#setup: import numpy ; a = numpy.array([ [i/10., i/10., i/20.] for i in range(44440)], dtype=numpy.double)
#run: hyantes(0, 0, 90, 90, 1, 100, 80, 80, a)

#pythran export hyantes(float, float, float, float, float, float, int, int, float[][])
import numpy as np
def hyantes(xmin, ymin, xmax, ymax, step, range_, range_x, range_y, t):
    X,Y = t.shape
    pt = np.zeros((X,Y))
    for i in range(X):
        for j in range(Y):
            for k in t:
                tmp = 6368.* np.arccos( np.cos(xmin+step*i)*np.cos( k[0] ) * np.cos((ymin+step*j)-k[1])+  np.sin(xmin+step*i)*np.sin(k[0]))
                if tmp < range_:
                    pt[i,j]+=k[2] / (1+tmp)
    return pt