Package edu.cmu.sphinx.fst.semiring

Examples of edu.cmu.sphinx.fst.semiring.Semiring.zero()

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            ArrayList<Pair<State, Float>> p = queue.remove();
            State pnew = getStateLabel(p, stateMapper);
            queue.remove(0);
            ArrayList<Integer> labels = getUniqueLabels(fst, p);
            for (int label : labels) {
                Float wnew = semiring.zero();
                // calc w'
                for (Pair<State, Float> ps : p) {
                    State old = ps.getLeft();
                    Float u = ps.getRight();
                    int numArcs = old.getNumArcs();
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                    for (int j = 0; j < numArcs; j++) {
                        Arc arc = old.getArc(j);
                        if (label == arc.getIlabel()) {
                            State oldstate = arc.getNextState();
                            Pair<State, Float> pair = getPair(forQueue,
                                    oldstate, semiring.zero());
                            pair.setRight(semiring.plus(
                                    pair.getRight(),
                                    semiring.times(wnewRevert,
                                            semiring.times(u, arc.getWeight()))));
                        }
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                    }
                    qnewid = qnewid + "(" + old + "," + unew + ")";
                }

                if (stateMapper.get(qnewid) == null) {
                    State qnew = new State(semiring.zero());
                    res.addState(qnew);
                    stateMapper.put(qnewid, qnew);
                    // update new state's weight
                    Float fw = qnew.getFinalWeight();
                    for (Pair<State, Float> ps : forQueue) {
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        String[] osyms = fst.getOsyms();
        while (!queue.isEmpty()) {
            State s = queue.remove();
            Path currentPath = paths.get(s);

            if (s.getFinalWeight() != semiring.zero()) {
                String pathString = currentPath.getPath().toString();
                if (finalPaths.containsKey(pathString)) {
                    // path already exist. update its cost
                    Path old = finalPaths.get(pathString);
                    if (old.getCost() > currentPath.getCost()) {
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