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Viewing changes to sandbox/eval/Projection.form

Committer: Anders Logg
Date: 2008-03-17 14:59:22 UTC
mto: This revision was merged to the branch mainline in revision 2414.
Revision ID: logg@simula.no-20080317145922-83cfli6k6ev22qu7

Implement evaluation of Functions at arbitrary points.
Now, f.eval(x) works for any x inside the mesh. Broken
in Python since FFC does not generate evaluate_basis
by default.

files added:
demo/function

demo/function/cpp

demo/function/cpp/Projection.form

demo/function/cpp/Projection.h

demo/function/cpp/main.cpp

demo/function/python

demo/function/python/demo.py

sandbox/eval/Projection.form

sandbox/eval/Projection.h

files modified:
dolfin/function/ConstantFunction.cpp

dolfin/function/ConstantFunction.h

dolfin/function/DiscreteFunction.cpp

dolfin/function/DiscreteFunction.h

dolfin/function/Function.cpp

dolfin/function/GenericFunction.h

dolfin/function/UserFunction.cpp

dolfin/function/UserFunction.h

dolfin/mesh/GTSInterface.cpp

dolfin/mesh/IntersectionDetector.cpp

sandbox/eval/main.cpp

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sandbox/eval/Projection.form

# Licensed under the GNU LGPL Version 2.1.

# First added: 2008-03-17

# Last changed: 2008-03-17

# The bilinear form a(v, u) and linear form L(v) for

# projection onto piecewise quadratics.

# Compile this form with FFC: ffc -l dolfin Projection.form.

element = FiniteElement("Lagrange", "tetrahedron", 2)

v = TestFunction(element)

u = TrialFunction(element)

f = Function(element)

a = v*u*dx

L = v*f*dx

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