protected override IVariable InternalCreate(string name, Domain domain)
{
var variable = new OrToolsVariable
{
Name = name,
Domain = domain,
MilpManager = this
};
switch (domain)
{
case Domain.AnyInteger:
case Domain.AnyConstantInteger:
variable.Variable = Solver.MakeIntVar(double.MinValue, double.MaxValue, name);
break;
case Domain.AnyReal:
case Domain.AnyConstantReal:
variable.Variable = Solver.MakeVar(double.MinValue, double.MaxValue, false, name);
break;
case Domain.PositiveOrZeroInteger:
case Domain.PositiveOrZeroConstantInteger:
variable.Variable = Solver.MakeIntVar(0, double.MaxValue, name);
break;
case Domain.PositiveOrZeroReal:
case Domain.PositiveOrZeroConstantReal:
variable.Variable = Solver.MakeVar(0, double.MaxValue, false, name);
break;
case Domain.BinaryInteger:
case Domain.BinaryConstantInteger:
variable.Variable = Solver.MakeIntVar(0, 1, name);
break;
default:
throw new ArgumentOutOfRangeException(nameof(domain), domain, null);
}
return(variable);
}