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Cactus Code Thorn LocalInterp
Authors: Thomas Radke <tradke@aei.mpg.de> (with some documentation
provided by Jonathan Thornburg <jthorn@aei.mpg.de>), drawing
on older code by Paul Walker and optimization ideas
from Erik Schnetter <schnetter@uni-tuebingen.de>
Maintainer : Thomas Radke <tradke@aei.mpg.de>
CVS info : $Header$
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Purpose of the thorn
====================
This thorn does processor-local interpolation of N-dimensional data
arrays. In general there may be many input arrays (all defined on the
same uniform Cartesian grid) all being interpolated to the same set
of interpolation points. At present this thorn only supports the
CCTK_InterpLocal() API, but in the near future it will probably be
enhanced to support the newer CCTK_InterpLocalUniform() API.
History
=======
This interpolator was written by Thomas Radke in early 2001 (drawing
on older code by Paul Walker), and supports the interpolation operators
"first order uniform cartesian"
"second order uniform cartesian"
"third order uniform cartesian"
Originally lived in the PUGHInterp thorn, but it turned to have very
little to do with PUGH, so was moved here in winter 2001-2002.
From winter 2001-2002 to July 2003 this thorn also contained another
interpolator written by Jonathan Thornburg, but in July 2003 that
interpolator was moved to AEIThorns/AEILocalInterp because it was (is)
GPL and Cactus policies forbids GPL code in this arrangement.
Because CVS can't delete directories, this thorn still contains a lot
of empty-except-for-CVS-directories directory trees left over from
Jonathan Thornburg's interpolator. You can/should ignore these.
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