Backend: only pass suffixes when available

ampl · Feb 21, 2024 · 88f992d · 88f992d
1 parent 99337d4
commit 88f992d
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 6 deletions.
diff --git a/include/mp/backend-mip.h b/include/mp/backend-mip.h
@@ -204,8 +204,10 @@ class MIPBackend : public BaseBackend
     if (lazy_user_cuts())
       InputLazyUserCuts();
     InputStartValues();
-    if (priorities())
-      VarPriorities( ReadSuffix(suf_varpriority) );
+    if (priorities()) {
+      if (auto pri_array = ReadSuffix(suf_varpriority))
+        VarPriorities( pri_array );
+    }
   }
 
   virtual void InputLazyUserCuts() {

diff --git a/include/mp/backend-std.h b/include/mp/backend-std.h
@@ -280,10 +280,14 @@ class StdBackend :
   /// Standard extras
   virtual void InputStdExtras() {
     if (multiobj()) {
-      ObjPriorities( ReadSuffix(suf_objpriority) );
-      ObjWeights( ReadSuffix(suf_objweight) );
-      ObjAbsTol( ReadSuffix(suf_objabstol) );
-      ObjRelTol( ReadSuffix(suf_objreltol) );
+      if (auto suf = ReadSuffix(suf_objpriority))
+        ObjPriorities( suf );
+      if (auto suf = ReadSuffix(suf_objweight))
+        ObjWeights( suf );
+      if (auto suf = ReadSuffix(suf_objabstol))
+        ObjAbsTol( suf );
+      if (auto suf = ReadSuffix(suf_objreltol))
+        ObjRelTol( suf );
     }
     if (feasrelax())
       InputFeasrelaxData();