SchofieChen

import time, signal
import paho.mqtt.client as mqtt

client = None
mqtt_looping = False

class mqtt_client_program():
    def __ini__(self,):
        pass
    def on_connect(self,mq, userdata, rc, _):

endolith

In [1]: n = 10000000

In [2]: x = rand(n)

In [3]: X = fft(x)

In [4]: rms_flat(x)
Out[4]: 0.57731639149367697

In [5]: rms_flat(ifft(X))