public static float[] shortestDistance(Fst fst)
{
Fst fst2 = Reverse.get(fst);
float[] array = new float[fst2.getNumStates()];
float[] array2 = new float[fst2.getNumStates()];
Semiring semiring = fst2.getSemiring();
Arrays.fill(array, semiring.zero());
Arrays.fill(array2, semiring.zero());
LinkedHashSet linkedHashSet = new LinkedHashSet();
linkedHashSet.add(fst2.getStart());
array[fst2.getStart().getId()] = semiring.one();
array2[fst2.getStart().getId()] = semiring.one();
while (!linkedHashSet.isEmpty())
{
State state = (State)linkedHashSet.iterator().next();
linkedHashSet.remove(state);
float f = array2[state.getId()];
array2[state.getId()] = semiring.zero();
for (int i = 0; i < state.getNumArcs(); i++)
{
Arc arc = state.getArc(i);
State nextState = arc.getNextState();
float num = array[arc.getNextState().getId()];
float num2 = semiring.plus(num, semiring.times(f, arc.getWeight()));
if (num != num2)
{
array[arc.getNextState().getId()] = num2;
array2[arc.getNextState().getId()] = semiring.plus(array2[arc.getNextState().getId()], semiring.times(f, arc.getWeight()));
if (!linkedHashSet.contains(nextState))
{
linkedHashSet.add(nextState);
}
}
}
}
return(array);
}
private static void add(State state, State state2, float num, HashMap[] array, Semiring semiring)
{
Float pathWeight = RmEpsilon.getPathWeight(state, state2, array);
if (pathWeight == null)
{
RmEpsilon.put(state, state2, num, array);
}
else
{
RmEpsilon.put(state, state2, semiring.plus(num, pathWeight.floatValue()), array);
}
}
public static Fst get(Fst fst)
{
if (fst == null)
{
return(null);
}
if (fst.getSemiring() == null)
{
return(null);
}
Semiring semiring = fst.getSemiring();
Fst fst2 = new Fst(semiring);
HashMap[] array = new HashMap[fst.getNumStates()];
State[] array2 = new State[fst.getNumStates()];
State[] array3 = new State[fst.getNumStates()];
int numStates = fst.getNumStates();
for (int i = 0; i < numStates; i++)
{
State state = fst.getState(i);
State state2 = new State(state.getFinalWeight());
fst2.addState(state2);
array2[state.getId()] = state2;
array3[state2.getId()] = state;
if (state2.getId() == fst.getStart().getId())
{
fst2.setStart(state2);
}
}
for (int i = 0; i < numStates; i++)
{
State state = fst.getState(i);
State state2 = array2[state.getId()];
int numArcs = state.getNumArcs();
for (int j = 0; j < numArcs; j++)
{
Arc arc = state.getArc(j);
if (arc.getIlabel() != 0 || arc.getOlabel() != 0)
{
state2.addArc(new Arc(arc.getIlabel(), arc.getOlabel(), arc.getWeight(), array2[arc.getNextState().getId()]));
}
}
if (array[state.getId()] == null)
{
RmEpsilon.calcClosure(fst, state, array, semiring);
}
}
numStates = fst2.getNumStates();
for (int i = 0; i < numStates; i++)
{
State state = fst2.getState(i);
State state2 = array3[state.getId()];
if (array[state2.getId()] != null)
{
Iterator iterator = array[state2.getId()].keySet().iterator();
while (iterator.hasNext())
{
State state3 = (State)iterator.next();
State state4 = state3;
if (state4.getFinalWeight() != semiring.zero())
{
state.setFinalWeight(semiring.plus(state.getFinalWeight(), semiring.times(RmEpsilon.getPathWeight(state2, state4, array).floatValue(), state4.getFinalWeight())));
}
int numArcs2 = state4.getNumArcs();
for (int k = 0; k < numArcs2; k++)
{
Arc arc2 = state4.getArc(k);
if (arc2.getIlabel() != 0 || arc2.getOlabel() != 0)
{
Arc arc3 = new Arc(arc2.getIlabel(), arc2.getOlabel(), semiring.times(arc2.getWeight(), RmEpsilon.getPathWeight(state2, state4, array).floatValue()), array2[arc2.getNextState().getId()]);
