Jonathan Wooldridge <jwo### [at] attbicom> wrote:
> Just because our digital mathematics aren't up to the task doesn't mean the
> result doesn't exist. The result of dividing 1 by 0 should be infinity.

  Infinity does not belong to the set of real numbers, which is the set
which is used in practice.

  Besides, the problem with vnormalize(<0,0,0>) is that it would make
<0/0, 0/0, 0/0> and 0/0 is truely undefined (it's not infinity even if
we include infinity in our numerical system).

  There's no point in adding support for infinity because infinity is not
usable for anything (every operation which you can make with infinity results
in infinity, -infinity or undefined, none of which are usable in practice).

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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