test_numpy_array.py revision 12391
111986Sandreas.sandberg@arm.comimport pytest 212391Sjason@lowepower.comfrom pybind11_tests import numpy_array as m 312037Sandreas.sandberg@arm.com 412037Sandreas.sandberg@arm.compytestmark = pytest.requires_numpy 511986Sandreas.sandberg@arm.com 611986Sandreas.sandberg@arm.comwith pytest.suppress(ImportError): 711986Sandreas.sandberg@arm.com import numpy as np 811986Sandreas.sandberg@arm.com 911986Sandreas.sandberg@arm.com 1011986Sandreas.sandberg@arm.com@pytest.fixture(scope='function') 1111986Sandreas.sandberg@arm.comdef arr(): 1212037Sandreas.sandberg@arm.com return np.array([[1, 2, 3], [4, 5, 6]], '=u2') 1311986Sandreas.sandberg@arm.com 1411986Sandreas.sandberg@arm.com 1511986Sandreas.sandberg@arm.comdef test_array_attributes(): 1611986Sandreas.sandberg@arm.com a = np.array(0, 'f8') 1712391Sjason@lowepower.com assert m.ndim(a) == 0 1812391Sjason@lowepower.com assert all(m.shape(a) == []) 1912391Sjason@lowepower.com assert all(m.strides(a) == []) 2011986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 2112391Sjason@lowepower.com m.shape(a, 0) 2211986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'invalid axis: 0 (ndim = 0)' 2311986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 2412391Sjason@lowepower.com m.strides(a, 0) 2511986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'invalid axis: 0 (ndim = 0)' 2612391Sjason@lowepower.com assert m.writeable(a) 2712391Sjason@lowepower.com assert m.size(a) == 1 2812391Sjason@lowepower.com assert m.itemsize(a) == 8 2912391Sjason@lowepower.com assert m.nbytes(a) == 8 3012391Sjason@lowepower.com assert m.owndata(a) 3111986Sandreas.sandberg@arm.com 3211986Sandreas.sandberg@arm.com a = np.array([[1, 2, 3], [4, 5, 6]], 'u2').view() 3311986Sandreas.sandberg@arm.com a.flags.writeable = False 3412391Sjason@lowepower.com assert m.ndim(a) == 2 3512391Sjason@lowepower.com assert all(m.shape(a) == [2, 3]) 3612391Sjason@lowepower.com assert m.shape(a, 0) == 2 3712391Sjason@lowepower.com assert m.shape(a, 1) == 3 3812391Sjason@lowepower.com assert all(m.strides(a) == [6, 2]) 3912391Sjason@lowepower.com assert m.strides(a, 0) == 6 4012391Sjason@lowepower.com assert m.strides(a, 1) == 2 4111986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 4212391Sjason@lowepower.com m.shape(a, 2) 4311986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'invalid axis: 2 (ndim = 2)' 4411986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 4512391Sjason@lowepower.com m.strides(a, 2) 4611986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'invalid axis: 2 (ndim = 2)' 4712391Sjason@lowepower.com assert not m.writeable(a) 4812391Sjason@lowepower.com assert m.size(a) == 6 4912391Sjason@lowepower.com assert m.itemsize(a) == 2 5012391Sjason@lowepower.com assert m.nbytes(a) == 12 5112391Sjason@lowepower.com assert not m.owndata(a) 5211986Sandreas.sandberg@arm.com 5311986Sandreas.sandberg@arm.com 5411986Sandreas.sandberg@arm.com@pytest.mark.parametrize('args, ret', [([], 0), ([0], 0), ([1], 3), ([0, 1], 1), ([1, 2], 5)]) 5511986Sandreas.sandberg@arm.comdef test_index_offset(arr, args, ret): 5612391Sjason@lowepower.com assert m.index_at(arr, *args) == ret 