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from libc.stdlib cimport malloc, free
cimport cython
from cython.view cimport array
cdef void callback(void *data) noexcept:
print "callback called"
free(data)
def create_array(shape, mode, use_callback=False):
cdef array result = array(shape, itemsize=sizeof(int),
format='i', mode=mode)
cdef int *data = <int *> result.data
cdef int i, j, cidx, fidx
for i in range(shape[0]):
for j in range(shape[1]):
cidx = i * shape[1] + j
fidx = i + j * shape[0]
if mode == 'fortran':
data[fidx] = cidx
else:
data[cidx] = cidx
if use_callback:
result.callback_free_data = callback
return result
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