Generated by Cython 0.20.2 on Tue Nov 4 16:51:08 2014
Raw output: fastloop.c
1: #cython: boundscheck=False, wraparound=False, nonecheck=False
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2:
3:
4: from cython.parallel import prange
5: import numpy as np
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6: from math import exp
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7: from libc.math cimport exp as c_exp
8:
9: cdef extern from "vfastexp.h":
10: double c_exp_approx "EXP" (double)
11:
12: cdef extern from "fastonebigheader.h":
13: double c_exp_approx2 "fastexp" (double)
14:
15: cdef inline double rbf(double r, double theta):
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16:
17: return c_exp(-(r * theta)**2)
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18:
19: def rbf_network(double[:, :] X, double[:] beta, double theta):
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20:
21: cdef int N = X.shape[0]
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22: cdef int D = X.shape[1]
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23: cdef double[:] Y = np.zeros(N)
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24: cdef int i, j, d
25: cdef double r = 0
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26:
27: for i in range(N):
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31: r += (X[j, d] - X[i, d])**2
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32: r = r**0.5
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33: Y[i] += beta[j] * c_exp(-(r * theta)**2)
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34:
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