Update rg predefined parameters rotation behavior

Author: fontanf

include/packingsolver/rectangleguillotine/instance_builder.hpp

@@ -180,8 +180,8 @@ class InstanceBuilder
      */
     void set_item_types_unweighted();
 
-    /** For each item type, set 'oriented' to 'true'. */
-    void set_item_types_oriented();
+    /** For each item type, set its 'oriented' attribute. */
+    void set_item_types_oriented(bool oriented = true);
 
     /*
      * Build

src/rectangleguillotine/instance_builder.cpp

@@ -67,9 +67,10 @@ void InstanceBuilder::set_predefined(std::string str)
     }
     switch (str[3]) {
     case 'R': {
+        set_item_types_oriented(false);
         break;
     } case 'O': {
-        set_item_types_oriented();
+        set_item_types_oriented(true);
         break;
     } default: {
         // TODO
@@ -440,12 +441,12 @@ void InstanceBuilder::set_item_types_unweighted()
     }
 }
 
-void InstanceBuilder::set_item_types_oriented()
+void InstanceBuilder::set_item_types_oriented(bool oriented)
 {
     for (ItemTypeId item_type_id = 0;
             item_type_id < instance_.number_of_item_types();
             ++item_type_id) {
-        instance_.item_types_[item_type_id].oriented = true;
+        instance_.item_types_[item_type_id].oriented = oriented;
     }
 }