abs()

Toen wij Ruud H.G. van Tol kietelden, kwam er dit uit:

>   abs_a = $a
>   :0
>   * abs_a ?? ^^-\/.*
>   { abs_a = $MATCH }
Alternative-1:

   dot = "."

   abs_a = $a
   :0
   *$ dot ?? $a^1 < -1
   { abs_a = $= }


Alternative-2:

   abs_a = $a
   :0
   *$ $a^-2  HOST ?? ^^.|.^^
   { abs_a = $= }

-- 
Grtz, Ruud

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