//FFTCMPLX_f Scicos complex fft block //Classical interface function ver1.2 - scilab-3 //15 décembre 2004 - IRCOM GROUP - Author : A.Layec function [x,y,typ]=FFTCMPLX_f(job,arg1,arg2) x=[];y=[];typ=[] select job case 'plot' then if arg1.model.ipar(1)==-1 then txt=['FFT';'CMPLX']; else txt=['FFTI';'CMPLX']; end 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; while %t do [ok,nu,herit,typ,mod,exprs]=getvalue('Scicos FFT complex block',... ['Size of inputs';'Inherit (no:0, yes:1)';... 'Type of fft (-1:direct/1:indirect)';'Mode (0:Auto/1:Dfftmx)'],... list('vec',1,'vec',1,'vec',1,'vec',1),exprs) if ~ok then break,end; if ok then if herit==1 then model.dep_ut=[%t %f] [model,graphics,ok]=check_io(model,graphics,[nu;nu],[nu;nu],[],[]) else model.dep_ut=[%t %f] [model,graphics,ok]=check_io(model,graphics,[nu;nu],[nu;nu],1,[]) end graphics.exprs=exprs model.in=[nu;nu]; model.out=[nu;nu]; if mod==0 then if (nu<=2^15) then m=2^(int(log10(nu+0.5)/log10(2))); //test si nu est une puissance de 2 if (m==nu) then model.ipar=[typ;0]; //fft842 else [l,ierr]=dfftsize(nu); if ierr<>0 then message('Problem in the size of input vector') end model.ipar=[typ;1;l]; //fftmx end else [l,ierr]=dfftsize(nu); if ierr<>0 then message('Problem in the size of input vector') end model.ipar=[typ;1;l];//fftmx end else [l,ierr]=dfftsize(nu); if ierr<>0 then message('Problem in the size of input vector') end model.ipar=[typ;1;l];//fftmx end x.graphics=graphics;x.model=model break; end end case 'define' then nu=256 herit=1 typ=-1 mod=0 model=scicos_model() model.sim=list('fftcmplx',4) model.in=[nu;nu] model.out=[nu;nu] model.evtin=[] model.evtout=[] model.dstate=[] model.rpar=[] model.ipar=[typ;0] //fft842 par default model.blocktype='d' model.firing=[] model.dep_ut=[%t %f] //'txt=[''FFT'';''CMPLX''];'; gr_i=['xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');'] exprs=[string(nu),string(herit),string(typ),string(mod)] x=standard_define([2 2],model,exprs,gr_i) end endfunction