fixed segfault when splitting zero-size AGs

GrossfieldLab · Mar 1, 2024 · 7de8928 · 7de8928
1 parent 8cf3fff
commit 7de8928
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/AtomicGroup.cpp b/src/AtomicGroup.cpp
@@ -540,6 +540,9 @@ namespace loos {
   std::vector<AtomicGroup> AtomicGroup::splitByResidue(void) const {
     std::vector<AtomicGroup> residues;
 
+    if (size() == 0) {
+      return(residues);
+    }
     int curr_resid = atoms[0]->resid();
     std::string curr_segid = atoms[0]->segid();