/usr/share/doc/python-ffc/demo/Poisson1D.ufl is in python-ffc 1.3.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | # Copyright (C) 2004-2007 Anders Logg
#
# This file is part of FFC.
#
# FFC 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.
#
# FFC 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 for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with FFC. If not, see <http://www.gnu.org/licenses/>.
#
# The bilinear form a(u, v) and linear form L(v) for
# Poisson's equation.
#
# Compile this form with FFC: ffc Poisson.ufl
element = FiniteElement("Lagrange", interval, 1)
u = TrialFunction(element)
v = TestFunction(element)
f = Coefficient(element)
a = inner(grad(u), grad(v))*dx
L = f*v*dx
|