🐛 Cast quadratic coefficients to floats explicitly

flexciton · May 27, 2020 · 707babd · 707babd
1 parent 12af4c4
commit 707babd
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pyomo/solvers/plugins/solvers/cplex_direct.py b/pyomo/solvers/plugins/solvers/cplex_direct.py
@@ -51,7 +51,7 @@ def __init__(
         self.offset = offset or 0.0
         self.q_variables1 = q_variables1 or []
         self.q_variables2 = q_variables2 or []
-        self.q_coefficients = q_coefficients or []
+        self.q_coefficients = [float(coef) for coef in q_coefficients or []]
 
 
 def _is_numeric(x):
@@ -584,7 +584,7 @@ def _set_objective(self, obj):
                 self._solver_model.objective.set_linear(list(zip(cplex_expr.variables, cplex_expr.coefficients)))
 
         if quadratic_objective_already_exists or contains_quadratic_terms:
-            self._solver_model.objective.set_quadratic([0] * num_cols)
+            self._solver_model.objective.set_quadratic([0.0] * num_cols)
 
             if contains_quadratic_terms:
                 self._solver_model.objective.set_quadratic_coefficients(