mirror of https://github.com/pyodide/pyodide.git
19 lines
487 B
Python
19 lines
487 B
Python
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#from: http://jakevdp.github.com/blog/2012/08/24/numba-vs-cython/
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#setup: import numpy as np ; X = np.linspace(0,10,200).reshape(20,10)
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#run: pairwise(X)
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#pythran export pairwise(float [][])
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import numpy as np
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def pairwise(X):
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M, N = X.shape
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D = np.empty((M,M))
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for i in range(M):
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for j in range(M):
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d = 0.0
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for k in range(N):
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tmp = X[i,k] - X[j,k]
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d += tmp * tmp
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D[i,j] = np.sqrt(d)
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return D
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