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# This file is part of ff3d - http://www.freefem.org/ff3d
# Copyright (C) 2005 Stephane Del Pino
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, 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 General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# $Id: function-reference-vertices-cartesian-q1.at,v 1.1 2006/07/20 17:49:29 delpinux Exp $
AT_SETUP([Function references vert. (cartesian Q1-FEM)])
AT_KEYWORDS (fem)
AT_DATA([test.ff],
[[
vertex a = (0,0,0);
vertex b = (1,2,3);
vertex n = (3,7,6);
mesh M = structured(n,a,b);
function uexact = x+2*y-6*z+3*x*y+x*z-2*y*z+0.5*x*y*z;
function u = reference(vertices,M,0:uexact);
double l2error = sqrt(int[M]((u-uexact)^2));
if (l2error < 1E-8)
cout << "ok\n";
else
cout << "oops: l2 error is " << l2error << "\n";
]])
AT_CHECK([$abs_top_builddir/ff3d -V 0 -nw test.ff],0,
[[ok
]])
AT_CLEANUP
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