Re: multiply by -1

Ruud H.G. van Tol schreef:

>       :0
>       * VAR ?? ^^-?0*\/(0^^|[1-9][0-9]*)
>       *$ $VAR ^ 0
>       { VAR = "-$=" }
>       :0E
>       *$ $MATCH ^ 0
>       { VAR = "$=" }
>       :0E
>       { VAR = 'zero' }

This variant also works with values like '-999999999999' 

      :0
      * VAR ?? ^^-?0*\/(0^^|[1-9][0-9]*)
      *$ $VAR ^ 0
      { VAR = "-$MATCH" }
      :0E
      *$ 0$MATCH ^ 0
      { VAR = "$MATCH" }
      :0E
      { VAR = 'zero' }

The '0$MATCH' prevents a log-line when MATCH is empty.

-- 
Grtz, Ruud

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