• Alexandre Duret-Lutz's avatar
    Speedup tgba_product when one of the argument is a Kripke structure. · 94ac863c
    Alexandre Duret-Lutz authored
    The gain is not very impressive.  The runtime of the first example
    in iface/dve2/README (also in dve2check.test) is 15% faster.
    * src/tgba/tgbaproduct.hh (tgba_succ_iterator_product): Move ...
    * src/tgba/tgbaproduct.cc (tgba_succ_iterator_product,
    tgba_succ_iterator_product_common): ... in these two classes.
    (tgba_succ_iterator_product_kripke): New class to speedup
    successor computation on Kripke structures.  We can assume that
    all the transitions leaving the same state have the same label.
    (tgba_product::tgba_product, tgba_product::succ_iter): Use
    tgba_succ_iterator_product_kripke when appropriate.
    (tgba_product_init::tgba_product_init): Adjust for the case
    where tgba_product did reverse its operands.
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