MOD (dividend, divisor)

  Class:  Elemental function - Generic

  Divides the first argument by the second and returns the remainder.
  +------+----------+----------+------------+-------------+
  | Args | Generic  | Specific |  Argument  | Result Type |
  +------+----------+----------+------------+-------------+
  |  2   |  MOD     |  --      | INTEGER*1  | INTEGER*1   |
  |      |          | IMOD     | INTEGER*2  | INTEGER*2   |
  |      |see note1 | MOD      | INTEGER*4  | INTEGER*4   |
  |      |          | KMOD     | INTEGER*8  | INTEGER*8   |
  |      |see note2 | AMOD     | REAL*4     | REAL*4      |
  |      |          | DMOD     | REAL*8     | REAL*8      |
  |      |          | QMOD     | REAL*16    | REAL*16     |
  +------+----------+----------+------------+-------------+

  Note1: Or JMOD.
  Note2: The setting of compiler options specifying real
         size can affect AMOD.