From 6c8927a6599772f52cf305e7c4acd9f0b3e8760e Mon Sep 17 00:00:00 2001
From: ZedongPeng <peng_zedong@126.com>
Date: Sat, 18 May 2024 16:59:06 -0400
Subject: [PATCH] update constraint tolerance

---
 pyomo/contrib/mindtpy/cut_generation.py |  4 ++--
 pyomo/contrib/mindtpy/single_tree.py    |  4 ++--
 pyomo/contrib/mindtpy/util.py           | 14 +++++++-------
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/pyomo/contrib/mindtpy/cut_generation.py b/pyomo/contrib/mindtpy/cut_generation.py
index e932755e9fd..aa7894eab18 100644
--- a/pyomo/contrib/mindtpy/cut_generation.py
+++ b/pyomo/contrib/mindtpy/cut_generation.py
@@ -109,7 +109,7 @@ def add_oa_cuts(
                     constr.has_ub()
                     and (
                         linearize_active
-                        and abs(constr.uslack()) < config.zero_tolerance
+                        and abs(constr.uslack()) < config.constraint_tolerance
                     )
                     or (linearize_violated and constr.uslack() < 0)
                     or (config.linearize_inactive and constr.uslack() > 0)
@@ -147,7 +147,7 @@ def add_oa_cuts(
                     constr.has_lb()
                     and (
                         linearize_active
-                        and abs(constr.lslack()) < config.zero_tolerance
+                        and abs(constr.lslack()) < config.constraint_tolerance
                     )
                     or (linearize_violated and constr.lslack() < 0)
                     or (config.linearize_inactive and constr.lslack() > 0)
diff --git a/pyomo/contrib/mindtpy/single_tree.py b/pyomo/contrib/mindtpy/single_tree.py
index 05ba6bbee86..be5c5cdbff7 100644
--- a/pyomo/contrib/mindtpy/single_tree.py
+++ b/pyomo/contrib/mindtpy/single_tree.py
@@ -162,7 +162,7 @@ def add_lazy_oa_cuts(
                         constr.has_ub()
                         and (
                             linearize_active
-                            and abs(constr.uslack()) < config.zero_tolerance
+                            and abs(constr.uslack()) < config.constraint_tolerance
                         )
                         or (linearize_violated and constr.uslack() < 0)
                         or (config.linearize_inactive and constr.uslack() > 0)
@@ -201,7 +201,7 @@ def add_lazy_oa_cuts(
                         constr.has_lb()
                         and (
                             linearize_active
-                            and abs(constr.lslack()) < config.zero_tolerance
+                            and abs(constr.lslack()) < config.constraint_tolerance
                         )
                         or (linearize_violated and constr.lslack() < 0)
                         or (config.linearize_inactive and constr.lslack() > 0)
diff --git a/pyomo/contrib/mindtpy/util.py b/pyomo/contrib/mindtpy/util.py
index 1543497838f..154b5905f64 100644
--- a/pyomo/contrib/mindtpy/util.py
+++ b/pyomo/contrib/mindtpy/util.py
@@ -581,11 +581,11 @@ def set_solver_constraint_violation_tolerance(
         The specific configurations for MindtPy.
     """
     if solver_name == 'baron':
-        opt.options['AbsConFeasTol'] = config.zero_tolerance
+        opt.options['AbsConFeasTol'] = config.constraint_tolerance
     elif solver_name in {'ipopt', 'appsi_ipopt'}:
-        opt.options['constr_viol_tol'] = config.zero_tolerance
+        opt.options['constr_viol_tol'] = config.constraint_tolerance
     elif solver_name == 'cyipopt':
-        opt.config.options['constr_viol_tol'] = config.zero_tolerance
+        opt.config.options['constr_viol_tol'] = config.constraint_tolerance
     elif solver_name == 'gams':
         if config.nlp_solver_args['solver'] in {
             'ipopt',
@@ -600,7 +600,7 @@ def set_solver_constraint_violation_tolerance(
             )
             if config.nlp_solver_args['solver'] in {'ipopt', 'ipopth'}:
                 opt.options['add_options'].append(
-                    'constr_viol_tol ' + str(config.zero_tolerance)
+                    'constr_viol_tol ' + str(config.constraint_tolerance)
                 )
                 if warm_start:
                     # Ipopt warmstart options
@@ -614,15 +614,15 @@ def set_solver_constraint_violation_tolerance(
                     )
             elif config.nlp_solver_args['solver'] == 'conopt':
                 opt.options['add_options'].append(
-                    'RTNWMA ' + str(config.zero_tolerance)
+                    'RTNWMA ' + str(config.constraint_tolerance)
                 )
             elif config.nlp_solver_args['solver'] == 'msnlp':
                 opt.options['add_options'].append(
-                    'feasibility_tolerance ' + str(config.zero_tolerance)
+                    'feasibility_tolerance ' + str(config.constraint_tolerance)
                 )
             elif config.nlp_solver_args['solver'] == 'baron':
                 opt.options['add_options'].append(
-                    'AbsConFeasTol ' + str(config.zero_tolerance)
+                    'AbsConFeasTol ' + str(config.constraint_tolerance)
                 )
             opt.options['add_options'].append('$offecho')