Function factorial

Lib/test/profilee.py:35–46

(n)

    factorial(14)                       # 130

def factorial(n):
    # 23 calls total
    # 170 ticks total, 150 ticks local
    # 3 primitive calls, 130, 20 and 20 ticks total
    # including 116, 17, 17 ticks local
    global TICKS
    if n > 0:
        TICKS += n
        return mul(n, factorial(n-1))
    else:
        TICKS += 11
        return 1

def mul(a, b):
    # 20 calls