# this project is used for general test






# moving average ---- Nov 10, 23
# import array
# class MA():
#     def __init__(self):
#         self.x = array.array('f',0.0 for _ in range (4))
#         self.i = 0
#         self.sumx = 0.0
#         self.y = 0.0
#     def compute(self,u):
#         self.sumx -= self.x[self.i] # subtract oldest value from sum
#         self.x[self.i] = u # replace oldest value with new value
#         self.sumx += self.x[self.i] # add new value to sum
#         self.y = self.sumx / 4; # compute average
#         # update circular buffer index
#         self.i+=1
#         if self.i>3: 
#             self.i = 0
#         return self.y

# testma = MA()

# print(testma.compute(1.0))
# print(testma.compute(2.0))
# print(testma.compute(3.0))
# print(testma.compute(4.0))
# print(testma.compute(5.0))
# print(testma.compute(6.0))
# print(testma.compute(7.0))