digraph UML_Class_diagram {
	graph [
		label="Class diagram"
		labelloc="t"
		fontname="Helvetica,Arial,sans-serif"
        rankdir=LR
        splines=ortho
	]
	node [
		fontname="Helvetica,Arial,sans-serif"
		shape=record
		style=filled
		fillcolor=gray95
        
	]
    edge [
        
    ]
    CPrintable [label=<{ <b>CPrintable</b> } | { virtual std::stringtoString() } | { virtual CRational *evaluate() }>]
    COperator [label=<{ <b>COperator</b> } | { controls CRational }>]
    CRational [label=<{ <b>CRational</b> } | { controls CBigInt }>]
    

    COperator -> CPrintable
    CRational -> CPrintable


    subgraph cluster_0 {
		style=filled
		color=lightgrey
		node [style=filled,color=gray95,width=1.5]
        edge []
        

        CAdittion -> COperator
        CSubtraction -> COperator
        CMultiplication -> COperator
        CDivision -> COperator
        CLogarithm -> COperator
        CExponencial -> COperator
        CModulo -> COperator
		label = "Operators";
	}

    CTextsaver->CSaver
    CBinsaver->CSaver
}