Refined error message in subgraphbuilder

2020-11-24 11:57:24 -05:00 · 2020-11-24 11:57:24 -05:00 · b5a0919982
parent 122edc1da4
commit b5a0919982
1 changed files with 1 additions and 1 deletions
--- a/gtsam/linear/SubgraphBuilder.cpp
+++ b/gtsam/linear/SubgraphBuilder.cpp
@ -383,7 +383,7 @@ Subgraph SubgraphBuilder::operator()(const GaussianFactorGraph &gfg) const {
  const vector<size_t> tree = buildTree(gfg, forward_ordering, weights);
  if (tree.size() != n - 1) {
    throw std::runtime_error(
-        "SubgraphBuilder::operator() failure: tree.size() != n-1");
+        "SubgraphBuilder::operator() failure: tree.size() != n-1, might caused by disconnected graph");
  }

  // Downweight the tree edges to zero.