mirror of https://github.com/pyodide/pyodide.git
24 lines
818 B
Python
24 lines
818 B
Python
# setup: import numpy ; a = numpy.array([ [i/10., i/10., i/20.] for i in range(44440)], dtype=numpy.double) # noqa
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# run: hyantes(0, 0, 90, 90, 1, 100, 80, 80, a)
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# pythran export hyantes(float, float, float, float, float, float, int,
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# int, float[][])
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import numpy as np
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def hyantes(xmin, ymin, xmax, ymax, step, range_, range_x, range_y, t):
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X, Y = t.shape
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pt = np.zeros((X, Y))
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for i in range(X):
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for j in range(Y):
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for k in t:
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tmp = 6368.0 * np.arccos(
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np.cos(xmin + step * i)
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* np.cos(k[0])
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* np.cos((ymin + step * j) - k[1])
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+ np.sin(xmin + step * i) * np.sin(k[0])
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)
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if tmp < range_:
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pt[i, j] += k[2] / (1 + tmp)
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return pt
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