/usr/lib/python2.7/dist-packages/ufl/objects.py is in python-ufl 1.4.0-1.
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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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | "Utility objects for pretty syntax in user code."
# Copyright (C) 2008-2014 Martin Sandve Alnes
#
# This file is part of UFL.
#
# UFL 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.
#
# UFL 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 UFL. If not, see <http://www.gnu.org/licenses/>.
#
# Modified by Anders Logg, 2008
# Modified by Kristian Oelgaard, 2009
#
# First added: 2008-03-14
# Last changed: 2014-03-19
from ufl.indexing import indices
from ufl.integral import Measure
from ufl.geometry import Cell
# Default indices
i, j, k, l = indices(4)
p, q, r, s = indices(4)
# Default measures for integration
dx = Measure("cell")
ds = Measure("exterior_facet")
ds_b = Measure("exterior_facet_bottom")
ds_t = Measure("exterior_facet_top")
ds_v = Measure("exterior_facet_vert")
ds_tb = ds_b + ds_t
dS = Measure("interior_facet")
dS_h = Measure("interior_facet_horiz")
dS_v = Measure("interior_facet_vert")
dP = Measure("point")
dc = Measure("custom")
dE = Measure("macro_cell")
# Cell types
cell1D = Cell("cell1D", 1)
cell2D = Cell("cell2D", 2)
cell3D = Cell("cell3D", 3)
vertex = Cell("vertex", 0)
interval = Cell("interval", 1)
triangle = Cell("triangle", 2)
tetrahedron = Cell("tetrahedron", 3)
quadrilateral = Cell("quadrilateral", 2)
hexahedron = Cell("hexahedron", 3)
# Facet is just a dummy declaration for RestrictedElement
facet = "facet"
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