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# FileMaker Pro Custom Functions

BitOperationX( wordNr ; RC ; n ; OPC ; OP1 ; OP2 )

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Average rating: 4.7  (27 votes)
Discuss this Custom Function

Erich Schmidt, none
none

bitwise logical operation

Sample Input:
 BitOperationX( 0 ; 0 ; 2 ; 9 ; 2^30 - 1; 2^11 - 2^8 )
Sample Output:
 3,221,227,264

Then copy & paste into FileMaker Advanced's Edit Custom Function window.

## Description:

The parameters OP1 and OP2 can be large integer numbers (where at least one of them is greater than 65,535). The function value is the result of a bitwise logical operation between OP1 and OP2. This Function works just as BitOperation(), unlike this function 16*n bits are processed.

Requires other Custom Functions:
BitLsbOperation()
BitOperation()

Notes:
Function call at the highest recursion level requires the first both parameters are set to 0.
Therefore, it's more comfortable to encapsulate this function by calling for instance
BitOpX( n ; OPC ; OP1 ; OP2 ) = BitOperationX( 0 ; 0 ; n ; OPC ; OP1 ; OP2 )

Parameters:
wordNr, RC these parameters must be set to 0 by the caller. Otherwise it leads to faulty results.
n number of 16-bit units to process
OP1;OP2 any integer values
OPC can be any integer number from 0 to 15

OPC=0 is true, if OP1 AND NOT OP1 is true (never)
OPC=1 is true, if NOT (OP1 OR OP2) is true
OPC=2 is true, if NOT OP1 AND OP2 is true
OPC=3 is true, if NOT OP1 is true
OPC=4 is true, if OP1 AND NOT OP2 is true
OPC=5 is true, if NOT OP2 is true
OPC=6 is true, if OP1 XOR OP2 is true (exclusive or)
OPC=7 is true, if NOT (OP1 AND OP2) is true
OPC=8 is true, if OP1 AND OP2 is true (conjunction)
OPC=9 is true, if NOT ( OP1 XOR OP2) is true (equivalence)
OPC=10 is true, if OP2 is true
OPC=11 is true, if NOT OP1 OR OP2 is true
OPC=12 is true, if OP1 is true
OPC=13 is true, if OP1 OR NOT OP2 is true
OPC=14 is true, if OP1 OR OP2 is true (disjunction)
OPC=15 ist true, if OP1 OR NOT OP1 is true (always)

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

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