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# tag: numpy
# tag: openmp
cimport cython
from cython.parallel import prange
cimport numpy as np
@cython.boundscheck(False)
def test_parallel_numpy_arrays():
"""
>>> test_parallel_numpy_arrays()
-5
-4
-3
-2
-1
0
1
2
3
4
"""
cdef Py_ssize_t i, length
cdef np.ndarray[np.int64_t] x
try:
import numpy
except ImportError:
for i in range(-5, 5):
print i
return
x = numpy.zeros(10, dtype=numpy.int_)
length = x.shape[0]
for i in prange(length, nogil=True):
x[i] = i - 5
for i in x:
print(i)
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