gem install logic
By default, you get a truth table and a list of MC/DC pairs:
logic '(a or b) and (c or d)'
Gives you:
a b c d | output 1) 0 0 0 0 | 0 2) 0 0 0 1 | 0 3) 0 0 1 0 | 0 4) 0 0 1 1 | 0 5) 0 1 0 0 | 0 6) 0 1 0 1 | 1 7) 0 1 1 0 | 1 8) 0 1 1 1 | 1 9) 1 0 0 0 | 0 10) 1 0 0 1 | 1 11) 1 0 1 0 | 1 12) 1 0 1 1 | 1 13) 1 1 0 0 | 0 14) 1 1 0 1 | 1 15) 1 1 1 0 | 1 16) 1 1 1 1 | 1 a => [[2, 10], [3, 11], [4, 12]] b => [[2, 6], [3, 7], [4, 8]] c => [[5, 7], [9, 11], [13, 15]] d => [[5, 6], [9, 10], [13, 14]]
Copyright © 2010 Bryan Ash. See LICENSE for details.