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% Copyright (C) 2005-2016 Julien Pommier.
%
% This file is a part of GetFEM++
%
% GetFEM++ is free software; you can redistribute it and/or modify it
% under the terms of the GNU Lesser General Public License as published
% by the Free Software Foundation; either version 3 of the License, or
% (at your option) any later version along with the GCC Runtime Library
% Exception either version 3.1 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 Lesser General Public
% License and GCC Runtime Library Exception for more details.
% You should have received a copy of the GNU Lesser General Public License
% along with this program; if not, write to the Free Software Foundation,
% Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
function check_geotrans(iverbose,idebug)
global gverbose;
global gdebug;
if (nargin >= 1),
gverbose = iverbose;
if (nargin == 2),
gdebug = idebug;
else
gdebug = 0; end;
else
gverbose = 0;
end;
gf_workspace('clear all');
gt=gf_geotrans('GT_PK(3,1)');
dim = gf_geotrans_get(gt,'dim');
gfassert('dim==3');
islin = gf_geotrans_get(gt,'is_linear');
gfassert('islin==1');
npt=gf_geotrans_get(gt,'nbpts');
gfassert('npt==4');
p = gf_geotrans_get(gt,'pts');
gfassert('size(p)==[3 4]');
n = gf_geotrans_get(gt, 'normals');
gfassert('norm(n(:,1)-0.5774)<0.001');
s = gf_geotrans_get(gt, 'char');
gfassert('s==''GT_PK(3,1)''');
s='GT_PRODUCT(GT_PRODUCT(GT_PK(2,3),GT_PK(1,1)),GT_QK(2,3))';
gt=gf_geotrans(s);
islin = gf_geotrans_get(gt,'is_linear');
gfassert('islin==0');
gf_geotrans_get(gt, 'char');
s='GT_LINEAR_PRODUCT(GT_PK(1,1),GT_PK(1,1))';
gt=gf_geotrans(s);
islin = gf_geotrans_get(gt,'is_linear');
gfassert('islin==1');
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