[vtk-developers] Additional math functionality

[John Platt]

Just a comment on math functions that require 2D arrays as arguments.
When the dimensions are known at compile time, I find it more convenient
to declare, say,

 double[3][3] myArray;

 rather than

 double* myArrayPtrs[3];

Jacobi()is a case in mind.

Some additional 3x3 matrix transpose functionality would also be useful
-

           T
	C = A B
             T
	C = A B

and a 2nd order tensor transformation

               T
	C = R B R 

I am not sure whether a templated matrix class is worthwhile.

John.

-----Original Message-----
From: vtk-developers-bounces+jcplatt=lineone.net at vtk.org
[mailto:vtk-developers-bounces+jcplatt=lineone.net at vtk.org] On Behalf Of
Will Schroeder
Sent: 03 November 2005 12:08
To: vtk-developers at vtk.org
Subject: [vtk-developers] Additional math functionality

There has been a request by several VTK developers to move some math 
functionality into VTK (mainly polynomial root solvers). We are 
talking several thousand lines of code. Of course we could just cram 
it into vtkMath, take the ITK approach and include a math library, or 
create new math classes, etc. At this point I am looking for opinions.

Will

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