
end
end
end
case 'define' then
gain=1;in=1;out=1;
model=scicos_model()
model.sim='gain'
model.in=1
model.out=1
model.rpar=gain
model.blocktype='c'
model.dep_ut=[%t %f]
exprs=[strcat(sci2exp(gain));strcat(sci2exp(in));strcat(sci2exp(out))]
gr_i=['gain=C,'
'dx=sz(1)/5;';
'dy=sz(2)/10;';
'xx=orig(1)+ [1 4 1 1]*dx;';
'yy=orig(2)+sz(2)-[1 5 9 1]*dy;';
'xpoly(xx,yy,''lines'');';
'w=sz(1)-2*dx;h=sz(2)-2*dy;';
'xstringb(orig(1)+dx,orig(2)+dy,gain,w,h,''fill'');']
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction