Physical constants

Jean-Paul Calderone exarkun at
Sat Nov 4 03:49:26 CET 2006

On Fri, 3 Nov 2006 18:57:49 -0500, Tommy Grav <tgrav at> wrote:
>I have some code for doing orbital computations. The code is kind of
>extensive with many classes, each having several functions. In these
>functions I need to use constants (like the gravitational constant).
>What is the best way of implementing a solution when constants are
>used in several different classes and functions? I do not want to
>pass the constant down through the functions. I have thought of
>making a class of constants but I do not want to invoke an
>instant in each function. How is the pi and e constants in math


Are you working on something similarly general?  I'd be interested to
take a look at your code if so.  In my spare time I'm working on some
simulation code that would probably benefit from something more correct
than what's at the above URL.


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