add another pointer check

2024-12-10 14:10:33 -05:00 · 2024-12-10 14:10:33 -05:00 · 588533751b
parent 2fd60a47a2
commit 588533751b
1 changed files with 1 additions and 1 deletions
--- a/gtsam/discrete/DiscreteFactorGraph.cpp
+++ b/gtsam/discrete/DiscreteFactorGraph.cpp
@ -76,7 +76,7 @@ namespace gtsam {
  double DiscreteFactorGraph::operator()(const DiscreteValues& values) const {
    double product = 1.0;
    for (const sharedFactor& factor : factors_) {
-      product *= (*factor)(values);
+      if (factor) product *= (*factor)(values);
    }
    return product;
  }