state.addArc(arc3);
}
}
}
}
}
fst2.setIsyms(fst.getIsyms());
fst2.setOsyms(fst.getOsyms());
Connect.apply(fst2);
return(fst2);
}
public static Fst get(Fst fst)
{
if (fst.getSemiring() == null)
{
return(null);
}
Semiring semiring = fst.getSemiring();
Fst fst2 = new Fst(semiring);
fst2.setIsyms(fst.getIsyms());
fst2.setOsyms(fst.getOsyms());
LinkedList linkedList = new LinkedList();
HashMap hashMap = new HashMap();
State state = new State(semiring.zero());
string text = new StringBuilder().append("(").append(fst.getStart()).append(",").append(semiring.one()).append(")").toString();
linkedList.add(new ArrayList());
((ArrayList)linkedList.peek()).add(new Pair(fst.getStart(), Float.valueOf(semiring.one())));
fst2.addState(state);
hashMap.put(text, state);
fst2.setStart(state);
while (!linkedList.isEmpty())
{
ArrayList arrayList = (ArrayList)linkedList.remove();
State stateLabel = Determinize.getStateLabel(arrayList, hashMap);
ArrayList uniqueLabels = Determinize.getUniqueLabels(fst, arrayList);
Iterator iterator = uniqueLabels.iterator();
while (iterator.hasNext())
{
int num = ((Integer)iterator.next()).intValue();
Float @float = Float.valueOf(semiring.zero());
Iterator iterator2 = arrayList.iterator();
while (iterator2.hasNext())
{
Pair pair = (Pair)iterator2.next();
State state2 = (State)pair.getLeft();
Float float2 = (Float)pair.getRight();
int numArcs = state2.getNumArcs();
for (int i = 0; i < numArcs; i++)
{
Arc arc = state2.getArc(i);
if (num == arc.getIlabel())
{
@float = Float.valueOf(semiring.plus(@float.floatValue(), semiring.times(float2.floatValue(), arc.getWeight())));
}
}
}
ArrayList arrayList2 = new ArrayList();
Iterator iterator3 = arrayList.iterator();
while (iterator3.hasNext())
{
Pair pair2 = (Pair)iterator3.next();
State state3 = (State)pair2.getLeft();
Float float3 = (Float)pair2.getRight();
Float float4 = Float.valueOf(semiring.divide(semiring.one(), @float.floatValue()));
int numArcs2 = state3.getNumArcs();
for (int j = 0; j < numArcs2; j++)
{
Arc arc2 = state3.getArc(j);
if (num == arc2.getIlabel())
{
State nextState = arc2.getNextState();
Pair pair3 = Determinize.getPair(arrayList2, nextState, Float.valueOf(semiring.zero()));
pair3.setRight(Float.valueOf(semiring.plus(((Float)pair3.getRight()).floatValue(), semiring.times(float4.floatValue(), semiring.times(float3.floatValue(), arc2.getWeight())))));
}
}
}
string text2 = "";
Iterator iterator4 = arrayList2.iterator();
while (iterator4.hasNext())
{
Pair pair4 = (Pair)iterator4.next();
State state4 = (State)pair4.getLeft();
Float float4 = (Float)pair4.getRight();
if (!String.instancehelper_equals(text2, ""))
{
text2 = new StringBuilder().append(text2).append(",").toString();
}
text2 = new StringBuilder().append(text2).append("(").append(state4).append(",").append(float4).append(")").toString();
}
if (hashMap.get(text2) == null)
{
State state2 = new State(semiring.zero());
fst2.addState(state2);
hashMap.put(text2, state2);
Float float2 = Float.valueOf(state2.getFinalWeight());
Iterator iterator5 = arrayList2.iterator();
while (iterator5.hasNext())
{
Pair pair5 = (Pair)iterator5.next();
float2 = Float.valueOf(semiring.plus(float2.floatValue(), semiring.times(((State)pair5.getLeft()).getFinalWeight(), ((Float)pair5.getRight()).floatValue())));
}
state2.setFinalWeight(float2.floatValue());
linkedList.add(arrayList2);
}
stateLabel.addArc(new Arc(num, num, @float.floatValue(), (State)hashMap.get(text2)));
}
}
return(fst2);
}
