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cycles: rewrite using the tgba_digraph interface

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Fixes #50.

* src/tgbaalgos/cycles.cc, src/tgbaalgos/cycles.hh: Rewrite using
unsigned instead of state*, and std::vector instead of std::map.
* src/tgbaalgos/isweakscc.cc, src/tgbaalgos/powerset.cc: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2015-01-18 14:03:16 +01:00
parent 8fd594f5d0
commit 1411fa6063
4 changed files with 76 additions and 122 deletions
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10
src/tgbaalgos/isweakscc.cc
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@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2012, 2013, 2014 Laboratoire de Recherche et
// Copyright (C) 2012, 2013, 2014, 2015 Laboratoire de Recherche et
// Developpement de l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -26,7 +26,7 @@ namespace spot
namespace
{
// Look for a non-accepting cycle.
class weak_checker: public enumerate_cycles
class weak_checker final : public enumerate_cycles
{
public:
bool result;
@ -37,14 +37,14 @@ namespace spot
}
virtual bool
cycle_found(const state* start)
cycle_found(unsigned start) override
{
dfs_stack::const_reverse_iterator i = dfs_.rbegin();
acc_cond::mark_t acc = 0U;
for (;;)
{
acc |= i->succ->current_acceptance_conditions();
if (i->ts->first == start)
acc |= aut_->trans_storage(i->succ).acc;
if (i->s == start)
break;
++i;
// The const cast is here to please old g++ versions.