Jun 21, 2023 · May 15, 2023 · May 15, 2023 · May 15, 2023 · May 17, 2023 · May 17, 2023
diff --git a/numpy/core/src/multiarray/getset.c b/numpy/core/src/multiarray/getset.c
    return PyArray_Transpose(self, NULL);
 }

 static PyObject *
 array_matrix_transpose_get(PyArrayObject *self, void *NPY_UNUSED(ignored))
 {
    int ndim = PyArray_NDIM(self);
    return PyArray_SwapAxes(self, ndim - 2, ndim - 1);
 }

 NPY_NO_EXPORT PyGetSetDef array_getsetlist[] = {
    {"ndim",
        (getter)array_ndim_get,
        (getter)array_transpose_get,
        NULL,
        NULL, NULL},
    {"mT",
        (getter)array_matrix_transpose_get,
        NULL,
        NULL, NULL},
    {"__array_interface__",
        (getter)array_interface_get,
        NULL,
diff --git a/numpy/core/tests/test_matrix_transpose.py b/numpy/core/tests/test_matrix_transpose.py
 import pytest
 from hypothesis import given
 from hypothesis.extra.numpy import array_shapes

 import numpy as np
 from numpy.testing import assert_array_equal


 def test_matrix_transpose_equals_transpose_1d():
    arr = np.arange(48)
    assert_array_equal(arr.T, arr.mT)


 def test_matrix_transpose_equals_transpose_2d():
    arr = np.arange(48).reshape((6, 8))
    assert_array_equal(arr.T, arr.mT)


 @given(shape=array_shapes(max_dims=7))
 def test_matrix_transpose_equals_swapaxes(shape):
    num_of_axes = len(shape)
    total_elements = np.prod(shape)
    arr = np.arange(total_elements).reshape(shape)
    tgt = np.swapaxes(arr, num_of_axes - 2, num_of_axes - 1)
    mT = arr.mT
    assert_array_equal(tgt, mT)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -931,6 +931,13 @@ array_transpose_get(PyArrayObject self, void NPY_UNUSED(ignored))
		return PyArray_Transpose(self, NULL);
		}

		static PyObject *
		array_matrix_transpose_get(PyArrayObject self, void NPY_UNUSED(ignored))
		{
		int ndim = PyArray_NDIM(self);
		return PyArray_SwapAxes(self, ndim - 2, ndim - 1);
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		}

		NPY_NO_EXPORT PyGetSetDef array_getsetlist[] = {
		{"ndim",
		(getter)array_ndim_get,
Expand DownExpand Up		@@ -992,6 +999,10 @@ NPY_NO_EXPORT PyGetSetDef array_getsetlist[] = {
		(getter)array_transpose_get,
		NULL,
		NULL, NULL},
		{"mT",
		(getter)array_matrix_transpose_get,
		NULL,
		NULL, NULL},
		{"__array_interface__",
		(getter)array_interface_get,
		NULL,
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,26 @@
		import pytest
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		from hypothesis import given
		from hypothesis.extra.numpy import array_shapes

		import numpy as np
		from numpy.testing import assert_array_equal


		def test_matrix_transpose_equals_transpose_1d():
		arr = np.arange(48)
		assert_array_equal(arr.T, arr.mT)


		def test_matrix_transpose_equals_transpose_2d():
		arr = np.arange(48).reshape((6, 8))
		assert_array_equal(arr.T, arr.mT)


		@given(shape=array_shapes(max_dims=7))
		def test_matrix_transpose_equals_swapaxes(shape):
		num_of_axes = len(shape)
		total_elements = np.prod(shape)
		arr = np.arange(total_elements).reshape(shape)
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		tgt = np.swapaxes(arr, num_of_axes - 2, num_of_axes - 1)
		mT = arr.mT
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		assert_array_equal(tgt, mT)