def fixedToFloat(value, precisionBits):
	"""Converts a fixed-point number to a float given the number of
	precisionBits.  Ie. value / (1 << precisionBits)

	>>> import math
	>>> f = fixedToFloat(-10139, precisionBits=14)
	>>> math.isclose(f, -0.61883544921875)
	True
	"""
	return value / (1 << precisionBits)