fix return value from key to size_t.

2014-12-23 18:12:24 -05:00 · 2014-12-23 18:12:24 -05:00 · 2791f2930b
parent e74b737a66
commit 2791f2930b
1 changed files with 1 additions and 1 deletions
--- a/gtsam/linear/VectorValues.h
+++ b/gtsam/linear/VectorValues.h
@ -135,7 +135,7 @@ namespace gtsam {
    /// @{

    /** Number of variables stored. */
-    Key size() const { return values_.size(); }
+    size_t size() const { return values_.size(); }

    /** Return the dimension of variable \c j. */
    size_t dim(Key j) const { return at(j).rows(); }