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Greg_Deckler
Community Champion
6 years ago

BITAND (Bitwise AND)

In my recent quest to create or catalog as many DAX equivalents for Excel functions, with DEC2BIN and BIN2DEC figured out, we can implement a bitwise AND function, BITAND:

 

BITAND = 
    VAR __Decimal1 = SELECTEDVALUE('Decimal1'[Decimal1],0)
    VAR __Decimal2 = SELECTEDVALUE('Decimal2'[Decimal2],0)
RETURN
    SWITCH(TRUE(),
        __Decimal1 = 0 || __Decimal2 = 0,0,
            VAR __Table1 = 
                ADDCOLUMNS(
                    GENERATESERIES(0,LOG(__Decimal1,2),1),
                    "Bit",MOD(TRUNC(__Decimal1 / POWER(2,[Value])),2)
                )
            VAR __Table2 = 
                ADDCOLUMNS(
                    GENERATESERIES(0,LOG(__Decimal2,2),1),
                    "Bit",MOD(TRUNC(__Decimal2 / POWER(2,[Value])),2)
                )
            VAR __Table =
                ADDCOLUMNS(
                    ADDCOLUMNS(
                        GENERATESERIES(0,MAXX({ COUNTROWS(__Table1), COUNTROWS(__Table2) },[Value]) - 1),
                        "And",IF(
                                AND(
                                    MAXX(FILTER(__Table1,[Value] = EARLIER([Value])),[Bit]),
                                    MAXX(FILTER(__Table2,[Value] = EARLIER([Value])),[Bit])
                                ),1,0
                            )
                    ),
                    "Decimal",POWER(2,[Value]) * [And]
                )
        RETURN
            SUMX(__Table,[Decimal])
    )

 

NOTE: Does not support negative numbers, but so what, neither does Excel's BITAND function.

 

 

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