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# $Id$ |
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|
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## @file util.py |
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|
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""" |
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@brief Utility functions for escript |
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""" |
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|
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import numarray |
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# |
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# escript constants: |
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# |
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FALSE=0 |
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TRUE=1 |
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UNKNOWN=-1 |
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EPSILON=1.e-15 |
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Pi=3.1415926535897931 |
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# matrix types |
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CSC=0 |
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CSR=1 |
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LUMPED=10 |
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# some solver options: |
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NO_REORDERING=0 |
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MINIMUM_FILL_IN=1 |
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NESTED_DISSECTION=2 |
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DEFAULT_METHOD=0 |
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PCG=1 |
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CR=2 |
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CGS=3 |
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BICGSTAB=4 |
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SSOR=5 |
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ILU0=6 |
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ILUT=7 |
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JACOBI=8 |
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# supported file formats: |
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VRML=1 |
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PNG=2 |
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JPEG=3 |
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JPG=3 |
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PS=4 |
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OOGL=5 |
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BMP=6 |
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TIFF=7 |
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OPENINVENTOR=8 |
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RENDERMAN=9 |
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PNM=10 |
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# |
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# wrapper for various functions: if the argument has attribute the function name |
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# as an argument it calls the correspong methods. Otherwise the coresponsing numarray |
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# function is called. |
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# |
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def L2(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.L2() |
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|
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def grad(arg,where=None): |
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""" |
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@brief |
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|
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@param arg |
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@param where |
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""" |
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if where==None: |
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return arg.grad() |
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else: |
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return arg.grad(where) |
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|
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def integrate(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.integrate() |
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|
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def interpolate(arg,where): |
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""" |
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@brief |
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|
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@param arg |
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@param where |
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""" |
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return arg.interpolate(where) |
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|
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def transpose(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"transpose"): |
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return arg.transpose() |
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else: |
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return numarray.transpose(arg,axis=None) |
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|
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def trace(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"trace"): |
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return arg.trace() |
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else: |
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return numarray.trace(arg,k=0) |
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|
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def exp(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"exp"): |
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return arg.exp() |
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else: |
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return numarray.exp(arg) |
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|
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def sqrt(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"sqrt"): |
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return arg.sqrt() |
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else: |
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return numarray.sqrt(arg) |
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|
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def sin(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"sin"): |
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return arg.sin() |
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else: |
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return numarray.sin(arg) |
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|
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def cos(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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if hasattr(arg,"cos"): |
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return arg.cos() |
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else: |
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return numarray.cos(arg) |
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|
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def maxval(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.maxval() |
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|
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def minval(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.minval() |
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|
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def sup(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.sup() |
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|
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def inf(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.inf() |
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|
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def Lsup(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.Lsup() |
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|
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def length(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.length() |
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|
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def sign(arg): |
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""" |
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@brief |
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|
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@param arg |
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""" |
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return arg.sign() |
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# |
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# $Log$ |
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# Revision 1.2 2004/10/27 00:23:36 jgs |
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# fixed minor syntax error |
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# |
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# Revision 1.1.1.1 2004/10/26 06:53:56 jgs |
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# initial import of project esys2 |
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# |
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# Revision 1.1.2.3 2004/10/26 06:43:48 jgs |
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# committing Lutz's and Paul's changes to brach jgs |
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# |
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# Revision 1.1.4.1 2004/10/20 05:32:51 cochrane |
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# Added incomplete Doxygen comments to files, or merely put the docstrings that already exist into Doxygen form. |
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# |
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# Revision 1.1 2004/08/05 03:58:27 gross |
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# Bug in Assemble_NodeCoordinates fixed |
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# |
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# |