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From: Matthias Troyer (troyer_at_[hidden])
Date: 2004-01-09 09:14:20

On Jan 9, 2004, at 8:57 AM, Dan W. wrote:

> Andy Little wrote:
>> my lib makes a point of not changing si OR non-si units unnecessarily
>> during
>> addition.
> Good!
> I also have another argument why the dimensional power type should be
> a template plug-in:
> e^(-j*pi) = 1.0
> There may be situations where irrational and imaginary powers are
> needed, even when the final result is intended to be every-day
> quantities. Complex powers are not unfathomable.

Sorry, but I do not understand the problem with units in the context of
this exp() function. Any argument to exp(), log(), sin(), cos() or
similar functions needs to be a pure dimensionless number. Where is the
problem here?


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