#! /usr/bin/env python
""" Dependencies
1. Numpy
2. matplotlib"""
import numpy as np
import wavepy as wv
import matplotlib as mpl
import matplotlib.pyplot as plt
def main():
a=np.ones(8)
b=wv.convol.convol(a,a)
c=np.real(wv.convol.convfft(b,a))
plt.subplot(3,1,1)
plt.plot(a)
plt.ylabel('A')
plt.subplot(3,1,2)
plt.plot(b)
plt.ylabel('B=conv(A,A)')
plt.subplot(3,1,3)
plt.plot(c)
plt.ylabel('C=conv(A,B)')
plt.show()
if __name__ == '__main__':
main()