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22 lines
380 B
Cython
22 lines
380 B
Cython
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cimport cython
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import numpy as np
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@cython.boundscheck(False)
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cpdef sum_function( double [:] B, double [:] x, double [:] n, double [:] out):
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cdef int i,j
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cdef double aa
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cdef double do
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cdef int Nx = len(x)
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cdef int Nn = len(n)
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out[:] = 0
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for i in xrange(Nx):
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for j in range(Nn):
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out[i] += B[j]*x[i]**n[j]
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