Fixed warnings about mixing class and struct

gtsam/inference/tests/testEliminationTree.cpp

@@ -25,7 +25,8 @@
 using namespace gtsam;
 using namespace std;
 
-struct EliminationTreeTester {
+class EliminationTreeTester {
+public:
   // build hardcoded tree
   static SymbolicEliminationTree::shared_ptr buildHardcodedTree(const SymbolicFactorGraph& fg) {
 

gtsam/linear/GaussianFactorGraph.h

@@ -31,7 +31,7 @@
 
 namespace gtsam {
 
-	struct SharedDiagonal;
+	class SharedDiagonal;
 
   /** return A*x-b
    * \todo Make this a member function - affects SubgraphPreconditioner */

gtsam/linear/HessianFactor.h

@@ -33,7 +33,7 @@ namespace gtsam {
 
   // Forward declarations
   class JacobianFactor;
-  struct SharedDiagonal;
+  class SharedDiagonal;
   class GaussianConditional;
   template<class C> class BayesNet;
 

gtsam/linear/NoiseModel.h

@@ -23,7 +23,7 @@
 
 namespace gtsam {
 
-	struct SharedDiagonal; // forward declare
+	class SharedDiagonal; // forward declare
 
 	/// All noise models live in the noiseModel namespace
 	namespace noiseModel {

gtsam/linear/SharedDiagonal.h

@@ -25,7 +25,8 @@ namespace gtsam { // note, deliberately not in noiseModel namespace
 	// A useful convenience class to refer to a shared Diagonal model
 	// There are (somewhat dangerous) constructors from Vector and pair<size_t,double>
 	// that call Sigmas and Sigma, respectively.
-	struct SharedDiagonal: public noiseModel::Diagonal::shared_ptr {
+	class SharedDiagonal: public noiseModel::Diagonal::shared_ptr {
+	public:
 		SharedDiagonal() {
 		}
 		SharedDiagonal(const noiseModel::Diagonal::shared_ptr& p) :

gtsam/linear/SharedGaussian.h

@@ -27,7 +27,8 @@ namespace gtsam { // note, deliberately not in noiseModel namespace
 	 * A useful convenience class to refer to a shared Gaussian model
 	 * Also needed to make noise models in matlab
 	 */
-	struct SharedGaussian: public SharedNoiseModel {
+	class SharedGaussian: public SharedNoiseModel {
+	public:
 
 	  typedef SharedNoiseModel Base;