## 9.3.68 ILEN (I)

Description: | Returns the length (in bits) of the two's complement representation of an integer.
Class: | Elemental function; Generic
Arguments: | I must be of type integer.
Results: | The result type is the same as I. The result value is (LOG2( I + 1 )) if I is not negative; otherwise, the result value is (LOG2( -I )).

Examples

ILEN (4) has the value 3.

ILEN (-4) has the value 2.

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