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tgbagraph: add a merge_transitions() method.

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* src/graph/graph.hh: Add some framework to erase transitions, and
defrag the resulting transitions_ vector on demand.  Also remove
the nb_states() and nb_transitions() because num_states() and
num_transitions() already exist.
* src/graphtest/graph.cc, src/graphtest/ngraph.cc: Adjust to
use num_states().
* src/tgba/tgbagraph.hh (merge_transitions): New method.
* src/misc/hash.hh: Add a pair_hash class, needed by
merge_transitions().
* src/graphtest/tgbagraph.cc, src/graphtest/tgbagraph.test: Add states
for transitions removal and merge_transitions().
This commit is contained in:
Alexandre Duret-Lutz 2014-05-21 19:16:50 +02:00
parent 9909699c63
commit 424de90385
7 changed files with 286 additions and 10 deletions
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2
src/graphtest/graph.cc
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@ -55,7 +55,7 @@ void
dot(std::ostream& out, spot::digraph<SL, TL>& g)
{
out << "digraph {\n";
unsigned c = g.nb_states();
unsigned c = g.num_states();
for (unsigned s = 0; s < c; ++s)
{
out << ' ' << s;