Pre-lookup index search blocks and multidimensional interpolation blocks
that use the results of the pre-lookup index search blocks in a block
diagram to graphically specify (and perform) multidimensional
interpolation calculations. The pre-lookup index search and interpolation
blocks are defined so as to provide for a separation of breakpoint set
data and table data, thus enabling a user to explicitly manage the use of
common breakpoint set data. A block diagram created using pre-lookup
index search blocks and interpolation using pre-lookup index search
blocks shows all tables that use a particular breakpoint set via
graphical connections on the block diagram between the pre-lookup index
search blocks and the interpolation using pre-lookup index search blocks.