Function formula

tools/python/city_radius.py:44–46

(popul, base = 32, mult = 0.5)

    print "Cities count: %d" % len(cities)

def formula(popul, base = 32, mult = 0.5):
    #return math.exp(math.log(popul, base)) * mult
    return math.pow(popul, 1 / base) * mult

def avgDistance(approx, data):
    dist = 0