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// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See the file ../license.txt
//
function [x,y,typ] = GAINBLK(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;
exprs=graphics.exprs
model=arg1.model;
if size(exprs,"*")==1 then
exprs=[exprs;sci2exp(0)];
end // compatibility
while %t do
[ok,gain,over,exprs]=scicos_getvalue("Set gain block parameters",..
["Gain";..
"Do On Overflow(0=Nothing 1=Saturate 2=Error)"],..
list("mat",[-1,-1],"vec",1),exprs)
if ~ok then
break,
end
if gain==[] then
message("Gain must have at least one element")
else
if typeof(gain)=="constant" then
if isreal(gain) then
it =1;
ot=1;
model.sim=list("gainblk",4);
model.rpar=gain(:);
model.opar=list();
else
message("type is not supported");
ok=%f;
end
else
if (over==0) then
if (typeof(gain)=="int32") then
ot=3
model.sim=list("gainblk_i32n",4)
elseif (typeof(gain)=="int16") then
ot=4
model.sim=list("gainblk_i16n",4)
elseif (typeof(gain)=="int8") then
ot=5
model.sim=list("gainblk_i8n",4)
elseif (typeof(gain)=="uint32") then
ot=6
model.sim=list("gainblk_ui32n",4)
elseif (typeof(gain)=="uint16") then
ot=7
model.sim=list("gainblk_ui16n",4)
elseif (typeof(gain)=="uint8") then
ot=8
model.sim=list("gainblk_ui8n",4)
else
message("type is not supported.");
ok=%f;
end
elseif (over==1) then
if (typeof(gain)=="int32") then
ot=3
model.sim=list("gainblk_i32s",4)
elseif (typeof(gain)=="int16") then
ot=4
model.sim=list("gainblk_i16s",4)
elseif (typeof(gain)=="int8") then
ot=5
model.sim=list("gainblk_i8s",4)
elseif (typeof(gain)=="uint32") then
ot=6
model.sim=list("gainblk_ui32s",4)
elseif (typeof(gain)=="uint16") then
ot=7
model.sim=list("gainblk_ui16s",4)
elseif (typeof(gain)=="uint8") then
ot=8
model.sim=list("gainblk_ui8s",4)
else
message("type is not supported.");
ok=%f;
end
elseif (over==2) then
if (typeof(gain)=="int32") then
ot=3
model.sim=list("gainblk_i32e",4)
elseif (typeof(gain)=="int16") then
ot=4
model.sim=list("gainblk_i16e",4)
elseif (typeof(gain)=="int8") then
ot=5
model.sim=list("gainblk_i8e",4)
elseif (typeof(gain)=="uint32") then
ot=6
model.sim=list("gainblk_ui32e",4)
elseif (typeof(gain)=="uint16") then
ot=7
model.sim=list("gainblk_ui16e",4)
elseif (typeof(gain)=="uint8") then
ot=8
model.sim=list("gainblk_ui8e",4)
else
message("type is not an integer.");
ok=%f;
end
else
message("Do on Overflow must be 0,1,2");
ok=%f;
end
model.rpar=[];
model.opar=list(gain(:));
end
if ok then
[out,in]=size(gain)
if out*in<>1 then
[model,graphics,ok]=set_io(model,graphics,...
list([in,-1],ot),...
list([out,-1],ot),[],[])
else
[model,graphics,ok]=set_io(model,graphics,...
list([-1,-2],ot),...
list([-1,-2],ot),[],[])
end
end
if ok then
graphics.exprs=exprs
x.graphics=graphics;
x.model=model
break
end
end
end
case "define" then
gain=1
in=-1;out=-1
in2=-2;out2=-2
model=scicos_model()
model.sim=list("gainblk",4)
model.in=in
model.out=out
model.in2=in2
model.out2=out2
model.rpar=gain
model.blocktype="c"
model.dep_ut=[%t %f]
exprs=[strcat(sci2exp(gain))]
gr_i=[]
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction
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