/// <summary>
/// Initialize an aggregate integer variable with a name, size and domain.
/// </summary>
/// <param name="variableName">Variable name.</param>
/// <param name="size">Size of the aggregate.</param>
/// <param name="domain">Aggregate domain.</param>
internal AggregateSolverVariable(string variableName, int size, DomainRange domain)
: base(variableName, domain)
{
if (string.IsNullOrWhiteSpace(variableName))
{
throw new ArgumentException("Aggregate variable name cannot be empty", nameof(variableName));
}
if (size <= 0)
{
throw new ArgumentOutOfRangeException(nameof(size));
}
_variables = CreateVariables(size);
}
private static void RemoveTernaryValuesInconsistentWithBinaryConstraint(TernaryConstraintExpressionSolution constraintExpressionSolution,
int variableIndex,
DomainRange variableDomain)
{
var valueSetsToRemove = new List <ValueSet>();
foreach (var valueSet in constraintExpressionSolution.DomainValue.GetSets())
{
// Make sure the set does not violate the domain values
var variableValue = valueSet.GetAt(variableIndex - 1);
if (variableDomain.PossibleValues.All(value => value != variableValue))
{
valueSetsToRemove.Add(valueSet);
}
}
if (valueSetsToRemove.Any())
{
constraintExpressionSolution.DomainValue.RemoveSets(valueSetsToRemove);
}
}
/// <summary>
/// Initialize a solver variable with a name and range.
/// </summary>
/// <param name="name">Variable name.</param>
/// <param name="range">Domain range.</param>
internal SolverVariable(string name, DomainRange range)
: base(name)
{
Domain = range;
}
private DomainRange CloneFrom(DomainRange template)
{
return(new DomainRange(template.PossibleValues.ToArray()));
}