averages.txt

 0      0 averages:  1: 0.000  3: 0.000  5: 0.000 10: 0.000
 1   6424 averages:  1: 4063.541  3: 1822.822  5: 1165.722 10: 612.015
 2   7719 averages:  1: 6376.026  3: 3496.081  5: 2355.059 10: 1289.190
 3   8068 averages:  1: 7445.972  3: 4792.804  5: 3391.262 10: 1934.688
 4   6745 averages:  1: 7002.720  3: 5346.468  5: 3999.519 10: 2392.709
 5   4500 averages:  1: 5420.057  3: 5106.380  5: 4090.298 10: 2593.378
 6   7254 averages:  1: 6579.921  3: 5715.612  5: 4664.233 10: 3037.263
 7  10196 averages:  1: 8866.704  3: 6986.454  5: 5667.644 10: 3718.987
 8   6387 averages:  1: 7298.442  3: 6816.404  5: 5798.143 10: 3973.091
 9   5159 averages:  1: 5944.842  3: 6345.970  5: 5682.125 10: 4086.111
10   4395 averages:  1: 4964.350  3: 5792.273  5: 5448.511 10: 4115.545
11   8193 averages:  1: 7007.017  3: 6473.659  5: 5946.673 10: 4504.117
12   7126 averages:  1: 7082.295  3: 6658.815  5: 6160.744 10: 4753.985
13   5198 averages:  1: 5890.220  3: 6244.229  5: 5986.006 10: 4796.295
14   5897 averages:  1: 5894.507  3: 6145.741  5: 5969.862 10: 4901.112
15   8503 averages:  1: 7545.180  3: 6815.002  5: 6429.816 10: 5244.486
16   3184 averages:  1: 4785.747  3: 5784.297  5: 5840.575 10: 5048.097
17   7078 averages:  1: 6235.979  3: 6151.481  5: 6065.183 10: 5241.541
18   3884 averages:  1: 4747.947  3: 5507.908  5: 5669.266 10: 5112.170
19  11256 averages:  1: 8865.235  3: 7139.271  5: 6683.275 10: 5697.626
20   6590 averages:  1: 7426.195  3: 6983.442  5: 6666.352 10: 5782.626
21   3556 averages:  1: 4978.457  3: 6011.117  5: 6102.073 10: 5570.549

test.go

	averages := &Averages{
		&Average{average: 0.0, lastTime: time.Now(), interval: 1.0},
		&Average{average: 0.0, lastTime: time.Now(), interval: 3.0},
		&Average{average: 0.0, lastTime: time.Now(), interval: 5.0},
		&Average{average: 0.0, lastTime: time.Now(), interval: 10.0},
	}
	now := time.Now()
	for _, avg := range *averages {
		avg.lastTime = now
		avg.startTime = now
	}

	newCount := 0.0

	go func() {
		i := 0
		for {

			add := newCount
			newCount = 0.0

			for _, avg := range *averages {
				now := time.Now()
				fdtime := now.Sub(avg.lastTime).Seconds()
				// fmt.Println(i, "fdtime", fdtime, t, avg.lastTime)
				avg.lastTime = now
				avg.average = MovingExpAvg(add, avg.average, fdtime, avg.interval)
				// fmt.Println("new avg", avg)
			}

			fmt.Printf("%2d %6.0f averages:", i, add)
			for _, avg := range *averages {
				fmt.Printf(" %2.0f: %0.3f", avg.interval, avg.average)
			}
			fmt.Println("")
			i++
			time.Sleep(1 * time.Second)
		}
	}()