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Remove prune_scc(), prune_acc(), and related fonctions.

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* src/tgba/tgbareduc.cc, src/tgba/tgbareduc.hh (prune_scc,
prune_acc, remove_component, compute_scc, remove_acc,
is_not_accepting, delete_scc, is_terminal, remove_scc,
display_scc): Remove anything related to the simplification of
SCCs.
This commit is contained in:
Alexandre Duret-Lutz 2009-11-18 18:20:11 +01:00
parent 7ea51cc65f
commit 7ac3c5e70c
3 changed files with 14 additions and 467 deletions
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29
src/tgba/tgbareduc.hh
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@ -24,8 +24,6 @@
#include "tgbaexplicit.hh"
#include "tgbaalgos/reachiter.hh"
#include "tgbaalgos/gtec/explscc.hh"
#include "tgbaalgos/gtec/nsheap.hh"
#include <list>
#include <vector>
@ -54,9 +52,7 @@ namespace spot
public tgba_explicit_string, public tgba_reachable_iterator_breadth_first
{
public:
tgba_reduc(const tgba* a,
const numbered_state_heap_factory* nshf
= numbered_state_heap_hash_map_factory::instance());
tgba_reduc(const tgba* a);
~tgba_reduc();
@ -72,15 +68,6 @@ namespace spot
/// relation.
void delete_transitions(simulation_relation* rel);
/// Remove all state which not lead to an accepting cycle.
void prune_scc();
/// Remove some useless acceptance condition.
void prune_acc();
/// Compute the maximal SCC of the automata.
void compute_scc();
/// Add the SCC index to the display of the state \a state.
virtual std::string format_state(const spot::state* state) const;
@ -89,25 +76,11 @@ namespace spot
void display_scc(std::ostream& os);
protected:
bool scc_computed_;
scc_stack root_;
numbered_state_heap* h_;
std::stack<const spot::state*> state_scc_;
Sgi::hash_map<int, const spot::state*> state_scc_v_;
typedef Sgi::hash_map<const tgba_explicit::state*,
std::list<state*>*,
ptr_hash<tgba_explicit::state> > sp_map;
sp_map state_predecessor_map_;
// For reduction using scc.
typedef Sgi::hash_map<const spot::state*, int,
state_ptr_hash, state_ptr_equal> seen_map;
seen_map si_;
seen_map* seen_;
bdd acc_;
// Interface of tgba_reachable_iterator_breadth_first
void start();
void end();