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// =============================================================================
// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2008 - INRIA - Serge Steer
//
// This file is distributed under the same license as the Scilab package.
// =============================================================================
// <-- TEST WITH GRAPHIC -->
// <-- ENGLISH IMPOSED -->
function r=checkbode(h,leg)
fig=gcf();
r=%t
ap=fig.children(1);
am=fig.children(2);
if am.log_flags<>'lnn' then r=%f;return,end
if or(am.axes_visible<>["on","on","on"]) then r=%f;return,end
if ap.log_flags<>'lnn' then r=%f;return,end
if or(ap.axes_visible<>["on","on","on"]) then r=%f;return,end
n=size(am.children($).children,'*')
if n<>size(h,1) then bugmes();quit;end
for k=1:n;
pm=am.children($).children(n+1-k);
pp=ap.children($).children(n+1-k);
if or(pm.data(:,1)<>pp.data(:,1)) then ;r=%f;return,end
[frq,rf]=repfreq(h(k,1),pm.data(:,1));[phi,d]=phasemag(rf);
if norm(d(:)-pm.data(:,2))> 1d-15 then r=%f;return,end
end
if argn(2)==2 then
if size(ap.children,'*')<2 then r=%f;return,end
if ap.children(1).type<>'Legend' then r=%f;return,end
if size(ap.children(1).links,'*')<>n then r=%f;return,end
if or(ap.children(1).text<>leg(:)) then r=%f;return,end
end
endfunction
s=poly(0,'s')
s =
s
n=1+s;d=1+2*s;
h=syslin('c',n,d)
h =
1 + s
-----
1 + 2s
sl=tf2ss(h);
sld=dscr(sl,0.01);
hd=ss2tf(sld);
[w,rf]=repfreq(h,0.01,100);
//continuous time
clf();bode(h);
if ~checkbode(h) then bugmes();quit;end
clf();bode(h,'h');
if ~checkbode(h,'h') then bugmes();quit;end
clf();bode(h,0.01,100);
if ~checkbode(h) then bugmes();quit;end
clf();bode(h,0.01,100,'h');
if ~checkbode(h,'h') then bugmes();quit;end
clf();bode(h,0.01,100,0.01)
if ~checkbode(h) then bugmes();quit;end
clf();bode(sl,0.01,100);
if ~checkbode(sl) then bugmes();quit;end
clf();bode(sl,0.01,100,0.01)
//continuous time SIMO
h=[h;h+1];sl=[sl;sl+1];
clf();bode(h);
if ~checkbode(h) then bugmes();quit;end
clf();bode(h,['h';'h+1']);
if ~checkbode(h,['h';'h+1']) then bugmes();quit;end
clf();bode(h,0.01,100);
if ~checkbode(h) then bugmes();quit;end
clf();bode(h,0.01,100,['h';'h+1']);
if ~checkbode(h,['h';'h+1']) then bugmes();quit;end
clf();bode(h,0.01,100,0.01)
if ~checkbode(h) then bugmes();quit;end
clf();bode(sl,0.01,100);
if ~checkbode(sl) then bugmes();quit;end
clf();bode(sl,0.01,100,0.01)
//discrete case
clf();bode(hd);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd) then bugmes();quit;end
clf();bode(hd,'h');
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd,'h') then bugmes();quit;end
clf();bode(hd,0.01,100);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd) then bugmes();quit;end
clf();bode(hd,0.01,100,'h');
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd,'h') then bugmes();quit;end
clf();bode(hd,0.01,100,0.01)
if ~checkbode(hd) then bugmes();quit;end
clf();bode(sld,0.01,100);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(sld) then bugmes();quit;end
clf();bode(sl,0.01,100,0.01)
//discrete case SIMO
hd=[hd;hd+1];sld=[sld;sld+1];
clf();bode(hd);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd) then bugmes();quit;end
clf();bode(hd,['h';'h+1']);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd,['h';'h+1']) then bugmes();quit;end
clf();bode(hd,0.01,100);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd) then bugmes();quit;end
clf();bode(hd,0.01,100,['h';'h+1']);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(hd,['h';'h+1']) then bugmes();quit;end
clf();bode(hd,0.01,100,0.01)
if ~checkbode(hd) then bugmes();quit;end
clf();bode(sld,0.01,100);
WARNING: calfrq: Frequencies beyond Nyquist frequency are ignored.
if ~checkbode(sld) then bugmes();quit;end
clf();bode(sl,0.01,100,0.01)
//bode given by precmputed freqency response
h=syslin('c',n,d)
h =
1 + s
-----
1 + 2s
clf();bode(h,0.01,100);
fig=gcf();
dp=fig.children(1).children($).children.data;
dm=fig.children(2).children($).children.data;
[w,rf]=repfreq(h,0.01,100);
clf(); bode(w,rf)
fig=gcf();
if norm(dp-fig.children(1).children($).children.data)>1d-13 then bugmes();quit;end
if norm(dm-fig.children(2).children($).children.data)>1d-13 then bugmes();quit;end
clf(); bode(w,20*log(abs(rf))/log(10),(180/%pi)*atan(imag(rf),real(rf)))
fig=gcf();
if norm(dp-fig.children(1).children($).children.data)>1d-13 then bugmes();quit;end
if norm(dm-fig.children(2).children($).children.data)>1d-13 then bugmes();quit;end
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