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local fibs = pd.Class:new():register("fibs")
function fibs:initialize(sel, atoms)
-- one inlet for bangs and other messages
self.inlets = 1
-- two outlets for the numbers in pairs
self.outlets = 2
-- intial pair
self.a, self.b = 0, 1
-- the modulus can also be set as creation argument
self.m = type(atoms[1]) == "number" and atoms[1] or 10
-- make sure that it's an integer > 0
self.m = math.max(1, math.floor(self.m))
-- print the modulus in the console, so that the user knows what it is
pd.post(string.format("fibs: modulus %d", self.m))
return true
end
function fibs:in_1_bang()
-- output the current pair in the conventional right-to-left order
self:outlet(2, "float", {self.b})
self:outlet(1, "float", {self.a})
-- calculate the next pair; note that it's sufficient to calculate the
-- remainder for the new number
self.a, self.b = self.b, (self.a+self.b) % self.m
end
function fibs:in_1_float(m)
-- a float input changes the modulus and resets the sequence
self.m = math.max(1, math.floor(m))
self.a, self.b = 0, 1
pd.post(string.format("fibs: modulus %d", self.m))
end
function fibs:in_1_reset()
-- a reset message just resets the sequence
self.a, self.b = 0, 1
end
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