5712391Sjason@lowepower.com assert m.index_at_t(arr, *args) == ret 5812391Sjason@lowepower.com assert m.offset_at(arr, *args) == ret * arr.dtype.itemsize 5912391Sjason@lowepower.com assert m.offset_at_t(arr, *args) == ret * arr.dtype.itemsize 6011986Sandreas.sandberg@arm.com 6111986Sandreas.sandberg@arm.com 6211986Sandreas.sandberg@arm.comdef test_dim_check_fail(arr): 6312391Sjason@lowepower.com for func in (m.index_at, m.index_at_t, m.offset_at, m.offset_at_t, m.data, m.data_t, 6412391Sjason@lowepower.com m.mutate_data, m.mutate_data_t): 6511986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 6611986Sandreas.sandberg@arm.com func(arr, 1, 2, 3) 6711986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'too many indices for an array: 3 (ndim = 2)' 6811986Sandreas.sandberg@arm.com 6911986Sandreas.sandberg@arm.com 7011986Sandreas.sandberg@arm.com@pytest.mark.parametrize('args, ret', 7111986Sandreas.sandberg@arm.com [([], [1, 2, 3, 4, 5, 6]), 7211986Sandreas.sandberg@arm.com ([1], [4, 5, 6]), 7311986Sandreas.sandberg@arm.com ([0, 1], [2, 3, 4, 5, 6]), 7411986Sandreas.sandberg@arm.com ([1, 2], [6])]) 7511986Sandreas.sandberg@arm.comdef test_data(arr, args, ret): 7612037Sandreas.sandberg@arm.com from sys import byteorder 7712391Sjason@lowepower.com assert all(m.data_t(arr, *args) == ret) 7812391Sjason@lowepower.com assert all(m.data(arr, *args)[(0 if byteorder == 'little' else 1)::2] == ret) 7912391Sjason@lowepower.com assert all(m.data(arr, *args)[(1 if byteorder == 'little' else 0)::2] == 0) 8012391Sjason@lowepower.com 8112391Sjason@lowepower.com 8212391Sjason@lowepower.com@pytest.mark.parametrize('dim', [0, 1, 3]) 8312391Sjason@lowepower.comdef test_at_fail(arr, dim): 8412391Sjason@lowepower.com for func in m.at_t, m.mutate_at_t: 8512391Sjason@lowepower.com with pytest.raises(IndexError) as excinfo: 8612391Sjason@lowepower.com func(arr, *([0] * dim)) 8712391Sjason@lowepower.com assert str(excinfo.value) == 'index dimension mismatch: {} (ndim = 2)'.format(dim) 8812391Sjason@lowepower.com 8912391Sjason@lowepower.com 9012391Sjason@lowepower.comdef test_at(arr): 9112391Sjason@lowepower.com assert m.at_t(arr, 0, 2) == 3 9212391Sjason@lowepower.com assert m.at_t(arr, 1, 0) == 4 9312391Sjason@lowepower.com 9412391Sjason@lowepower.com assert all(m.mutate_at_t(arr, 0, 2).ravel() == [1, 2, 4, 4, 5, 6]) 9512391Sjason@lowepower.com assert all(m.mutate_at_t(arr, 1, 0).ravel() == [1, 2, 4, 5, 5, 6]) 9611986Sandreas.sandberg@arm.com 9711986Sandreas.sandberg@arm.com 9811986Sandreas.sandberg@arm.comdef test_mutate_readonly(arr): 9911986Sandreas.sandberg@arm.com arr.flags.writeable = False 10012391Sjason@lowepower.com for func, args in (m.mutate_data, ()), (m.mutate_data_t, ()), (m.mutate_at_t, (0, 0)): 10112037Sandreas.sandberg@arm.com with pytest.raises(ValueError) as excinfo: 10211986Sandreas.sandberg@arm.com func(arr, *args) 10311986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'array is not writeable' 10411986Sandreas.sandberg@arm.com 10511986Sandreas.sandberg@arm.com 10612391Sjason@lowepower.comdef test_mutate_data(arr): 10712391Sjason@lowepower.com assert all(m.mutate_data(arr).ravel() == [2, 4, 6, 8, 10, 12]) 10812391Sjason@lowepower.com assert