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Unary rules #6

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Unary rules #6

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@davidweichiang davidweichiang commented May 20, 2016

Grammar.writeData was printing out grammars with rules that sum to more than one. This was apparently for two reasons:

  • It was intentionally printing out the max-closed unary rules instead of the real unary rules. But (IMO) it should print out the real rules because it's possible to recompute the max-closed rules from the real rules but not vice versa.
  • Grammar.computePairsOfUnaries had a line that was adding the sum-closed unary rules to the set of real unary rules.

@davidweichiang
fix bug in Grammar.computePairsOfUnaries that caused some sum-closed …
752dcc5 
…unary rules to be added as real unary rules; change Grammar.writeData to write real unary rules instead of max-closed unary rules
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