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The following component classes are currently implemented:
Component Type Description
Add Real Adds two inputs together
Arithmetic Real Combines edge values to give a cell value
Base Integer Returns edge values based on the board position
Bishop Real Radiates edge values diagonally controlled by resistance values for those edges
Cartesian Integer Does a 'cartesian product' of two inputs
Conductor Real Conducts cell values based on resistance values for the edges
Fork Both Returns edge values based on cell values
Homogeneity Real Returns edge values flagging if cells in same group
Hydra Integer Irregular pattern matcher
Liberty Real Sums values for all neighbours of 'connected' group
Location Integer Returns cell values based only on location on the board
Multiply Real Multiples two inputs
Octopus Real Like conductor but kind of radiates the values
Quincunx Integer Combines edge values to give a cell value
Readahead Real Read ahead component
Reciprocal Real Inverts each input value
Rook Real Radiates edge values horizontally or vertically controlled by resistance values for those edges
Simultaneity Real One edge-valued input is used to assign cells on the board into different groups, cell values for each group are summed then distributed
Spider Integer Return edge values based on the patterns of stones on the board - I was reading Tim Powers' "The Medusa Web" about this time
Switch Real For each value chooses one of two input values based on a third input value
ToReal Real Maps integer input values to real values
Topology Real Like Simultaneity but has an idea of groups touching groups
Tracker Integer Returns flags for cells affected by last move