DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 Tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software. 

top - download
Index: ┃ B T ┃

⟦f063b9d4f⟧ TextFile

    Length: 1585 (0x631)
    Types: TextFile
    Names: »B«

Derivation

└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦this⟧ 
└─⟦a7d1ea751⟧ Bits:30000550 8mm tape, Rational 1000, !users!projects 94_04_11
    └─ ⟦129cab021⟧ »DATA« 
        └─⟦e24fb53b7⟧ 
            └─⟦this⟧

TextFile

separate (M_Rule_Bundle)
package body Change_Two_Notes_Rule is

    use Alias;
    use Slot;
    use M_Frames;
    use M_Kbs.Kbs.Predicate;
    use M_Kbs.Kbs.Predicate.System_Defined_Predicate;

    function Premiss return Fact_Queries is
    begin
        return (Bank_Notes.Exist ((Value => Define_As (X) and Is_Different (2),
                                   Power => Define_As (P))),

                Bank_Notes.Exist ((Value => Is_Equal (X),  
                                   Power => Is_Equal (P))));
    end Premiss;


    procedure Action (Objects : Fact_Collection) is  
        First_Note  : Fact_Name renames Objects (1);
        Second_Note : Fact_Name renames Objects (2);

        The_Value : Integer := Bank_Notes.Get (First_Note, Value);
        The_Power : Integer := Bank_Notes.Get (First_Note, Power);

        use Output_Stream;
        On_Screen : Output_Stream.Object := Standard_Output;
    begin
        New_Line (On_Screen);
        Put_Line ("********** Changing two notes into one note **********",
                  On_Screen);  
        Bank_Notes.Delete (First_Note);
        Bank_Notes.Delete (Second_Note);
        if The_Value = 1 then
            Bank_Notes.Add ((Value (2), Value (The_Power)));
        elsif The_Value = 5 then
            Bank_Notes.Add ((Value (1), Value (The_Power * 10)));
        else
            Put_Line ("********** Error in  filtering **********", On_Screen);  
        end if;
        M_Kbs.Kbs.Fact_Base.Working_Memory.Default_Put
           (Output_Stream.Standard_Output);
    end Action;
end Change_Two_Notes_Rule;