pybind11/tests/test_numpy_array.py

27     return np.array([[1, 2, 3], [4, 5, 6]], '=u2')
31     a = np.array(0, 'f8')
47     a = np.array([[1, 2, 3], [4, 5, 6]], 'u2').view()
82         assert str(excinfo.value) == 'too many indices for an array: 3 (ndim = 2)'
118         assert str(excinfo.value) == 'array is not writeable'
186     a1 = np.array([1, 2], dtype=np.int16)
191     a1 = np.array([[1, 2], [3, 4]], dtype=np.float32, order='F')
196     a1 = np.array([[1, 2], [3, 4]], dtype=np.float32, order='C')
223         assert np.all(ac_view_1 == np.array([1, 2], dtype=np.int32))
252     assert m.isinstance_untyped(np.array([1, 2, 3]), "not an array")
253     assert m.isinstance_typed(np.array([1.0, 2.0, 3.0]))
260     assert defaults["array"].dtype == np.array([]).dtype
267     assert results["array"].dtype == np.int_
274     assert m.overloaded(np.array([1], dtype='float64')) == 'double'
275     assert m.overloaded(np.array([1], dtype='float32')) == 'float'
276     assert m.overloaded(np.array([1], dtype='ushort')) == 'unsigned short'
277     assert m.overloaded(np.array([1], dtype='intc')) == 'int'
278     assert m.overloaded(np.array([1], dtype='longlong')) == 'long long'
279     assert m.overloaded(np.array([1], dtype='complex')) == 'double complex'
280     assert m.overloaded(np.array([1], dtype='csingle')) == 'float complex'
283     assert m.overloaded(np.array([1], dtype='uint8')) == 'double'
286         m.overloaded("not an array")
297         Invoked with: 'not an array'
300     assert m.overloaded2(np.array([1], dtype='float64')) == 'double'
301     assert m.overloaded2(np.array([1], dtype='float32')) == 'float'
302     assert m.overloaded2(np.array([1], dtype='complex64')) == 'float complex'
303     assert m.overloaded2(np.array([1], dtype='complex128')) == 'double complex'
304     assert m.overloaded2(np.array([1], dtype='float32')) == 'float'
306     assert m.overloaded3(np.array([1], dtype='float64')) == 'double'
307     assert m.overloaded3(np.array([1], dtype='intc')) == 'int'
316         m.overloaded3(np.array([1], dtype='uintc'))
317     assert msg(excinfo.value) == expected_exc + repr(np.array([1], dtype='uint32'))
319         m.overloaded3(np.array([1], dtype='float32'))
320     assert msg(excinfo.value) == expected_exc + repr(np.array([1.], dtype='float32'))
322         m.overloaded3(np.array([1], dtype='complex'))
323     assert msg(excinfo.value) == expected_exc + repr(np.array([1. + 0.j]))
326     assert m.overloaded4(np.array([1], dtype='double')) == 'double'
327     assert m.overloaded4(np.array([1], dtype='longlong')) == 'long long'
331     assert m.overloaded4(np.array([1], dtype='float32')) == 'double'
332     assert m.overloaded4(np.array([1], dtype='short')) == 'long long'
334     assert m.overloaded5(np.array([1], dtype='double')) == 'double'
335     assert m.overloaded5(np.array([1], dtype='uintc')) == 'unsigned int'
336     assert m.overloaded5(np.array([1], dtype='float32')) == 'unsigned int'
343     assert m.issue685(np.array([97, 98, 99], dtype='b')) == "array"
348     z1 = np.array([[1, 2], [3, 4]], dtype='float64')
353         m.proxy_add2(np.array([1., 2, 3]), 5.0)
354     assert msg(excinfo.value) == "array has incorrect number of dimensions: 1; expected 2"
356     expect_c = np.ndarray(shape=(3, 3, 3), buffer=np.array(range(3, 30)), dtype='int')
361     assert m.proxy_squared_L2_norm(np.array(range(6))) == 55
362     assert m.proxy_squared_L2_norm(np.array(range(6), dtype="float64")) == 55
369     z1 = np.array([[1, 2], [3, 4]], dtype='float64')
373     expect_c = np.ndarray(shape=(3, 3, 3), buffer=np.array(range(3, 30)), dtype='int')
383     assert str(excinfo.value) == 'cannot create a pybind11::array from a nullptr'
402     a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9], dtype='float64')
414         assert(str(e).startswith("cannot resize an array"))
415     # transposed array doesn't own data
420         assert(str(e).startswith("cannot resize this array: it does not own its data"))
443     a = np.array([1], dtype=dtype)