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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) Rainer von Seggern
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function z=bvodeS(x,m,n,a,b,fsub,gsub,zeta,...
ystart,dfsub,dgsub,fixpnt,ndimf,ndimi,ltol,tol,ntol,nonlin,...
collpnt,subint,iprint,ireg,ifail)
//
// PURPOSE
// Simplified call of bvode. (Version 08.05.2005)
// List of arguments: see help bvode in Scilab.
// The arguments from ystart to ifail are optional.
// They may be called by name in the form argument=name
// in any order.
//
ms=sum(m);ipar=zeros(1,11);
if n>20 then
error(msprintf(_("%s: More than 20 equations are not allowed"),"bvodeS"));
end
[lhs,rhs]=argn()
if rhs<8 | rhs>23 then
error(msprintf(gettext("%s: Wrong number of input argument(s).\n"), ...
"bvodeS"));
end
if min(m)<1 | max(m)>4 then
error(msprintf(gettext("%s: The elements of the argument #%d must be in [%d %d].\n"),"bvodeS",2,1,4));
end
if exists("guess","local") then ystart=guess,end
if ~exists("ystart","local") then
%ys=%ystart1; iguess=0;
else
if and(type(ystart)<>[13 15 11]) then
error(msprintf(gettext("%s: Wrong type for input argument #%s: external expected.\n"),"bvodeS","guess"));
end
%ys=%ystart;iguess=1;
end
if ~exists("dfsub","local") then
dfsubA=%dfsub;
else
if and(type(ystart)<>[13 15 11]) then
error(msprintf(gettext("%s: Wrong type for input argument #%s: external expected.\n"),"bvodeS","dfsub"));
end
dfsubA=%dfsub1;
end
if ~exists("dgsub","local") then
dgsubA=%dgsub;
else
if and(type(ystart)<>[13 15 11]) then
error(msprintf(gettext("%s: Wrong type for input argument #%s: external expected.\n"),"bvodeS","dgsub"));
end
dgsubA=%dgsub1;
end
if ~exists("ltol","local") then ltol=1:ms; end
if ~exists("tol","local") then tol=1e-4*ones(1,ms); end
if ~exists("ntol","local") then ntol=length(tol); end
if ~exists("nonlin","local") then nonlin=1; end
if ~exists("collpnt","local") then collpnt=0; end
if ~exists("subint","local") then subint=0; end
if ~exists("iprint","local") then iprint=-1; end
if ~exists("ireg","local") then ireg = 0; end
if ~exists("ndimf","local") then
ndimf=1000*(4+ms+(5+n*collpnt)*(ms+n*collpnt)+4*ms^2);
end
if ~exists("ndimi","local") then
ndimi=1000*(3+ms+n*collpnt);
end
if ~exists("fixpnt","local") then
fixpnt=[];
else
ipar(11)=length(fixpnt);
end
if ~exists("ifail","local") then
ifail=0;
else
ifail=1;
end
ipar(1)=nonlin;
ipar(2)=collpnt;
ipar(3)=subint;
ipar(4)=ntol;
ipar(5)=ndimf;
ipar(6)=ndimi;
ipar(7)=iprint;
ipar(9)=iguess;
ipar(10)=ireg;
if ifail==1 then
mprintf("%s\n",["ltol = "+sci2exp(ltol,0)
"tol = "+sci2exp(tol,0)
"fixpnt = "+sci2exp(fixpnt,0)
"ipar = "+sci2exp(ipar,0)])
end
z=bvode(x,n,m,a,b,zeta,ipar,ltol,tol,fixpnt,%fsub,dfsubA,%gsub,dgsubA,%ys);
endfunction
function y=%R(f_,x,z)
if type(f_)==15 then
R_=f_(1); y=R_(x,z,f_(2:$));
elseif type(f_)==13 then
y=f_(x,z)
end
endfunction
function y=%fsub(x,z)
y=%R(fsub,x,z); sy=size(y);
if sy(1)==1, y=y', end
endfunction
function RS=%fsubT(z,x)
RS=%fsub(x,z)
endfunction
function J=%dfsub(x,z)
sz=size(z);if sz(1)==1, z=z'; end
J=numderivative(list(%fsubT,x),z)
endfunction
function J=%dfsub1(x,z)
J=%R(dfsub,x,z)
endfunction
function g=%gsub(i,z)
g=%R(gsub,i,z)
endfunction
function g=%gsubT(z,i)
g=%gsub(i,z)
endfunction
function dg=%dgsub(i,z)
sz=size(z);if sz(1)==1, z=z'; end
dg=numderivative(list(%gsubT,i),z)
endfunction
function dg=%dgsub1(i,z)
dg=%R(dgsub,i,z)
endfunction
function [z,LhS]=%RR(f_,x)
if type(f_)==15 then
RR_=f_(1); [z,LhS]=RR_(x,f_(2:$));
elseif type(f_)==13 then
[z,LhS]=f_(x)
end
endfunction
function [z,LhS]=%ystart(x)
[z,LhS]=%RR(ystart,x)
endfunction
function [z,LS]=%ystart1(x),
z=0; LS=0;
endfunction
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