ALL (mask [,dim])

  Class:  Transformational function - Generic

  Determines if all values are true in an entire array or in a
  specified dimension of an array.

  The "mask" must be a logical array.  The "dim" must be a scalar
  integer with a value in the range 1 to n, where "n" is the rank of
  "mask".

  The result is a logical array with the same kind type parameter as
  "mask".  The result is scalar if "dim" is absent or "mask" has rank
  one.  Otherwise, the result is an array with rank that is one less
  than "mask", and shape (d1, d2,..., d"dim"-1, d"dim"+1,..., dn),
  where (d1, d2,..., dn) is the shape of "mask".

  The result of ALL (mask) has the value true if all elements of
  "mask" are true or "mask" has size zero.  The result has the value
  false if any element of "mask" is false.

  If "mask" has rank one, ALL (mask, dim) has the same value as ALL
  (mask).  Otherwise, the value of element (s1, s2,..., s"dim"-1,
  s"dim"+1,..., sn) of ALL (mask, dim) is equal to ALL (mask (s1,
  s2,..., s"dim"-1, :, s"dim"+1, ..., sn).

  Examples:

  ALL ((/.TRUE., .FALSE., .TRUE./)) has the value false.

  ALL ((/.TRUE., .TRUE., .TRUE./)) has the value true.

  Consider the following arrays:

    Array A       Array B

    |1 5 7|       |0 5 7|
    |3 6 8|       |2 6 9|

  ALL (A .NE.  B, DIM=1) has the value (true, false, true).

  ALL (A .NE.  B, DIM=2) has the value (true, true).