Fixed locked member function in Region class

Author: sfkhalid

libs/libvtrutil/src/vtr_geometry.h

@@ -141,7 +141,7 @@ class Rect {
 template<class T>
 Rect<T> bounding_box(const Rect<T>& lhs, const Rect<T>& rhs);
 
-//Return the intersection (union) of two given rectangles
+//Return the intersection of two given rectangles
 template<class T>
 Rect<T> intersection(const Rect<T>& lhs, const Rect<T>& rhs);
 

vpr/src/base/region.cpp

@@ -73,21 +73,7 @@ Region Region::regions_intersection(Region region) {
 }
 
 bool Region::locked() {
-    bool locked = false;
-
-    if (region_bounds.xmin() != region_bounds.xmax()) {
-        return locked;
-    }
-
-    if (region_bounds.ymin() != region_bounds.ymax()) {
-        return locked;
-    }
-
-    if (sub_tile == NO_SUBTILE) {
-        return locked;
-    }
-
-    return locked = true;
+    return region_bounds.xmin() == region_bounds.xmax() && region_bounds.ymin() == region_bounds.ymax() && sub_tile != NO_SUBTILE;
 }
 
 bool Region::empty() {