public override Predicate exec(Prolog engine)
        {
            Term      a1, a2, a3, a4;
            Predicate p1, p2, p3, p4;

            a1 = engine.aregs[1].Dereference();
            a2 = engine.aregs[2].Dereference();
            Predicate cont = engine.cont;

            a3 = engine.makeVariable();
            a4 = engine.makeVariable();
            p1 = new Predicates.dollar_cut_1(a3, cont);
            p2 = new Predicates.dollar_multi_3(a4, s1, a2, p1);
            p3 = new Predicates.dollar_minus_3(a1, s2, a4, p2);
            p4 = new Predicates.dollar_greaterOrEqual_2(a1, s1, p3);
            return(new Predicates.dollar_getLevel_1(a3, p4));
        }
Beispiel #2
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        public override Predicate exec(Prolog engine)
        {
            engine.setB0();
            Term      a1, a2, a3, a4, a5;
            Predicate p1, p2, p3, p4, p5;

            a1 = arg1.Dereference();
            a2 = arg2.Dereference();
            a3 = arg3.Dereference();

            a4 = engine.makeVariable();
            a5 = engine.makeVariable();
            p1 = new Predicates.dollar_toInteger_2(a5, a3, cont);
            p2 = new Predicates.dollar_multi_3(a1, a4, a5, p1);
            p3 = new Predicates.dollar_floatQuotient_3(a2, s2, a4, p2);
            p4 = new Predicates.dollar_lessOrEqual_2(a2, s2, p3);
            p5 = new Predicates.dollar_greaterOrEqual_2(a2, s1, p4);
            return(new Predicates.dollar_greaterThan_2(a1, s1, p5));
        }