Extend the generic subroutine swap to handle arrays of integers. Extend the generic subroutine swap to handle character strings. Extend the generic subroutine swap to handle real values with...

Extend the generic subroutine swap to handle arrays of integers.

Extend the generic subroutine swap to handle character strings.

Extend the generic subroutine swap to handle real values with precision greater

than that of the default.