STEP
function [x,y,typ]=STEP(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
select job
case 'plot' then
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,temps,in,fi,exprs]=getvalue('Set Saturation parameters',..
['Step time';'Initial value';'Final value'],list('vec',1,'vec',-1,'vec',-1),exprs)
if ~ok then break,end
in=in(:);fi=fi(:);
if size(in,'*')<>size(fi,'*') then
if size(in,'*')==1 then
in=in*ones(fi)
elseif size(fi,'*')==1 then
fi=fi*ones(in)
else
message('Incompatible initial and final values')
ok=%f
end
end
if ok then
[model,graphics,ok]=check_io(model,graphics,[],size(fi,'*'),1,1)
end
if ok then
rpar=[in;fi]
model.rpar=rpar
model.firing=temps
graphics.exprs=exprs
x.graphics=graphics;x.model=model
break
end
end
case 'define' then
rpar=[0;1]
model=scicos_model()
model.sim=list('step_func',4)
model.evtin=1
model.evtout=1
model.out=1
model.firing=1
model.rpar=rpar
model.blocktype='c'
model.dep_ut=[%f %t]
exprs=[string(1);string(rpar)]
gr_i=['txt=[''Step''];';
'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');']
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction