9.44. BIT_SIZE

9.44 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. The result of BIT_SIZE(I) is independent of the actual value of I.
Standard:
Fortran 95 and later
Class:
Inquiry function
Syntax:
RESULT = 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