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Commit ebc6b852 authored by Jan Travnicek's avatar Jan Travnicek Committed by Jan Trávníček
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redesign undistinguishable states computation

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alib2algo/src/automaton/properties/UndistinguishableStates.cpp
+ 4
− 4
View file @ ebc6b852
......@@ -10,16 +10,16 @@
 
namespace {
 
auto UndistinguishableStatesDFA = registration::AbstractRegister < automaton::properties::UndistinguishableStates, ext::set < ext::set < DefaultStateType > >, const automaton::DFA < > & > ( automaton::properties::UndistinguishableStates::undistinguishable, "fsm" ).setDocumentation (
auto UndistinguishableStatesDFA = registration::AbstractRegister < automaton::properties::UndistinguishableStates, ext::set < ext::pair < DefaultStateType, DefaultStateType > >, const automaton::DFA < > & > ( automaton::properties::UndistinguishableStates::undistinguishable, "fsm" ).setDocumentation (
"Computes the partitions of undistinguishable states states in given DFA.\n\
\n\
@param dfa finite automaton.\n\
@return set of blocks of undistinguishable states" );
@return undistinguishable states relation" );
 
auto UndistinguishableStatesDFTA = registration::AbstractRegister < automaton::properties::UndistinguishableStates, ext::set < ext::set < DefaultStateType > >, const automaton::DFTA < > & > ( automaton::properties::UndistinguishableStates::undistinguishable, "fta" ).setDocumentation (
auto UndistinguishableStatesDFTA = registration::AbstractRegister < automaton::properties::UndistinguishableStates, ext::set < ext::pair < DefaultStateType, DefaultStateType > >, const automaton::DFTA < > & > ( automaton::properties::UndistinguishableStates::undistinguishable, "fta" ).setDocumentation (
"Computes the partitions of undistinguishable states states in given DFTA.\n\
\n\
@param dfta finite tree automaton.\n\
@return set of blocks of undistinguishable states" );
@return undistinguishable states relation" );
 
} /* namespace */
alib2algo/src/automaton/properties/UndistinguishableStates.h
+ 6
− 21
View file @ ebc6b852
......@@ -42,21 +42,6 @@ namespace properties {
* @sa DistinguishableStates
*/
class UndistinguishableStates {
template < class StateType >
static ext::set < ext::set < StateType > > convertUndistinguishable ( const ext::set < ext::pair < StateType, StateType > > & undistinguishable, const ext::set < StateType > & states ) {
ext::set < ext::set < StateType > > res;
for ( const StateType & state : states ) {
ext::set < StateType > partition;
for ( const StateType & other : states )
if ( undistinguishable.count ( ext::make_pair ( state, other ) ) != 0 )
partition.insert ( other );
res.insert ( partition );
}
return res;
}
template < class StateType >
static ext::set < ext::pair < StateType, StateType > > initial ( const ext::set < StateType > & states, const ext::set < StateType > & finals ) {
ext::set < ext::pair < StateType, StateType > > init;
......@@ -84,7 +69,7 @@ public:
* @return state partitioning of undistinguishable states
*/
template < class SymbolType, class StateType >
static ext::set < ext::set < StateType > > undistinguishable ( const automaton::DFA < SymbolType, StateType > & dfa );
static ext::set < ext::pair < StateType, StateType > > undistinguishable ( const automaton::DFA < SymbolType, StateType > & dfa );
 
/**
* Creates state partitioning of undistinguishable states-
......@@ -97,11 +82,11 @@ public:
* @return state partitioning of undistinguishable states
*/
template < class SymbolType, class StateType >
static ext::set < ext::set < StateType > > undistinguishable ( const automaton::DFTA < SymbolType, StateType > & fta );
static ext::set < ext::pair < StateType, StateType > > undistinguishable ( const automaton::DFTA < SymbolType, StateType > & fta );
};
 
template < class SymbolType, class StateType >
ext::set < ext::set < StateType > > UndistinguishableStates::undistinguishable ( const automaton::DFA < SymbolType, StateType > & dfa ) {
ext::set < ext::pair < StateType, StateType > > UndistinguishableStates::undistinguishable ( const automaton::DFA < SymbolType, StateType > & dfa ) {
ext::set < ext::pair < StateType, StateType > > undistinguishable = initial ( dfa.getStates ( ), dfa.getFinalStates ( ) );
 
do {
......@@ -127,11 +112,11 @@ ext::set < ext::set < StateType > > UndistinguishableStates::undistinguishable (
 
