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.

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

Standard

Fortran 95 and later

Class

Inquiry function