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Work around a bug in Cython with using my mpi4py

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Dag Sverre Seljebotn 2015-06-03 23:50:59 +02:00
parent f8e6119f5d
commit 2ad975760f
1 changed files with 10 additions and 3 deletions
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13
python/libsharp/libsharp_mpi.pyx
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@ -1,10 +1,17 @@
from mpi4py.MPI cimport Comm cdef extern from "mpi.h":
ctypedef void *MPI_Comm
cdef extern from "Python.h": cdef extern from "Python.h":
object PyLong_FromVoidPtr(void*) object PyLong_FromVoidPtr(void*)
cdef extern:
ctypedef class mpi4py.MPI.Comm [object PyMPICommObject]:
cdef MPI_Comm ob_mpi
cdef unsigned flags
# For compatibility with mpi4py <= 1.3.1 # For compatibility with mpi4py <= 1.3.1
# Newer versions could use the MPI._addressof function # Newer versions could use the MPI._addressof function
def _addressof(comm): def _addressof(Comm comm):
cdef void *ptr = NULL cdef void *ptr = NULL
ptr = <void*>&(<Comm>comm).ob_mpi ptr = <void*>&comm.ob_mpi
return PyLong_FromVoidPtr(ptr) return PyLong_FromVoidPtr(ptr)