Fixed bug in the n==0 case

2014-05-28 22:30:46 -04:00 · 2014-05-28 22:30:46 -04:00 · e48fa756c0
parent 0c95959510
commit e48fa756c0
1 changed files with 1 additions and 0 deletions
--- a/gtsam/linear/NoiseModel.cpp
+++ b/gtsam/linear/NoiseModel.cpp
@ -220,6 +220,7 @@ Diagonal::shared_ptr Diagonal::Variances(const Vector& variances, bool smart) {
 Diagonal::shared_ptr Diagonal::Sigmas(const Vector& sigmas, bool smart) {
  if (smart) {
    size_t n = sigmas.size();
+    if (n==0) goto full;
    // look for zeros to make a constraint
    for (size_t j=0; j< n; ++j)
      if (sigmas(j)<1e-8)