86 		deltas = self._model.getDeltas(master_values, round=round)
87 		base = deltas.pop(0)
88 		return base, self.storeDeltas(deltas, round=noRound)
90 	def storeDeltas(self, deltas, *, round=round):  argument
91 		deltas = [round(d) for d in deltas]
92 		if len(deltas) == len(self._supports) + 1:
93 			deltas = tuple(deltas[1:])
95 			assert len(deltas) == len(self._supports)
96 			deltas = tuple(deltas)
98 		varIdx = self._cache.get(deltas)
108 			return self.storeDeltas(deltas)
109 		self._data.addItem(deltas, round=noRound)
112 		self._cache[deltas] = varIdx
115 def VarData_addItem(self, deltas, *, round=round):  argument
116 	deltas = [round(d) for d in deltas]
119 	countThem = len(deltas)
121 		deltas = tuple(deltas[1:])
124 		deltas = tuple(deltas)
125 	self.Item.append(list(deltas))
164 	def interpolateFromDeltasAndScalars(deltas, scalars):  argument
166 		for d,s in zip(deltas, scalars):
175 		deltas = varData[major].Item[minor]
176 		return self.interpolateFromDeltasAndScalars(deltas, scalars)
178 	def interpolateFromDeltas(self, varDataIndex, deltas):  argument
182 		return self.interpolateFromDeltasAndScalars(deltas, scalars)