Update usher.cpp

yatisht · Oct 3, 2020 · 7f1ed7e · 7f1ed7e
1 parent e56be2a
commit 7f1ed7e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/usher.cpp b/src/usher.cpp
@@ -464,7 +464,7 @@ int main(int argc, char** argv) {
             fclose(current_tree_file);
         } 
         else {
-            if (sort_before_placement_1 || sort_before_placement_2) {
+            if ((sort_before_placement_1 || sort_before_placement_2) && (missing_samples.size() > 1)) {
                 timer.Start();
                 fprintf(stderr, "Computing parsimony scores for new samples and using it to sort the samples.\n");