RANGE — Decimal exponent range ¶RANGE(X) returns the decimal exponent range in the model of the
type of X.
Fortran 90 and later
Inquiry function
RESULT = RANGE(X)
| X | Shall be of type INTEGER,REALorCOMPLEX. | 
The return value is of type INTEGER and of the default integer
kind.
See PRECISION for an example.
SELECTED_REAL_KIND — Choose real kind, 
PRECISION — Decimal precision of a real kind