| 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.