DFLOAT (integer)

  Class:  Elemental function - Generic

  Converts an integer into a double precision value.

  +------+---------+----------+------------+-------------+
  | Args | Generic | Specific |  Argument  | Result Type |
  +------+---------+----------+------------+-------------+
  |  1   |  DFLOAT |   --     | INTEGER*1  | REAL*8      |
  |      |         | DFLOTI   | INTEGER*2  | REAL*8      |
  |      |         | DFLOTJ   | INTEGER*4  | REAL*8      |
  |      |         | DFLOTK   | INTEGER*8  | REAL*8      |
  +------+---------+----------+------------+-------------+

  These functions cannot be passed as actual arguments.