} while ( true );
 
return convertUndistinguishable ( undistinguishable, dfa.getStates ( ) );
return undistinguishable;
}
 
template < class SymbolType, class StateType >
ext::set < ext::set < StateType > > UndistinguishableStates::undistinguishable ( const automaton::DFTA < SymbolType, StateType > & fta ) {
ext::set < ext::pair < StateType, StateType > > UndistinguishableStates::undistinguishable ( const automaton::DFTA < SymbolType, StateType > & fta ) {
ext::set < ext::pair < StateType, StateType > > undistinguishable = initial ( fta.getStates ( ), fta.getFinalStates ( ) );
 
do {
......@@ -161,7 +146,7 @@ ext::set < ext::set < StateType > > UndistinguishableStates::undistinguishable (
 
} while ( true );
 
return convertUndistinguishable ( undistinguishable, fta.getStates ( ) );
return undistinguishable;
}
 
} /* namespace properties */
......
alib2integrationtest/test-src/tests/minimizeTest.cpp
+ 16
− 3
View file @ ebc6b852
......@@ -21,9 +21,10 @@ static const std::string qGenNFA ( ) {
 
TEST_CASE ( "Minimization FA test", "[integration]" ) {
static const std::string qDet ( "automaton::determinize::Determinize - | automaton::simplify::Trim -" );
static const std::string qMinimizeHop ( qDet + " | " + "automaton::simplify::Minimize - | automaton::simplify::Normalize -" );
static const std::string qMinimizeBrz ( qDet + " | " + "automaton::simplify::MinimizeBrzozowski - | automaton::simplify::Trim - | automaton::simplify::Normalize -" );
static const std::string qMinimizeDis ( qDet + " | " + "automaton::simplify::MinimizeByPartitioning - <( $gen | " + qDet + " | automaton::properties::UndistinguishableStates - ) | automaton::simplify::Normalize -" );
static const std::string qMinimizeHop ( qDet + " | " + "automaton::simplify::Minimize - | automaton::simplify::Normalize -" );
static const std::string qMinimizeBrz ( qDet + " | " + "automaton::simplify::MinimizeBrzozowski - | automaton::simplify::Trim - | automaton::simplify::Normalize -" );
static const std::string qMinimizeDis ( qDet + " | " + "automaton::simplify::MinimizeByPartitioning - <( $gen | " + qDet + " | automaton::properties::DistinguishableStates - | relation::RelationComplement - <( $gen | " + qDet + " | automaton::States::get - ) | relation::InducedEquivalence - ) | automaton::simplify::Normalize -" );
static const std::string qMinimizeUnd ( qDet + " | " + "automaton::simplify::MinimizeByPartitioning - <( $gen | " + qDet + " | automaton::properties::UndistinguishableStates - | relation::InducedEquivalence - ) | automaton::simplify::Normalize -" );
 
 
SECTION ( "Files tests" ) {
......@@ -41,6 +42,12 @@ TEST_CASE ( "Minimization FA test", "[integration]" ) {
"quit compare::AutomatonCompare <( $gen | " + qMinimizeHop + " )" + " <( $gen | " + qMinimizeDis + ")"
};
TimeoutAqlTest ( 2s, qs );
qs = {
"execute < " + inputFile + " > $gen",
"quit compare::AutomatonCompare <( $gen | " + qMinimizeHop + " )" + " <( $gen | " + qMinimizeUnd + ")"
};
TimeoutAqlTest ( 2s, qs );
}
}
 
......@@ -59,6 +66,12 @@ TEST_CASE ( "Minimization FA test", "[integration]" ) {
"quit compare::AutomatonCompare <( $gen | " + qMinimizeHop + " )" + " <( $gen | " + qMinimizeDis + ")"
};
TimeoutAqlTest ( 2s, qs );
qs = {
qGenNFA ( ) + " > $gen",
"quit compare::AutomatonCompare <( $gen | " + qMinimizeHop + " )" + " <( $gen | " + qMinimizeUnd + ")"
};
TimeoutAqlTest ( 2s, qs );
}
}
}
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