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IsPowerOf2    --    check if an integer is a power of 2


Syntax 
IsPowerOf2(N: INT): BOOL

Description
This function determines whether an integer is a (positive) power of 2. To find out which power of 2 use the function FloorLog2 (see entry about FloorLog2, FloorLog10, FloorLogBase ).

Example 
/**/  IsPowerOf2(2);
true
/**/  IsPowerOf2(-2);
false

See Also