all(m.mutate_data(arr).ravel() == [4, 8, 12, 16, 20, 24]) 10912391Sjason@lowepower.com assert all(m.mutate_data(arr, 1).ravel() == [4, 8, 12, 32, 40, 48]) 11012391Sjason@lowepower.com assert all(m.mutate_data(arr, 0, 1).ravel() == [4, 16, 24, 64, 80, 96]) 11112391Sjason@lowepower.com assert all(m.mutate_data(arr, 1, 2).ravel() == [4, 16, 24, 64, 80, 192]) 11211986Sandreas.sandberg@arm.com 11312391Sjason@lowepower.com assert all(m.mutate_data_t(arr).ravel() == [5, 17, 25, 65, 81, 193]) 11412391Sjason@lowepower.com assert all(m.mutate_data_t(arr).ravel() == [6, 18, 26, 66, 82, 194]) 11512391Sjason@lowepower.com assert all(m.mutate_data_t(arr, 1).ravel() == [6, 18, 26, 67, 83, 195]) 11612391Sjason@lowepower.com assert all(m.mutate_data_t(arr, 0, 1).ravel() == [6, 19, 27, 68, 84, 196]) 11712391Sjason@lowepower.com assert all(m.mutate_data_t(arr, 1, 2).ravel() == [6, 19, 27, 68, 84, 197]) 11811986Sandreas.sandberg@arm.com 11911986Sandreas.sandberg@arm.com 12011986Sandreas.sandberg@arm.comdef test_bounds_check(arr): 12112391Sjason@lowepower.com for func in (m.index_at, m.index_at_t, m.data, m.data_t, 12212391Sjason@lowepower.com m.mutate_data, m.mutate_data_t, m.at_t, m.mutate_at_t): 12311986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 12411986Sandreas.sandberg@arm.com func(arr, 2, 0) 12511986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'index 2 is out of bounds for axis 0 with size 2' 12611986Sandreas.sandberg@arm.com with pytest.raises(IndexError) as excinfo: 12711986Sandreas.sandberg@arm.com func(arr, 0, 4) 12811986Sandreas.sandberg@arm.com assert str(excinfo.value) == 'index 4 is out of bounds for axis 1 with size 3' 12911986Sandreas.sandberg@arm.com 13011986Sandreas.sandberg@arm.com 13111986Sandreas.sandberg@arm.comdef test_make_c_f_array(): 13212391Sjason@lowepower.com assert m.make_c_array().flags.c_contiguous 13312391Sjason@lowepower.com assert not m.make_c_array().flags.f_contiguous 13412391Sjason@lowepower.com assert m.make_f_array().flags.f_contiguous 13512391Sjason@lowepower.com assert not m.make_f_array().flags.c_contiguous 13611986Sandreas.sandberg@arm.com 13711986Sandreas.sandberg@arm.com 13811986Sandreas.sandberg@arm.comdef test_wrap(): 13912037Sandreas.sandberg@arm.com def assert_references(a, b, base=None): 14012037Sandreas.sandberg@arm.com if base is None: 14112037Sandreas.sandberg@arm.com base = a 14211986Sandreas.sandberg@arm.com assert a is not b 14311986Sandreas.sandberg@arm.com assert a.__array_interface__['data'][0] == b.__array_interface__['data'][0] 14411986Sandreas.sandberg@arm.com assert a.shape == b.shape 14511986Sandreas.sandberg@arm.com assert a.strides == b.strides 14611986Sandreas.sandberg@arm.com assert a.flags.c_contiguous == b.flags.c_contiguous 14711986Sandreas.sandberg@arm.com assert a.flags.f_contiguous == b.flags.f_contiguous 14811986Sandreas.sandberg@arm.com assert a.flags.writeable == b.flags.writeable 14911986Sandreas.sandberg@arm.com assert a.flags.aligned == b.flags.aligned 15011986Sandreas.sandberg@arm.com assert a.flags.updateifcopy == b.flags.updateifcopy 15111986Sandreas.sandberg@arm.com assert np.all(a == b) 15211986Sandreas.sandberg@arm.com assert not b.flags.owndata 15312037Sandreas.sandberg@arm.com assert b.base is base 15411986Sandreas.sandberg@arm.com if a.flags.writeable and a.ndim == 2: 15511986Sandreas.sandberg@arm.com a[0, 0] = 1234 15611986Sandreas.sandberg@arm.com assert b[0, 0] == 1234 15711986Sandreas.sandberg@arm.com 15811986Sandreas.sandberg@arm.com a1 = np.array([1, 2], dtype=np.int16) 15911986Sandreas.sandberg@arm.com assert a1.flags.owndata and a1.base is None 16012391Sjason@lowepower.com a2 = m.wrap(a1) 16111986Sandreas.sandberg@arm.com assert_references(a1, a2) 16211986Sandreas.sandberg@arm.com 16311986Sandreas.sandberg@arm.com a1 = np.array([[1, 2], [3, 4]], dtype=np.float32, order='F') 16411986Sandreas.sandberg@arm.com assert a1.flags.owndata and a1.base is None 16512391Sjason@lowepower.com a2 = m.wrap(a1) 16611986Sandreas.sandberg@arm.com assert_references(a1, a2) 16711986Sandreas.sandberg@arm.com 16811986Sandreas.sandberg@arm.com a1 = np.array([[1, 2], [3, 4]], dtype=np.float32, order='C') 16911986Sandreas.sandberg@arm.com a1.flags.writeable = False 17012391Sjason@lowepower.com a2 = m.wrap(a1) 17111986Sandreas.sandberg@arm.com assert_references(a1, a2) 17211986Sandreas.sandberg@arm.com 17311986Sandreas.sandberg@arm.com a1 = np.random.random((4, 4, 4)) 17412391Sjason@lowepower.com a2 = m.wrap(a1) 17511986Sandreas.sandberg@arm.com assert_references(a1, a2) 17611986Sandreas.sandberg@arm.com 17712037Sandreas.sandberg@arm.com a1t = a1.transpose() 17812391Sjason@lowepower.com a2 = m.wrap(a1t) 17912037Sandreas.sandberg@arm.com assert_references(a1t, a2, a1) 18011986Sandreas.sandberg@arm.com 18112037Sandreas.sandberg@arm.com a1d = a1.diagonal() 18212391Sjason@lowepower.com a2 = m.wrap(a1d) 18312037Sandreas.sandberg@arm.com assert_references(a1d, a2, a1) 18411986Sandreas.sandberg@arm.com 18512391Sjason@lowepower.com a1m = a1[::-1, ::-1, ::-1] 18612391Sjason@lowepower.com a2 = m.wrap(a1m) 18712391Sjason@lowepower.com assert_references(a1m, a2, a1) 18812391Sjason@lowepower.com 18911986Sandreas.sandberg@arm.com 19011986Sandreas.sandberg@arm.comdef test_numpy_view(capture): 19111986Sandreas.sandberg@arm.com with capture: 19212391Sjason@lowepower.com ac = m.ArrayClass() 19311986Sandreas.sandberg@arm.com ac_view_1 = ac.numpy_view() 19411986Sandreas.sandberg@arm.com ac_view_2 = ac.numpy_view() 19511986Sandreas.sandberg@arm.com assert np.all(ac_view_1 == np.array([1, 2], dtype=np.int32)) 19611986Sandreas.sandberg@arm.com del ac 19712037Sandreas.sandberg@arm.com pytest.gc_collect() 19811986Sandreas.sandberg@arm.com assert capture == """ 19911986Sandreas.sandberg@arm.com ArrayClass() 20011986Sandreas.sandberg@arm.com ArrayClass::numpy_view() 20111986Sandreas.sandberg@arm.com ArrayClass::numpy_view() 20211986Sandreas.sandberg@arm.com """ 20311986Sandreas.sandberg@arm.com ac_view_1[0] = 4 20411986Sandreas.sandberg@arm.com ac_view_1[1] = 3 20511986Sandreas.sandberg@arm.com assert ac_view_2[0] == 4 20611986Sandreas.sandberg@arm.com assert ac_view_2[1] == 3 20711986Sandreas.sandberg@arm.com with capture: 20811986Sandreas.sandberg@arm.com del ac_view_1 20911986Sandreas.sandberg@arm.com del ac_view_2 21012037Sandreas.sandberg@arm.com pytest.gc_collect() 21112037Sandreas.sandberg@arm.com pytest.gc_collect() 