#!/usr/bin/env python
#-*- coding:utf8-*-

# ------------------------------
# Imports
# ------------------------------ 
import matplotlib.pyplot as plt
import numpy as np

# ------------------------------
# Classes
# ------------------------------ 

# ------------------------------
# Fonctions
# ------------------------------ 

def lissage(L):
    """ lissage
    """
    D = [0 for l in L]
    D[0] = L[0]
    for i in range(len(L) - 2):
        D[i+1] = sum(L[i:i+3])/3
    D[-1] = L[-1]
    return D
        

# ------------------------------
# Bloc principal
# ------------------------------

if __name__ == '__main__':

    X = np.linspace(0,1, 20)
    A = -320 * X * (X-1) + 25*np.random.random(20)
    L = [float(int(A[i]*100))/100 for i in range(len(A))] + np.array([80]*20)

    print L

    # L = [  83.68,  103.54,  119.28,  124.75,  136.37,  142.3, 158.33,  157.94,  162.86,  168.11,  162.01,  167.05,  164,149.95,  149.03,  142.29,  124.51,  111.61, 98.7,  87.23]
    D = lissage(L)
    plt.plot(X,L)
    plt.plot(X,D)
    plt.show()



# ------------------------------
# Fin du programme
# ------------------------------

# -----------------------------
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