/**
* Build a {@link solver.variables.Variable} named {@code name}, defined by {@code type}. {@code
* type} is expected to be a {@link parser.flatzinc.ast.declaration.DManyInt} object.
*
* @param name name of the variable
* @param type {@link parser.flatzinc.ast.declaration.DManyInt} object.
* @param map
* @param solver
* @return {@link solver.variables.Variable}
*/
private static IntVar buildWithManyInt(
String name,
DManyInt type,
Expression expression,
THashMap<String, Object> map,
Solver solver) {
final IntVar iv;
if (expression != null) {
iv = buildOnExpression(DEBUG ? name : NO_NAME, expression, map, solver);
int[] values = type.getValues();
solver.post(IntConstraintFactory.member(iv, values));
} else {
iv = VariableFactory.enumerated(DEBUG ? name : NO_NAME, type.getValues(), solver);
}
map.put(name, iv);
return iv;
}
/**
* Build a {@link solver.variables.Variable} named {@code name}, defined by {@code type}.
*
* @param name name of the variable
* @param type {@link parser.flatzinc.ast.declaration.DInt2} object
* @param map
* @param solver
* @return {@link solver.variables.Variable}
*/
private static IntVar buildWithInt2(
String name, DInt2 type, Expression expression, THashMap<String, Object> map, Solver solver) {
final IntVar iv;
if (expression != null) {
iv = buildOnExpression(DEBUG ? name : NO_NAME, expression, map, solver);
int lb = type.getLow();
int ub = type.getUpp();
solver.post(IntConstraintFactory.member(iv, lb, ub));
} else {
int size = type.getUpp() - type.getLow() + 1;
if (size < 256) {
iv =
VariableFactory.enumerated(
DEBUG ? name : NO_NAME, type.getLow(), type.getUpp(), solver);
} else {
iv = VariableFactory.bounded(DEBUG ? name : NO_NAME, type.getLow(), type.getUpp(), solver);
}
}
map.put(name, iv);
return iv;
}
