Merge pull request #3919 from blnicho/add-neos-solvers

Add NEOS solvers

Author: blnicho

pyomo/neos/__init__.py

@@ -18,8 +18,10 @@
     'conopt': 'Feasible path NLP solver',
     'couenne': 'Deterministic global MINLP solver',
     'cplex': 'MILP solver',
+    'fico-xpress': 'MILP solver',
     'filmint': 'Deterministic local MINLP solver',
     'filter': 'SQP NLP solver',
+    'highs': 'MILP solver',
     'ipopt': 'Interior point NLP solver',
     'knitro': 'Convex NLP/MINLP solver',
     'l-bfgs-b': 'Bound-constrained NLP solver',
@@ -30,9 +32,10 @@
     'minos': 'NLP solver',
     'minto': 'MILP solver',
     'mosek': 'Interior point NLP solver',
-    # 'octeract': 'Deterministic global MINLP solver',
+    'octeract': 'Deterministic global MINLP solver',
     'ooqp': 'Convex QP solver',
     'path': 'Nonlinear MCP solver',
     'raposa': 'A Global Solver for Polynomial Programming Problems',
+    'scip': 'Deterministic global MINLP solver',
     'snopt': 'SQP NLP solver',
 }

pyomo/neos/tests/test_neos.py

@@ -229,12 +229,18 @@ def test_couenne(self):
     def test_cplex(self):
         self._run('cplex')
 
+    def test_ficoxpress(self):
+        self._run('fico-xpress')
+
     def test_filmint(self):
         self._run('filmint')
 
     def test_filter(self):
         self._run('filter')
 
+    def test_highs(self):
+        self._run('highs')
+
     def test_ipopt(self):
         self._run('ipopt')
 
@@ -248,6 +254,9 @@ def test_lbfgsb(self):
     def test_lancelot(self):
         self._run('lancelot')
 
+    def test_lgo(self):
+        self._run('lgo')
+
     def test_loqo(self):
         self._run('loqo')
 
@@ -268,9 +277,9 @@ def test_mosek(self):
     # [20 Sep 24]: and appears to have been removed from NEOS
     # [24 Apr 25]: it appears to be there but causes timeouts
     # [29 Apr 25]: JK, it has been removed again
-    # def test_octeract(self):
-    #     pass
-    #     self._run('octeract')
+    # [21 Apr 26]: it is ALIVE again
+    def test_octeract(self):
+        self._run('octeract')
 
     def test_ooqp(self):
         if self.sense == pyo.maximize:
@@ -285,14 +294,14 @@ def test_path(self):
         # The simple tests aren't complementarity problems
         self.skipTest("The simple NEOS test is not a complementarity problem")
 
-    def test_snopt(self):
-        self._run('snopt')
-
     def test_raposa(self):
         self._run('raposa')
 
-    def test_lgo(self):
-        self._run('lgo')
+    def test_scip(self):
+        self._run('scip')
+
+    def test_snopt(self):
+        self._run('snopt')
 
 
 class DirectDriver: