Re: [Cython] error: ‘__Pyx_SafeReleaseBuffer’ was not declared in this scope

Neal Becker wrote:
> Neal Becker wrote:
> 
>> This code:
>> -------------------
>> import numpy as np
>> cimport numpy as np
>>
>> np.import_array()
>>
>> cdef inline int x_ (int k, int n):
>>     cdef int center = (n-1)/2
>>     return k-center
>>
>> def lagrange (float x, int n):
>>     
>>     cdef np.ndarray[np.float64_t, ndim=1] ret # = np.empty (n,
>>     dtype=float) cdef int j, k
>>     cdef float prod, top, bot
>>     
>>     for j in range (n):
>>         prod = 1
>>         for k in xrange (0, n):
>>             if (k != j):
>>                 top = x - x_(k, n)
>>                 bot = x_(j, n) - x_(k, n)
>>                 prod *= top/bot
>>         ret[j] = prod
>>     return ret
>> --------------