1. Re: Math Shortcuts

>what if:
>Xdis = floor(x2-x1)
>Xdis = power(Xdis,2)
>--now in theory, Xdis _should_ be 'integer', ie:
>--Xdis should have no 'real' or fractional part
>Ydis = floor(y2-y1)
>Xdis = power(Ydis,2)
>--Zdis = power(floor(z2-z1),2)
>DIS = SQRT( Xdis + Ydis ) -- + Zdis

        Speed demons, note!!! floor() is not fast. On my pentium, one
million ops for:
 o1 = floor(34.56)              2.42 seconds         vs
 o1 = sqrt(34.56)               1.54    "            vs
Arthur P. Adamson, The Engine Man, euclid at isoc.net

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