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revno: 4650
committer: Anders Logg<logg@xxxxxxxxx>
branch nick: dolfin-dev
timestamp: Mon 2010-03-22 13:48:12 +0100
message:
Add option for allowing extrapolation during interpolation. This
situation may arise during mesh refinement as a result of round-off
errors. New mesh points may be added that are slightly misplaced and
happen to lie outside the domain.
If the global option "allow_extrapolation" is set, then the closest
cell is found and the values extrapolated from there. In such cases, a
warning is issued and the maximum distance to the original mesh is
reported.
added:
demo/adaptivity/interpolation/
demo/adaptivity/interpolation/cpp/
demo/adaptivity/interpolation/cpp/README
demo/adaptivity/interpolation/python/
demo/adaptivity/interpolation/python/demo.py
modified:
dolfin/function/Function.cpp
dolfin/function/Function.h
dolfin/parameter/GlobalParameters.h
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