8.91 FRACTION — Fractional part of the model representation

Description:

FRACTION(X) returns the fractional part of the model representation of X.

Standard:

Fortran 95 and later

Class:

Elemental function

Syntax:

Y = FRACTION(X)

Arguments:

X	The type of the argument shall be a REAL.

Return value:

The return value is of the same type and kind as the argument. The fractional part of the model representation of X is returned; it is X * RADIX(X)**(-EXPONENT(X)).

Example:

          program test_fraction
            real :: x
            x = 178.1387e-4
            print *, fraction(x), x * radix(x)**(-exponent(x))
          end program test_fraction