cython

1
# mode: run
2
# tag: warnings, numpy
3

4
cimport numpy as np
5
# np.import_array not called - should generate warning
6

7
cdef extern from *:
8
    """
9
    static void** _check_array_api(void) {
10
        return PyArray_API; /* should be non NULL */
11
    }
12
    """
13
    void** _check_array_api()
14

15
def check_array_api():
16
    """
17
    >>> check_array_api()
18
    True
19
    """
20
    return _check_array_api() != NULL
21

22

23
_WARNINGS = """
24
4:8: 'numpy.import_array()' has been added automatically since 'numpy' was cimported but 'numpy.import_array' was not called.
25
"""
26