LOGICAL (logical-exp, [,kind])

  Class:  Elemental function - Generic

  Converts the logical value of the argument to a logical of
  different kind type parameters.

  The setting of integer size compiler options can affect this
  function.

  Examples:

  LOGICAL (L .OR.  .NOT.  L) has the value true and is of type
  default logical regardless of the kind type parameter of logical
  variable L.

  LOGICAL (.FALSE., 2) has the value false, with the kind type
  parameter of INTEGER(KIND=2).