src/parsec/disk-image/parsec/parsec-benchmark/pkgs/apps/ferret/src/doc/manual/vecsetdist.texi

@subsection Trivial distance
@table @asis
@item @emph{Name:}
trivial
@item @emph{Type:}
@code{CASS_VECSET_DIST_TYPE_TRIVIAL}
@item @emph{Vecset type:}
@code{CASS_ANY}
@item @emph{Parameters:}
(none)
@item @emph{Description:}
The trivial distance measure always return 0 for any pair of vecsets.  This
vecset distance is only for debugging purpose.
@end table

@subsection Single distance
@table @asis
@item @emph{Name:}
single
@item @emph{Type:}
@code{CASS_VECSET_DIST_TYPE_SINGLE}
@item @emph{Vecset type:}
@code{CASS_ANY}
@item @emph{Parameters:}
(none)
@item @emph{Description:}
Take the first vector from each of the vecsets and return the distance between
the vectors.
@end table

@subsection EMD distance
@table @asis
@item @emph{Name:}
emd
@item @emph{Type:}
@code{CASS_VECSET_DIST_TYPE_EMD}
@item @emph{Vecset type:}
@code{CASS_ANY}
@item @emph{Parameters:}
(none)
@item @emph{Description:}
The Earth Mover's Distance.
@end table