21211986Sandreas.sandberg@arm.com assert capture == """ 21311986Sandreas.sandberg@arm.com ~ArrayClass() 21411986Sandreas.sandberg@arm.com """ 21511986Sandreas.sandberg@arm.com 21611986Sandreas.sandberg@arm.com 21712037Sandreas.sandberg@arm.com@pytest.unsupported_on_pypy 21811986Sandreas.sandberg@arm.comdef test_cast_numpy_int64_to_uint64(): 21912391Sjason@lowepower.com m.function_taking_uint64(123) 22012391Sjason@lowepower.com m.function_taking_uint64(np.uint64(123)) 22111986Sandreas.sandberg@arm.com 22211986Sandreas.sandberg@arm.com 22311986Sandreas.sandberg@arm.comdef test_isinstance(): 22412391Sjason@lowepower.com assert m.isinstance_untyped(np.array([1, 2, 3]), "not an array") 22512391Sjason@lowepower.com assert m.isinstance_typed(np.array([1.0, 2.0, 3.0])) 22611986Sandreas.sandberg@arm.com 22711986Sandreas.sandberg@arm.com 22811986Sandreas.sandberg@arm.comdef test_constructors(): 22912391Sjason@lowepower.com defaults = m.default_constructors() 23011986Sandreas.sandberg@arm.com for a in defaults.values(): 23111986Sandreas.sandberg@arm.com assert a.size == 0 23211986Sandreas.sandberg@arm.com assert defaults["array"].dtype == np.array([]).dtype 23311986Sandreas.sandberg@arm.com assert defaults["array_t<int32>"].dtype == np.int32 23411986Sandreas.sandberg@arm.com assert defaults["array_t<double>"].dtype == np.float64 23511986Sandreas.sandberg@arm.com 23612391Sjason@lowepower.com results = m.converting_constructors([1, 2, 3]) 23711986Sandreas.sandberg@arm.com for a in results.values(): 23811986Sandreas.sandberg@arm.com np.testing.assert_array_equal(a, [1, 2, 3]) 23911986Sandreas.sandberg@arm.com assert results["array"].dtype == np.int_ 24011986Sandreas.sandberg@arm.com assert results["array_t<int32>"].dtype == np.int32 24111986Sandreas.sandberg@arm.com assert results["array_t<double>"].dtype == np.float64 24212037Sandreas.sandberg@arm.com 24312037Sandreas.sandberg@arm.com 24412037Sandreas.sandberg@arm.comdef test_overload_resolution(msg): 24512037Sandreas.sandberg@arm.com # Exact overload matches: 24612391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='float64')) == 'double' 24712391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='float32')) == 'float' 24812391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='ushort')) == 'unsigned short' 24912391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='intc')) == 'int' 25012391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='longlong')) == 'long long' 25112391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='complex')) == 'double complex' 25212391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='csingle')) == 'float complex' 25312037Sandreas.sandberg@arm.com 25412037Sandreas.sandberg@arm.com # No exact match, should call first convertible version: 25512391Sjason@lowepower.com assert m.overloaded(np.array([1], dtype='uint8')) == 'double' 25612037Sandreas.sandberg@arm.com 25712037Sandreas.sandberg@arm.com with pytest.raises(TypeError) as excinfo: 25812391Sjason@lowepower.com m.overloaded("not an array") 25912037Sandreas.sandberg@arm.com assert msg(excinfo.value) == """ 26012037Sandreas.sandberg@arm.com overloaded(): incompatible function arguments. The following argument types are supported: 26112037Sandreas.sandberg@arm.com 1. (arg0: numpy.ndarray[float64]) -> str 26212037Sandreas.sandberg@arm.com 2. (arg0: numpy.ndarray[float32]) -> str 26312037Sandreas.sandberg@arm.com 3. (arg0: numpy.ndarray[int32]) -> str 26412037Sandreas.sandberg@arm.com 4. (arg0: numpy.ndarray[uint16]) -> str 26512037Sandreas.sandberg@arm.com 5. (arg0: numpy.ndarray[int64]) -> str 26612037Sandreas.sandberg@arm.com 6. (arg0: numpy.ndarray[complex128]) -> str 26712037Sandreas.sandberg@arm.com 7. (arg0: numpy.ndarray[complex64]) -> str 26812037Sandreas.sandberg@arm.com 26912037Sandreas.sandberg@arm.com Invoked with: 'not an array' 27012037Sandreas.sandberg@arm.com """ 27112037Sandreas.sandberg@arm.com 27212391Sjason@lowepower.com assert m.overloaded2(np.array([1], dtype='float64')) == 'double' 27312391Sjason@lowepower.com assert m.overloaded2(np.array([1], dtype='float32')) == 'float' 27412391Sjason@lowepower.com assert m.overloaded2(np.array([1], dtype='complex64')) == 'float complex' 27512391Sjason@lowepower.com assert m.overloaded2(np.array([1], dtype='complex128')) == 'double complex' 27612391Sjason@lowepower.com assert m.overloaded2(np.array([1], dtype='float32')) == 'float' 27712037Sandreas.sandberg@arm.com 27812391Sjason@lowepower.com assert m.overloaded3(np.array([1], dtype='float64')) == 'double' 27912391Sjason@lowepower.com assert m.overloaded3(np.array([1], dtype='intc')) == 'int' 28012037Sandreas.sandberg@arm.com expected_exc = """ 28112037Sandreas.sandberg@arm.com overloaded3(): incompatible function arguments. The following argument types are supported: 28212037Sandreas.sandberg@arm.com 1. (arg0: numpy.ndarray[int32]) -> str 28312037Sandreas.sandberg@arm.com 2. (arg0: numpy.ndarray[float64]) -> str 28412037Sandreas.sandberg@arm.com 28512037Sandreas.sandberg@arm.com Invoked with:""" 28612037Sandreas.sandberg@arm.com 28712037Sandreas.sandberg@arm.com with pytest.raises(TypeError) as excinfo: 28812391Sjason@lowepower.com m.overloaded3(np.array([1], dtype='uintc')) 28912037Sandreas.sandberg@arm.com assert msg(excinfo.value) == expected_exc + " array([1], dtype=uint32)" 29012037Sandreas.sandberg@arm.com with pytest.raises(TypeError) as excinfo: 29112391Sjason@lowepower.com m.overloaded3(np.array([1], dtype='float32')) 29212037Sandreas.sandberg@arm.com assert msg(excinfo.value) == expected_exc + " array([ 1.], dtype=float32)" 29312037Sandreas.sandberg@arm.com with pytest.raises(TypeError) as excinfo: 29412391Sjason@lowepower.com m.overloaded3(np.array([1], dtype='complex')) 29512037Sandreas.sandberg@arm.com assert msg(excinfo.value) == expected_exc + " array([ 1.+0.j])" 29612037Sandreas.sandberg@arm.com 29712037Sandreas.sandberg@arm.com # Exact matches: 29812391Sjason@lowepower.com assert m.overloaded4(np.array([1], dtype='double')) == 'double' 29912391Sjason@lowepower.com assert m.overloaded4(np.array([1], dtype='longlong')) == 'long long' 30012037Sandreas.sandberg@arm.com # Non-exact matches requiring conversion. Since float to integer isn't a 30112037Sandreas.sandberg@arm.com # save conversion, it should go to the double overload, but short can go to 30212037Sandreas.sandberg@arm.com # either (and so should end up on the first-registered, the long long). 30312391Sjason@lowepower.com assert m.overloaded4(np.array([1], dtype='float32')) == 'double' 30412391Sjason@lowepower.com assert m.overloaded4(np.array([1], dtype='short')) == 'long long' 30512037Sandreas.sandberg@arm.com 30612391Sjason@lowepower.com assert m.overloaded5(np.array([1], dtype='double')) == 'double' 30712391Sjason@lowepower.com assert m.overloaded5(np.array([1], dtype='uintc')) == 'unsigned int' 30812391Sjason@lowepower.com assert m.overloaded5(np.array([1], dtype='float32')) == 'unsigned int' 30912037Sandreas.sandberg@arm.com 31012037Sandreas.sandberg@arm.com 31112391Sjason@lowepower.comdef test_greedy_string_overload(): 31212391Sjason@lowepower.com """Tests fix for #685 - ndarray shouldn't go to std::string overload""" 31312037Sandreas.sandberg@arm.com 31412391Sjason@lowepower.com assert m.issue685("abc") == "string" 31512391Sjason@lowepower.com assert m.issue685(np.array([97, 98, 99], dtype='b')) == "array" 31612391Sjason@lowepower.com assert m.issue685(123) == "other" 31712037Sandreas.sandberg@arm.com 31812037Sandreas.sandberg@arm.com 31912037Sandreas.sandberg@arm.comdef test_array_unchecked_fixed_dims(msg): 32012037Sandreas.sandberg@arm.com z1 = np.array([[1, 2], [3, 4]], dtype='float64') 32112391Sjason@lowepower.com m.proxy_add2(z1, 10) 32212037Sandreas.sandberg@arm.com assert np.all(z1 == [[11, 12], [13, 14]]) 32312037Sandreas.sandberg@arm.com 32412037Sandreas.sandberg@arm.com with pytest.raises(ValueError) as excinfo: 32512391Sjason@lowepower.com m.proxy_add2(np.array([1., 2, 3]), 5.0) 32612037Sandreas.sandberg@arm.com assert msg(excinfo.value) == "array has incorrect number of dimensions: 1; expected 2" 32712037Sandreas.sandberg@arm.com 32812037Sandreas.sandberg@arm.com expect_c = np.ndarray(shape=(3, 3, 3), buffer=np.array(range(3, 30)), dtype='int') 32912391Sjason@lowepower.com assert np.all(m.proxy_init3(3.0) == expect_c) 33012037Sandreas.sandberg@arm.com expect_f = np.transpose(expect_c) 33112391Sjason@lowepower.com assert np.all(m.proxy_init3F(3.0) == expect_f) 33212037Sandreas.sandberg@arm.com 33312391Sjason@lowepower.com assert m.proxy_squared_L2_norm(np.array(range(6))) == 55 33412391Sjason@lowepower.com assert m.proxy_squared_L2_norm(np.array(range(6), dtype="float64")) == 55 33512037Sandreas.sandberg@arm.com 33612391Sjason@lowepower.com assert m.proxy_auxiliaries2(z1) == [11, 11, True, 2, 8, 2, 2, 4, 32] 33712391Sjason@lowepower.com assert m.proxy_auxiliaries2(z1) == m.array_auxiliaries2(z1) 33812037Sandreas.sandberg@arm.com 33912037Sandreas.sandberg@arm.com 34012037Sandreas.sandberg@arm.comdef test_array_unchecked_dyn_dims(msg): 34112037Sandreas.sandberg@arm.com z1 = np.array([[1, 2], [3, 4]], dtype='float64') 34212391Sjason@lowepower.com m.proxy_add2_dyn(z1, 10) 34312037Sandreas.sandberg@arm.com assert np.all(z1 == [[11, 12], [13, 14]]) 34412037Sandreas.sandberg@arm.com 34512037Sandreas.sandberg@arm.com expect_c = np.ndarray(shape=(3, 3, 3), buffer=np.array(range(3, 30)), dtype='int') 34612391Sjason@lowepower.com assert np.all(m.proxy_init3_dyn(3.0) == expect_c) 34712037Sandreas.sandberg@arm.com 34812391Sjason@lowepower.com assert m.proxy_auxiliaries2_dyn(z1) == [11, 11, True, 