From 5e198f4119097b8718baae4f37ca9768ce159753 Mon Sep 17 00:00:00 2001
From: Arie Gurfinkel <arie.gurfinkel@uwaterloo.ca>
Date: Tue, 12 Jun 2018 13:28:49 -0700
Subject: [PATCH] Fix clang compilation issues

---
 src/qe/qe_mbp.h | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/qe/qe_mbp.h b/src/qe/qe_mbp.h
index c35351fb3..0bb8ba00f 100644
--- a/src/qe/qe_mbp.h
+++ b/src/qe/qe_mbp.h
@@ -33,7 +33,7 @@ namespace qe {
 
     struct def {
         expr_ref var, term;
-        def(expr_ref& v, expr_ref& t): var(v), term(t) {}
+        def(const expr_ref& v, expr_ref& t): var(v), term(t) {}
     };
 
     class project_plugin {
@@ -69,17 +69,17 @@ namespace qe {
         impl * m_impl;
     public:
         mbp(ast_manager& m, params_ref const& p = params_ref());
-        
+
         ~mbp();
 
         void updt_params(params_ref const& p);
-        
+
         static void get_param_descrs(param_descrs & r);
-        
+
         /**
            \brief
-           Apply model-based qe on constants provided as vector of variables. 
-           Return the updated formula and updated set of variables that were not eliminated.           
+           Apply model-based qe on constants provided as vector of variables.
+           Return the updated formula and updated set of variables that were not eliminated.
         */
         void operator()(bool force_elim, app_ref_vector& vars, model& mdl, expr_ref_vector& fmls);
 
@@ -90,13 +90,13 @@ namespace qe {
         void solve(model& model, app_ref_vector& vars, expr_ref_vector& lits);
 
         /**
-           \brief 
+           \brief
            Extract literals from formulas based on model.
          */
         void extract_literals(model& model, expr_ref_vector& lits);
 
         /**
-           \brief 
+           \brief
            Maximize objective t under current model for constraints in fmls.
          */
         opt::inf_eps maximize(expr_ref_vector const& fmls, model& mdl, app* t, expr_ref& ge, expr_ref& gt);
@@ -105,11 +105,11 @@ namespace qe {
            \brief
            Apply spacer friendly MBP.
            Use parameters to control behavior.
-           - reduce_all_selects (false) 
-           - dont_sub (false) 
+           - reduce_all_selects (false)
+           - dont_sub (false)
         */
         void spacer(app_ref_vector& vars, model& mdl, expr_ref& fml);
     };
 }
 
-#endif 
+#endif