NAME
     PRODUCT_PREFIX

SYNOPSIS
     USE HPF_LIBRARY

     PRODUCT_PREFIX(ARRAY, DIM, MASK, SEGMENT, EXCLUSIVE)

DESCRIPTION
     PRODUCT_PREFIX  Computes  a  segmented  PRODUCT  scan  along
     dimension DIM of ARRAY.

ARGUMENTS
     ARRAY
          must be of type integer, real, or complex. It must  not
          be scalar.

     DIM  this is an optional argument.  If present, it  must  be
          scalar  and of type integer with a value in the range 1
          <= DIM <= n, where n is the rank of ARRAY.

     MASK is an optional argument.  Must be of type  logical  and
          must be conformable with ARRAY.

     SEGMENT
          this is an optional argument.  Must be of type  logical
          and have the same shape as ARRAY.

     EXCLUSIVE
          this is an optional argument.  Must be of type  logical
          and must be scalar.

RESULT TYPE
     Same type and shape as ARRAY.

SEE ALSO
     PRODUCT_SUFFIX.