Fonction d'interfaçage
fr
SUMMATION
function [x,y,typ]=SUMMATION(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[];
select job
case 'plot' then
sgn=arg1.model.ipar
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
model=arg1.model
exprs=graphics.exprs
if size(exprs,1)==1 then exprs=[sci2exp(1);exprs;sci2exp(0)];
elseif size(exprs,1)==2 then exprs=[exprs;sci2exp(0)]; end
while %t do
[ok,Datatype,sgn,satur,exprs]=getvalue('Set sum block parameters',..
['Datatype (1=real double 2=complex 3=int32 ...)';..
'Number of inputs or sign vector (of +1, -1)';..
'Do on Overflow(0=Nothing 1=Saturate 2=Error)'],..
list('vec',1,'vec',-1,'vec',1),exprs)
if ~ok then break,end
sgn=sgn(:);
if (satur~=0&satur~=1&satur~=2) then message("Do on overflow must be 0,1,2");ok=%f;end
if size(sgn,1)==1 then
if sgn<1 then
message('Number of inputs must be > 0')
ok=%f
elseif sgn==1 then
in=-1;in2=-2
sgn=[]
nout=1;nout2=1
else
in=-ones(sgn,1);in2=2*in
sgn=ones(sgn,1)
nout=-1;nout2=-2
end
else
if ~and(abs(sgn)==1) then
message('Signs can only be +1 or -1')
ok=%f
else
in=-ones(size(sgn,1),1);in2=2*in
nout=-1;nout2=-2
end
end
it=Datatype*ones(1,size(in,1));
ot=Datatype;
if Datatype==1 then
model.sim=list('summation',4)
elseif Datatype==2 then
model.sim=list('summation_z',4)
elseif ((Datatype<1) |(Datatype>8)) then
message("Datatype is not supported");ok=%f;
else
if satur==0 then
if Datatype==3 then
model.sim=list('summation_i32n',4)
elseif Datatype==4 then
model.sim=list('summation_i16n',4)
elseif Datatype==5 then
model.sim=list('summation_i8n',4)
elseif Datatype==6 then
model.sim=list('summation_ui32n',4)
elseif Datatype==7 then
model.sim=list('summation_ui16n',4)
elseif Datatype==8 then
model.sim=list('summation_ui8n',4)
end
elseif satur==1 then
if Datatype==3 then
model.sim=list('summation_i32s',4)
elseif Datatype==4 then
model.sim=list('summation_i16s',4)
elseif Datatype==5 then
model.sim=list('summation_i8s',4)
elseif Datatype==6 then
model.sim=list('summation_ui32s',4)
elseif Datatype==7 then
model.sim=list('summation_ui16s',4)
elseif Datatype==8 then
model.sim=list('summation_ui8s',4)
end
elseif satur==2 then
if Datatype==3 then
model.sim=list('summation_i32e',4)
elseif Datatype==4 then
model.sim=list('summation_i16e',4)
elseif Datatype==5 then
model.sim=list('summation_i8e',4)
elseif Datatype==6 then
model.sim=list('summation_ui32e',4)
elseif Datatype==7 then
model.sim=list('summation_ui16e',4)
elseif Datatype==8 then
model.sim=list('summation_ui8e',4)
end
end
end
if ok then
[model,graphics,ok]=set_io(model,graphics,...
list([in,in2],it),...
list([nout,nout2],ot),[],[])
end
if ok then
model.rpar=satur;
model.ipar=sgn
graphics.exprs=exprs
x.graphics=graphics;x.model=model
break
end
end
case 'define' then
sgn=[1;-1]
model=scicos_model()
model.sim=list('summation',4)
model.in=[-1;-1]
model.out=-1
model.in2=[-2;-2]
model.out2=-2
model.ipar=sgn
model.blocktype='c'
model.dep_ut=[%t %f]
exprs=sci2exp(sgn)
gr_i=['[x,y,typ]=standard_inputs(o) ';
'dd=sz(1)/8,de=0,'
'if ~arg1.graphics.flip then dd=6*sz(1)/8,de=-sz(1)/8,end'
'for k=1:size(x,''*'')';
'if size(sgn,1)>1 then'
' if sgn(k)>0 then';
' xstring(orig(1)+dd,y(k)-4,''+'')';
' else';
' xstring(orig(1)+dd,y(k)-4,''-'')';
' end';
'end';
'end';
'xx=sz(1)*[.8 .4 0.75 .4 .8]+orig(1)+de';
'yy=sz(2)*[.8 .8 .5 .2 .2]+orig(2)';
'xpoly(xx,yy,''lines'')']
x=standard_define([2 3],model, exprs,gr_i)
end
endfunction