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 FileMaker Pro Custom Functions

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FlexFloor ( number ; precision )

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  Average rating: 4.2  (30 votes)
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Kevin Frank, Kevin Frank & Associates
http://www.kevinfrank.com

An expanded "Floor" that accepts a precision argument

Sample Input:
FlexFloor ( 123.789 ; -3 )
FlexFloor ( 123.789 ; -2 )
FlexFloor ( 123.789 ; -1 )
FlexFloor ( 123.789 ; 0 )
FlexFloor ( 123.789 ; 1 )
FlexFloor ( 123.789 ; 2 )
FlexFloor ( 123.789 ; 3 )
Sample Output:
0
100
120
123
123.7
123.78
123.789


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

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

While the Floor function by definition returns the greatest integer <= x, I found myself wishing it could accept a precision argument the way Truncate does. The FlexFloor custom function allows this to happen.

At first glance, it appears that FlexFloor's behavior is identical to Truncate's... i.e., they both apparently "always round down", but this is only true for positive numbers. Truncating a *negative* number will make it *larger* (i.e., bring it back toward zero), but FlexFlooring it (or simply Flooring it) will make it *smaller* (i.e., move it farther away from zero).

E.g., Truncate ( -4.7 ; 0 ) = -4 whereas FlexFloor ( -4.7 ; 0 ) = -5

Note: see also the companion custom function, FlexCeiling.

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

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