fixed comments

gtsam/inference/VariableIndex.h

@@ -63,7 +63,7 @@ public:
   /// @name Standard Constructors
   /// @{
 
-  /** Default constructor, creates an empty VariableIndex */
+  /// Default constructor, creates an empty VariableIndex
   VariableIndex() : nFactors_(0), nEntries_(0) {}
 
   /**
@@ -77,19 +77,16 @@ public:
   /// @name Standard Interface
   /// @{
 
-  /**
-   * The number of variable entries.  This is one greater than the variable
-   * with the highest index.
-   */
+  /// The number of variable entries.  This is equal to the number of unique variable Keys.
   size_t size() const { return index_.size(); }
 
-  /** The number of factors in the original factor graph */
+  /// The number of factors in the original factor graph
   size_t nFactors() const { return nFactors_; }
 
-  /** The number of nonzero blocks, i.e. the number of variable-factor entries */
+  /// The number of nonzero blocks, i.e. the number of variable-factor entries
   size_t nEntries() const { return nEntries_; }
 
-  /** Access a list of factors by variable */
+  /// Access a list of factors by variable
   const Factors& operator[](Key variable) const {
     KeyMap::const_iterator item = index_.find(variable);
     if(item == index_.end())
@@ -102,10 +99,10 @@ public:
   /// @name Testable
   /// @{
 
-  /** Test for equality (for unit tests and debug assertions). */
+  /// Test for equality (for unit tests and debug assertions).
   bool equals(const VariableIndex& other, double tol=0.0) const;
 
-  /** Print the variable index (for unit tests and debugging). */
+  /// Print the variable index (for unit tests and debugging).
   void print(const std::string& str = "VariableIndex: ",
       const KeyFormatter& keyFormatter = DefaultKeyFormatter) const;
 
@@ -140,17 +137,17 @@ public:
   template<typename ITERATOR, class FG>
   void remove(ITERATOR firstFactor, ITERATOR lastFactor, const FG& factors);
 
-  /** Remove unused empty variables (in debug mode verifies they are empty). */
+  /// Remove unused empty variables (in debug mode verifies they are empty).
   template<typename ITERATOR>
   void removeUnusedVariables(ITERATOR firstKey, ITERATOR lastKey);
 
-  /** Iterator to the first variable entry */
+  /// Iterator to the first variable entry
   const_iterator begin() const { return index_.begin(); }
 
-  /** Iterator to the first variable entry */
+  /// Iterator to the first variable entry
   const_iterator end() const { return index_.end(); }
 
-  /** Find the iterator for the requested variable entry */
+  /// Find the iterator for the requested variable entry
   const_iterator find(Key key) const { return index_.find(key); }
 
 protected: