def test_to_python(): mat = m.Matrix(5, 4) assert memoryview(mat).shape == (5, 4) assert mat[2, 3] == 0 mat[2, 3] = 4.0 mat[3, 2] = 7.0 assert mat[2, 3] == 4 assert mat[3, 2] == 7 assert struct.unpack_from("f", mat, (3 * 4 + 2) * 4) == (7, ) assert struct.unpack_from("f", mat, (2 * 4 + 3) * 4) == (4, ) mat2 = np.array(mat, copy=False) assert mat2.shape == (5, 4) assert abs(mat2).sum() == 11 assert mat2[2, 3] == 4 and mat2[3, 2] == 7 mat2[2, 3] = 5 assert mat2[2, 3] == 5 cstats = ConstructorStats.get(m.Matrix) assert cstats.alive() == 1 del mat pytest.gc_collect() assert cstats.alive() == 1 del mat2 # holds a mat reference pytest.gc_collect() assert cstats.alive() == 0 assert cstats.values() == ["5x4 matrix"] assert cstats.copy_constructions == 0 # assert cstats.move_constructions >= 0 # Don't invoke any assert cstats.copy_assignments == 0 assert cstats.move_assignments == 0
def test_to_python(): mat = m.Matrix(5, 5) assert memoryview(mat).shape == (5, 5) assert mat[2, 3] == 0 mat[2, 3] = 4 assert mat[2, 3] == 4 mat2 = np.array(mat, copy=False) assert mat2.shape == (5, 5) assert abs(mat2).sum() == 4 assert mat2[2, 3] == 4 mat2[2, 3] = 5 assert mat2[2, 3] == 5 cstats = ConstructorStats.get(m.Matrix) assert cstats.alive() == 1 del mat pytest.gc_collect() assert cstats.alive() == 1 del mat2 # holds a mat reference pytest.gc_collect() assert cstats.alive() == 0 assert cstats.values() == ["5x5 matrix"] assert cstats.copy_constructions == 0 # assert cstats.move_constructions >= 0 # Don't invoke any assert cstats.copy_assignments == 0 assert cstats.move_assignments == 0
def test_from_python(): with pytest.raises(RuntimeError) as excinfo: m.Matrix(np.array([1, 2, 3])) # trying to assign a 1D array assert str(excinfo.value) == "Incompatible buffer format!" m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32) m4 = m.Matrix(m3) for i in range(m4.rows()): for j in range(m4.cols()): assert m3[i, j] == m4[i, j] cstats = ConstructorStats.get(m.Matrix) assert cstats.alive() == 1 del m3, m4 assert cstats.alive() == 0 assert cstats.values() == ["2x3 matrix"] assert cstats.copy_constructions == 0 # assert cstats.move_constructions >= 0 # Don't invoke any assert cstats.copy_assignments == 0 assert cstats.move_assignments == 0