Examples of IntVar

com.exigen.ie.constrainer.IntVar
An interface for the constrained integer variable. The following code creates an integer variable:
```
 IntVar var = constrainer.addIntVar(min,max,name); 
```
solver.variables.IntVar
Interface for integer variables. Provides every required services. The domain is explicitly represented but is not (and should not be) accessible from outside.

CPRU r544: remove default implementation @author Charles Prud'homme @since 18 nov. 2010

Examples of solver.variables.IntVar

                solver.post(IntConstraintFactory.global_cardinality(carSequence, options[optNum], atMost, false));
                IntVar[] atLeast = VariableFactory.boundedArray("atleast_" + optNum + "_" + seqStart, idleConfs[optNum].length, 0, max, solver);
                solver.post(IntConstraintFactory.global_cardinality(carSequence, idleConfs[optNum], atLeast, false));


                // all others configurations may be chosen
                IntVar sum = VariableFactory.bounded("sum", optfreq[optNum][1] - optfreq[optNum][0], 99999999, solver);
                solver.post(IntConstraintFactory.sum(atLeast, sum));
            }
        }


        int[] values = new int[expArray.length];

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Examples of solver.variables.IntVar

    solver = new Solver("Cumulative example: makespan minimisation");
  }


  @Override
  public void buildModel() {
    IntVar capa = VF.fixed(6,solver);
    int n = 10;
    int max = 1000;
    makespan = VF.bounded("makespan",0,max,solver);
    start = VF.boundedArray("start",n,0,max,solver);
    IntVar[] end = new IntVar[n];

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Examples of solver.variables.IntVar

    public ESat isEntailed() {
        int min = 0;
        int max = 0;
        int nbInst = vars[nb_vars].isInstantiated() ? 1 : 0;
        for (int i = 0; i < nb_vars; i++) {
            IntVar var = vars[i];
            if (var.isInstantiated()) {
                nbInst++;
                if (setValues.contains(var.getValue())) {
                    min++;
                    max++;
                }
            } else {
                int nb = 0;
                for (int j : values) {
                    if (var.contains(j)) {
                        nb++;
                    }
                }
                if (nb == var.getDomainSize()) {
                    min++;
                    max++;
                } else if (nb > 0) {
                    max++;
                }

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Examples of solver.variables.IntVar

        matching = new int[n];
        for (int i = 0; i < n; i++) {
            matching[i] = -1;
        }
        map = new TIntIntHashMap();
        IntVar v;
        int ub;
        int idx = n;
        for (int i = 0; i < n; i++) {
            v = vars[i];
            ub = v.getUB();
            for (int j = v.getLB(); j <= ub; j = v.nextValue(j)) {
                if (!map.containsKey(j)) {
                    map.put(j, idx);
                    idx++;
                }
            }

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Examples of solver.variables.IntVar


    @Override
    public ESat isEntailed() {
        BitSet values = new BitSet(nbMaxValues);
        BitSet mandatoryValues = new BitSet(nbMaxValues);
        IntVar v;
        int ub;
        int minVal = 0;
        for (int i = 0; i < n; i++) {
            if (minVal > vars[i].getLB()) {
                minVal = vars[i].getLB();
            }
        }
        for (int i = 0; i < n; i++) {
            v = vars[i];
            ub = v.getUB();
            if (v.isInstantiated()) {
                mandatoryValues.set(ub - minVal);
            }
            for (int j = v.getLB(); j <= ub; j++) {
                values.set(j - minVal);
            }
        }
        if (values.cardinality() <= vars[n].getLB()) {
            return ESat.TRUE;

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Examples of solver.variables.IntVar

    IntVar[] X = new IntVar[n * n];
    //une variable par case avec pour domaine la reine qui l attaque. (les reines sont ainsi designees par les valeurs, et les cases par les variables)
    for (int i = 0; i < X.length; i++) {
      X[i] = VariableFactory.enumerated("Q" + i, 1, n*n, pb);
    }
    IntVar N = VariableFactory.fixed(val,pb);
    pb.post(IntConstraintFactory.nvalues(X,N));
    //i appartient a la variable j ssi la case i est sur une ligne/colonne/diagonale de j
    for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= n; j++) {
        //pour chaque case

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Examples of solver.variables.IntVar

            digraph.getSuccOf(i).clear();
            digraph.getPredOf(i).clear();
        }
        free.set(0, n2);
        int k, ub;
        IntVar v;
        for (int i = 0; i < n; i++) {
            v = vars[i];
            ub = v.getUB();
            int mate = matching[i];
            for (k = v.getLB(); k <= ub; k = v.nextValue(k)) {
                int j = map.get(k);
                if (mate == j) {
                    assert free.get(i) && free.get(j);
                    digraph.addArc(j, i);
                    free.clear(i);

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Examples of solver.variables.IntVar

            for (int i = 0; i < size; i++) {
                this.vars[i].duplicate(solver, identitymap);
                aVars[i] = (IntVar) identitymap.get(this.vars[i]);
            }
            this.vars[size].duplicate(solver, identitymap);
            IntVar aVar = (IntVar) identitymap.get(this.vars[size]);
            identitymap.put(this, new PropAtMostNValues_BC(aVars, aVar));
        }
    }

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Examples of solver.variables.IntVar

    }


    protected void filter() throws ContradictionException {
        buildSCC();
        int j, ub;
        IntVar v;
        for (int i = 0; i < n; i++) {
            v = vars[i];
            ub = v.getUB();
            for (int k = v.getLB(); k <= ub; k = v.nextValue(k)) {
                j = map.get(k);
                if (nodeSCC[i] != nodeSCC[j]) {
                    if (matching[i] == j) {
                        v.instantiateTo(k, aCause);
                    } else {
                        v.removeValue(k, aCause);
                        digraph.removeArc(i, j);
                    }
                }
            }
        }
        for (int i = 0; i < n; i++) {
            v = vars[i];
            if (!v.hasEnumeratedDomain()) {
                ub = v.getUB();
                for (int k = v.getLB(); k <= ub; k++) {
                    j = map.get(k);
                    if (!(digraph.arcExists(i, j) || digraph.arcExists(j, i))) {
                        v.removeValue(k, aCause);
                    }
                }
                int lb = v.getLB();
                for (int k = v.getUB(); k >= lb; k--) {
                    j = map.get(k);
                    if (!(digraph.arcExists(i, j) || digraph.arcExists(j, i))) {
                        v.removeValue(k, aCause);
                    }
                }
            }
        }
    }

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Examples of solver.variables.IntVar

            for (int i = 0; i < size; i++) {
                this.vars[i].duplicate(solver, identitymap);
                aVars[i] = (IntVar) identitymap.get(this.vars[i]);
            }
            this.vars[size].duplicate(solver, identitymap);
            IntVar aVar = (IntVar) identitymap.get(this.vars[size]);
            identitymap.put(this, new PropAtLeastNValues(aVars, this.concernedValues, aVar));
        }
    }

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