The other node is incident to the old edge.

[r27815]

diff --git a/optimal.c b/optimal.c
index 6cf744d..436cfb3 100644 (file)
--- a/optimal.c
+++ b/optimal.c
@@ -353,11 +353,11 @@ static void merge_source_into_target(pbqp *pbqp, pbqp_edge *edge)
                assert(old_matrix);
 
                if (old_edge->tgt == src_node) {
-                       other_node = edge->src;
+                       other_node = old_edge->src;
                        other_len  = old_matrix->rows;
                }
                else {
-                       other_node = edge->tgt;
+                       other_node = old_edge->tgt;
                        other_len = old_matrix->cols;
                }
                assert(other_node);
@@ -511,11 +511,11 @@ static void merge_target_into_source(pbqp *pbqp, pbqp_edge *edge)
                assert(old_matrix);
 
                if (old_edge->tgt == tgt_node) {
-                       other_node = edge->src;
+                       other_node = old_edge->src;
                        other_len  = old_matrix->rows;
                }
                else {
-                       other_node = edge->tgt;
+                       other_node = old_edge->tgt;
                        other_len = old_matrix->cols;
                }
                assert(other_node);