Dallman Ross:
What's a good method of getting an an inverse value
for an unknown digit?
(1)
:0
* VAR ?? ^^-\/[0-9]+
*$ $MATCH ^ 0
{ VAR = "$=" }
:0E
*$ -$VAR ^ 0
{ VAR = "$=" }
(2) SPC = ' '
:0 # multiply by -1
*$ SPC ?? $VAR ^ 1 < -1
{ } VAR = "$="
Scores are integers, so decimals are truncated.
--
Grtz, Ruud
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