8.25 BIT_SIZE — Bit size inquiry function

Description:

BIT_SIZE(I) returns the number of bits (integer precision plus sign bit) represented by the type of I.

Option:

f95, gnu

Class:

elemental function

Syntax:

I = BIT_SIZE(I)

Arguments:

I	The type shall be INTEGER(*).

Return value:

The return value is of type INTEGER(*)

Example:

          program test_bit_size
              integer :: i = 123
              integer :: size
              size = bit_size(i)
              print *, size
          end program test_bit_size