class GameState():
def __init__( self, play1, play2 ):
assert 1==isGCD( [play1, play2] ), "Initial 2 plays are not relatively prime"
self.gameBoard = NumericalSemigroup( [play1, play2] )
self.plays = [play1, play2]
def makePlay( self, play ):
assert play not in self.gameBoard.getInS(), "Invalid move; play already eliminated"
self.plays.append( play )
self.gameBoard = self.gameBoard.whatIfAddGens( self.plays )
def getPlays( self ):
return self.plays
def getNextPlays( self ):
return self.gameBoard.getNotInS()
def getValidNextPlays( self ):
thirds = []
for n in self.gameBoard.getNotS():
P2 = self.gameBoard.whatIfAddGens( [n] )
if P2.isIrreducible()==False and n > 3:
thirds.append( n )
return thirds
def copy( self ):
copy = GameState( self.plays[0], self.plays[1] )
for n in self.plays[2:]:
copy.makePlay( n )
return copy
def __init__(self, generators):
NS = NumericalSemigroup( generators )
self.nodes = NS.getNotS()[3:]
self.hashFullGraph = {}
for node in self.nodes:
self.hashFullGraph[node] = []
tempNS = NS.whatIfAddGens( [node] )
extendedVals = tempNS.getInS()
# Gets arcs even when they are larger than the new FS
for val in range(max(tempNS.getInS()), max(NS.getNotS()), 1) : extendedVals.append( val )
extendedVals = set( extendedVals )
for dest in extendedVals:
if dest in NS.getNotS():
self.hashFullGraph[ node ] = self.hashFullGraph[node] + [dest]
self.pairs = []
for nodeOrigin in self.hashFullGraph:
for nodeDest in self.hashFullGraph[ nodeOrigin ]:
if not self.checkLongerPathExists( nodeOrigin, nodeDest ):
self.pairs.append( (nodeOrigin, nodeDest ) )
