using Clp,Cbc

JuDGE_SP_Solver = optimizer_with_attributes(Cbc.Optimizer, "logLevel" => 0, "ratioGap" => 0.0, "presolve" => "off", "preprocess" => "off")

JuDGE_MP_Solver = (optimizer_with_attributes(Clp.Optimizer, "LogLevel" => 0, "Algorithm" => 4),
				   JuDGE_SP_Solver)

JuDGE_DE_Solver = optimizer_with_attributes(Cbc.Optimizer, "logLevel" => 1, "ratioGap" => 0.0)
