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Merge pull request #708 from KOLANICH/cython_code_fix

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Integer division is needed here.
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Zhenwen Dai 2019-04-11 07:57:15 +01:00 • committed by GitHub
commit 0b8fd0d951
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1 changed files with 2 additions and 2 deletions
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GPy/util/choleskies_cython.pyx
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@ -14,7 +14,7 @@ np.import_array()
def flat_to_triang(double[:, :] flat, int M): def flat_to_triang(double[:, :] flat, int M):
"""take a matrix N x D and return a D X M x M array where """take a matrix N x D and return a D X M x M array where
N = M(M+1)/2 N = M(M+1)//2
the lower triangluar portion of the d'th slice of the result is filled by the d'th column of flat. the lower triangluar portion of the d'th slice of the result is filled by the d'th column of flat.
""" """
@ -35,7 +35,7 @@ def flat_to_triang(double[:, :] flat, int M):
def triang_to_flat(double[:, :, :] L): def triang_to_flat(double[:, :, :] L):
cdef int D = L.shape[0] cdef int D = L.shape[0]
cdef int M = L.shape[1] cdef int M = L.shape[1]
cdef int N = M*(M+1)/2 cdef int N = M*(M+1)//2
cdef int count = 0 cdef int count = 0
cdef double[:, ::1] flat = np.empty((N, D)) cdef double[:, ::1] flat = np.empty((N, D))
cdef int d, m, mm cdef int d, m, mm