Constraint.Linearval (<=) : LinearExpr.t -> LinearExpr.t -> tA linear constraint: lhs <= rhs.
val (>=) : LinearExpr.t -> LinearExpr.t -> tA linear constraint: lhs >= rhs.
val (<) : LinearExpr.t -> LinearExpr.t -> tA linear constraint: lhs < rhs.
val (>) : LinearExpr.t -> LinearExpr.t -> tA linear constraint: lhs > rhs.
val (==) : LinearExpr.t -> LinearExpr.t -> tA linear constraint: lhs == rhs.
val (!=) : LinearExpr.t -> LinearExpr.t -> tA Linear constraint: lhs != rhs.