private void setVarUBs(OpenIntToDoubleHashMap newUpperBounds) {
variableUpperBoundsToRestore = new OpenIntToDoubleHashMap();
for (OpenIntToDoubleHashMap.Iterator iterator = newUpperBounds.iterator();
iterator.hasNext(); ) {
iterator.advance();
variableUpperBoundsToRestore.put(iterator.key(), basicLpSolver.getVarUB(iterator.key()));
basicLpSolver.setVarUB(iterator.key(), iterator.value());
}
}
@Override
public double get(int constraint, int variable) {
if (values.size() < constraint) {
OpenIntToDoubleHashMap constraintVals = values.get(constraint);
if (constraintVals.containsKey(variable)) {
return constraintVals.get(variable);
}
}
return 0;
}
private Solution advancedStartToSolution(OpenIntToDoubleHashMap advancedStart) {
double[] values = new double[basicLpSolver.getNumVars()];
for (int i = 0; i < values.length; i++) {
if (advancedStart.containsKey(i)) {
values[i] = advancedStart.get(i);
} else {
return null;
}
}
return new Solution(
this.basicLpSolver.evaluateObjective(advancedStart),
values,
this.integralityTol,
this.integerVariables);
}
private void revertVarUBs() {
for (OpenIntToDoubleHashMap.Iterator iterator = variableUpperBoundsToRestore.iterator();
iterator.hasNext(); ) {
iterator.advance();
basicLpSolver.setVarUB(iterator.key(), iterator.value());
}
}