DBLE (number)

  Class:  Elemental function - Generic

  Converts a number into a REAL*8 value.

  +------+-----------+----------+------------+-------------+
  | Args | Generic   | Specific |  Argument  | Result Type |
  +------+-----------+----------+------------+-------------+
  |  1   |  DBLE     |   --     | INTEGER*1  | REAL*8      |
  |      |           |   --     | INTEGER*2  | REAL*8      |
  |      |           |   --     | INTEGER*4  | REAL*8      |
  |      |           |   --     | INTEGER*8  | REAL*8      |
  |      |           |  DBLE    | REAL*4     | REAL*8      |
  |      |           |   --     | REAL*8     | REAL*8      |
  |      |           |  DBLEQ   | REAL*16    | REAL*8      |
  |      |           |   --     | COMPLEX*8  | REAL*8      |
  |      |           |   --     | COMPLEX*16 | REAL*8      |
  |      |           |   --     | COMPLEX*32 | REAL*8      |
  +------+-----------+----------+------------+-------------+

  These functions cannot be passed as actual arguments.