fix: revert over-aggressive slicot→ctrlsys renames in tests

- eig_slicot/eigs_slicot are variable names, not module refs
- _slicot is the C extension module name (unchanged)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: jamestjsp

tests/python/test_mb03bd.py

@@ -369,9 +369,9 @@ def test_mb03bd_negative_signature():
     eig_slicot = []
     for i in range(n):
         if beta[i] != 0:
-            eig_ctrlsys.append((alphar[i] + 1j * alphai[i]) / beta[i] * (base ** scal[i]))
+            eig_slicot.append((alphar[i] + 1j * alphai[i]) / beta[i] * (base ** scal[i]))
         else:
-            eig_ctrlsys.append(np.inf)
+            eig_slicot.append(np.inf)
     eig_slicot = np.array(eig_slicot)
 
     # Sort and compare

tests/python/test_mb04nd.py

@@ -78,7 +78,7 @@ def test_mb04nd_basic_full():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     assert np.all(np.isfinite(r_work))
@@ -115,7 +115,7 @@ def test_mb04nd_upper_triangular():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('U', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('U', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     for i in range(n):
@@ -146,7 +146,7 @@ def test_mb04nd_orthogonality():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     q = np.eye(n + p, dtype=float)
     for i in range(n - 1, -1, -1):
@@ -189,7 +189,7 @@ def test_mb04nd_n_zero():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == 0
     np.testing.assert_array_equal(c_work, c_orig)
@@ -218,7 +218,7 @@ def test_mb04nd_p_zero():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     np.testing.assert_array_equal(r_work, r_orig)
@@ -248,7 +248,7 @@ def test_mb04nd_m_zero():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     for i in range(n):
@@ -278,7 +278,7 @@ def test_mb04nd_large_matrix():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('F', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     for i in range(n):
@@ -313,7 +313,7 @@ def test_mb04nd_n_greater_p():
 
     from ctrlsys import _slicot
 
-    tau = _ctrlsys.mb04nd('U', n, m, p, r_work, a_work, b_work, c_work)
+    tau = _slicot.mb04nd('U', n, m, p, r_work, a_work, b_work, c_work)
 
     assert len(tau) == n
     for i in range(n):

tests/python/test_mb04ny.py

@@ -78,7 +78,7 @@ def test_mb04ny_basic_2x2():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)
@@ -106,7 +106,7 @@ def test_mb04ny_3x3():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)
@@ -134,7 +134,7 @@ def test_mb04ny_5x5():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-13)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-13)
@@ -162,7 +162,7 @@ def test_mb04ny_10x10():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-12)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-12)
@@ -190,7 +190,7 @@ def test_mb04ny_large_general():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-13)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-13)
@@ -219,7 +219,7 @@ def test_mb04ny_tau_zero():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)
@@ -262,7 +262,7 @@ def test_mb04ny_m_zero():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     assert a_out.shape == (0, 1)
     assert b_out.shape == (0, n)
@@ -290,7 +290,7 @@ def test_mb04ny_n_zero():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     assert b_out.shape == (m, 0)
@@ -319,7 +319,7 @@ def test_mb04ny_incv_positive():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)
@@ -346,7 +346,7 @@ def test_mb04ny_incv_negative():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)
@@ -373,7 +373,7 @@ def test_mb04ny_single_row():
 
     a_out = a.copy(order='F')
     b_out = b.copy(order='F')
-    _ctrlsys.mb04ny(m, n, v, incv, tau, a_out, b_out)
+    _slicot.mb04ny(m, n, v, incv, tau, a_out, b_out)
 
     np.testing.assert_allclose(a_out, a_expected, rtol=1e-14)
     np.testing.assert_allclose(b_out, b_expected, rtol=1e-14)

tests/python/test_sg03ad.py

@@ -384,7 +384,7 @@ def test_eigenvalue_computation():
     for i in range(n):
         if abs(beta[i]) > 1e-14:
             eig = (alphar[i] + 1j * alphai[i]) / beta[i]
-            eigs_ctrlsys.append(eig)
+            eigs_slicot.append(eig)
 
     eigs_slicot_remaining = list(eigs_slicot)
     for e1 in eigs_numpy: