VMS Help FORTRAN, Intrinsic Procedures, REAL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  REAL (number)

  A function that converts the argument to a real value.
  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |  REAL   | FLOATI   | INTEGER*2  | REAL*4      |
  |      |         | FLOATJ   | INTEGER*4  | REAL*4      |
  |      |         | REAL     | REAL*4     | REAL*4      |
  |      |         | SNGL     | REAL*8     | REAL*4      |
  |      |         | SNGLQ    | REAL*16    | REAL*4      |
  |      |         | REAL     | COMPLEX*8  | REAL*4      |
  |      |         | REAL     | COMPLEX*16 | REAL*4      |
  +------+---------+----------+------------+-------------+