Lahey/GNU Fortran

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8.80 EXPONENT — Exponent function

Description:
EXPONENT(X) returns the value of the exponent part of X. If X is zero the value returned is zero.
Standard:
Fortran 95 and later
Class:
Elemental function
Syntax:
RESULT = EXPONENT(X)
Arguments:

X The type shall be REAL.

Return value:
The return value is of type default INTEGER.
Example:
          program test_exponent
            real :: x = 1.0
            integer :: i
            i = exponent(x)
            print *, i
            print *, exponent(0.0)
          end program test_exponent