#!/usr/bin/python3

import math
import time
import numba
import random

@numba.jit(nopython=True)
def grind(a):
    for i in range(0, 5000000):
        b=random.random()
        if b>0.5:
            c=math.pow(b,1.546)
        else:
            c=math.pow(b,0.434232)
        d=math.cos(c+i)
        a[i]=math.atan(d)

def main():
    a=[0.0] * 5000000

    random.seed(time.time())
    t1=time.time()

    grind(a)

    t2=time.time()
    print(t2-t1)

main()