From 49b8094f2a13aafbce96f034b5a5f8576328c211 Mon Sep 17 00:00:00 2001
From: MiftariB <miftaribard@gmail.com>
Date: Tue, 8 Oct 2024 14:36:58 +0200
Subject: [PATCH] getting dual in clp
---
src/gboml/solver_api/clp_solver.py | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/src/gboml/solver_api/clp_solver.py b/src/gboml/solver_api/clp_solver.py
index 859c944..7f244ec 100644
--- a/src/gboml/solver_api/clp_solver.py
+++ b/src/gboml/solver_api/clp_solver.py
@@ -138,9 +138,10 @@ def clp_solver(matrix_a_eq: coo_matrix, vector_b_eq: np.ndarray,
status = "optimal"
solution = solver.primalVariableSolution['variables']
if details:
- dual = solver.dualVariableSolution['variables']
- constraints_additional_info_ineq["dual"] = dual[:matrix_a_ineq.shape[0]].tolist()
- constraints_additional_info_eq["dual"] = dual[matrix_a_ineq.shape[0]:].tolist()
+ dual = solver.dualConstraintSolution
+ dual_keys = list(dual.keys())
+ constraints_additional_info_ineq["dual"] = dual[dual_keys[0]].tolist()
+ constraints_additional_info_eq["dual"] = dual[dual_keys[1]].tolist()
# if we added an additional variable artificially
# we remove it
--
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