reconnect moved files to git repo

venv/lib/python3.11/site-packages/statsmodels/tools/tests/test_linalg.py

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+from statsmodels.tools import linalg
+import numpy as np
+from numpy.testing import assert_allclose
+from scipy.linalg import toeplitz
+
+
+def test_stationary_solve_1d():
+    b = np.random.uniform(size=10)
+    r = np.random.uniform(size=9)
+    t = np.concatenate((np.r_[1], r))
+    tmat = toeplitz(t)
+    soln = np.linalg.solve(tmat, b)
+    soln1 = linalg.stationary_solve(r, b)
+    assert_allclose(soln, soln1, rtol=1e-5, atol=1e-5)
+
+
+def test_stationary_solve_2d():
+    b = np.random.uniform(size=(10, 2))
+    r = np.random.uniform(size=9)
+    t = np.concatenate((np.r_[1], r))
+    tmat = toeplitz(t)
+    soln = np.linalg.solve(tmat, b)
+    soln1 = linalg.stationary_solve(r, b)
+    assert_allclose(soln, soln1, rtol=1e-5, atol=1e-5)