@Override
protected void performIteration() {
QuadraticSolver tmpSolver = this.buildIterationSolver(false);
Optimisation.Result tmpResult = tmpSolver.solve();
if (tmpResult.getState().isFeasible()) {
this.extractSolution(tmpSolver);
this.setState(State.OPTIMAL);
} else {
tmpSolver = this.buildIterationSolver(true);
tmpResult = tmpSolver.solve();
if (tmpResult.getState().isFeasible()) {
this.extractSolution(tmpSolver);
this.setState(State.OPTIMAL);
} else {
this.resetX();
this.setState(State.INFEASIBLE);
}
}
}
private void extractSolution(final QuadraticSolver aSolver) {
final MatrixStore<Double> tmpSolutionX = aSolver.getSolutionX();
final int tmpCountVariables = this.countVariables();
final int tmpCountEqualityConstraints = this.countEqualityConstraints();
for (int i = 0; i < tmpCountVariables; i++) {
this.setX(i, tmpSolutionX.doubleValue(i));
}
for (int i = 0; i < tmpCountEqualityConstraints; i++) {
this.setLE(i, tmpSolutionX.doubleValue(tmpCountVariables + i));
}
}
Builder(final ExpressionsBasedModel aModel) {
super(aModel);
QuadraticSolver.copy(aModel, this);
}