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Speed up the obligation test.

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* src/tgbaalgos/minimize.cc (minimize_obligation): Do not
minimize aut_neg_f, complement min_aut_f instead.
* src/tgbaalgos/minimize.hh: Adjust description.
This commit is contained in:
Alexandre Duret-Lutz 2011-01-05 14:15:15 +01:00
parent f06fc8ac77
commit ef317685c8
3 changed files with 22 additions and 10 deletions
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4
src/tgbaalgos/minimize.hh
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@ -93,7 +93,7 @@ namespace spot
/// \endverbatim
/// (Note: although the above paper uses Spot, this function did not
/// exist at that time.)
tgba_explicit* minimize(const tgba* a, bool monitor = false);
tgba_explicit_number* minimize(const tgba* a, bool monitor = false);
/// \brief Minimize an automaton if it represents an obligation property.
@ -138,7 +138,7 @@ namespace spot
/// formula, then the result of \code minimize(aut) is returned.
/// Otherwise, if \a aut_neg_f was not supplied but \a f was, \a
/// aut_neg_f is built from the negation of \a f. Then we check
/// that \code product(aut,minimize(aut_neg_f)) and \code
/// that \code product(aut,!minimize(aut_f)) and \code
/// product(aut_neg_f,minize(aut)) are both empty. If they are, the
/// the minimization was sound. (See the paper for full details.)
const tgba* minimize_obligation(const tgba* aut_f,