2, 8, 2, 2, 4, 32] 34912391Sjason@lowepower.com assert m.proxy_auxiliaries2_dyn(z1) == m.array_auxiliaries2(z1) 35012391Sjason@lowepower.com 35112391Sjason@lowepower.com 35212391Sjason@lowepower.comdef test_array_failure(): 35312391Sjason@lowepower.com with pytest.raises(ValueError) as excinfo: 35412391Sjason@lowepower.com m.array_fail_test() 35512391Sjason@lowepower.com assert str(excinfo.value) == 'cannot create a pybind11::array from a nullptr' 35612391Sjason@lowepower.com 35712391Sjason@lowepower.com with pytest.raises(ValueError) as excinfo: 35812391Sjason@lowepower.com m.array_t_fail_test() 35912391Sjason@lowepower.com assert str(excinfo.value) == 'cannot create a pybind11::array_t from a nullptr' 36012391Sjason@lowepower.com 36112391Sjason@lowepower.com with pytest.raises(ValueError) as excinfo: 36212391Sjason@lowepower.com m.array_fail_test_negative_size() 36312391Sjason@lowepower.com assert str(excinfo.value) == 'negative dimensions are not allowed' 36412391Sjason@lowepower.com 36512391Sjason@lowepower.com 36612391Sjason@lowepower.comdef test_initializer_list(): 36712391Sjason@lowepower.com assert m.array_initializer_list1().shape == (1,) 36812391Sjason@lowepower.com assert m.array_initializer_list2().shape == (1, 2) 36912391Sjason@lowepower.com assert m.array_initializer_list3().shape == (1, 2, 3) 37012391Sjason@lowepower.com assert m.array_initializer_list4().shape == (1, 2, 3, 4) 37112391Sjason@lowepower.com 37212391Sjason@lowepower.com 37312391Sjason@lowepower.comdef test_array_resize(msg): 37412391Sjason@lowepower.com a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9], dtype='float64') 37512391Sjason@lowepower.com m.array_reshape2(a) 37612391Sjason@lowepower.com assert(a.size == 9) 37712391Sjason@lowepower.com assert(np.all(a == [[1, 2, 3], [4, 5, 6], [7, 8, 9]])) 37812391Sjason@lowepower.com 37912391Sjason@lowepower.com # total size change should succced with refcheck off 38012391Sjason@lowepower.com m.array_resize3(a, 4, False) 38112391Sjason@lowepower.com assert(a.size == 64) 38212391Sjason@lowepower.com # ... and fail with refcheck on 38312391Sjason@lowepower.com try: 38412391Sjason@lowepower.com m.array_resize3(a, 3, True) 38512391Sjason@lowepower.com except ValueError as e: 38612391Sjason@lowepower.com assert(str(e).startswith("cannot resize an array")) 38712391Sjason@lowepower.com # transposed array doesn't own data 38812391Sjason@lowepower.com b = a.transpose() 38912391Sjason@lowepower.com try: 39012391Sjason@lowepower.com m.array_resize3(b, 3, False) 39112391Sjason@lowepower.com except ValueError as e: 39212391Sjason@lowepower.com assert(str(e).startswith("cannot resize this array: it does not own its data")) 39312391Sjason@lowepower.com # ... but reshape should be fine 39412391Sjason@lowepower.com m.array_reshape2(b) 39512391Sjason@lowepower.com assert(b.shape == (8, 8)) 39612391Sjason@lowepower.com 39712391Sjason@lowepower.com 39812391Sjason@lowepower.com@pytest.unsupported_on_pypy 39912391Sjason@lowepower.comdef test_array_create_and_resize(msg): 40012391Sjason@lowepower.com a = m.create_and_resize(2) 40112391Sjason@lowepower.com assert(a.size == 4) 40212391Sjason@lowepower.com assert(np.all(a == 42.)) 403