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Octave packages for IsoGeometric analysis and moving to 3.4
From: |
Carlo de Falco |
Subject: |
Octave packages for IsoGeometric analysis and moving to 3.4 |
Date: |
Thu, 16 Dec 2010 20:19:16 +0100 |
Hi all,
<shameless_plug>
I am one of the maintainers of the geoppdes project
<http://geopdes.sourceforge.net>
which consists of a set of Octave packages to solve various types
of partial differential equation problems from structural mechanics, fluid
dynamics
and electromagnetics with so-called isogeometric methods [1].
</shameless_plug>
As I read on the developers mailing list that the time of the 3.4 release is
approaching,
I decided to start testing that code with the current development sources and I
found
that, probably due to some change in the C++ API, some DLD functions are no
longer working.
For example, I get a crash with a "Bus Error" from this function here:
http://geopdes.svn.sourceforge.net/viewvc/geopdes/trunk/geopdes_base/src/op_gradu_gradv.cc
What this function does is cycle through the elements on an NDArray object and
use them to
create three arrays I, J, V which are then passed to the SparseMatrix
constructor.
So my question is, before I start digging deep into the source code to debug
this,
does anyone know off the top of his head whether there have been significant
changes to the interfaces
of the NDArray and SparseMatrix classes since 3.2.4 and what this changes are?
None of the changes listed in the "NEWS" file seem to be relevant, but maybe I
am mistaken...
Thanks in advance,
Carlo
[1] http://en.wikipedia.org/wiki/Isogeometric_Analysis
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