BUG: Default pointer initialization to nullptr

Source/Solvers/imstkConjugateGradient.h

@@ -136,8 +136,8 @@ private:
     ///> Pointer to the Eigen's Conjugate gradient solver
     Eigen::ConjugateGradient<SparseMatrixd> m_cgSolver;
 
-    std::vector<LinearProjectionConstraint>  *m_FixedLinearProjConstraints;
-    std::vector<LinearProjectionConstraint>  *m_DynamicLinearProjConstraints;
+    std::vector<LinearProjectionConstraint>  *m_FixedLinearProjConstraints = nullptr;
+    std::vector<LinearProjectionConstraint>  *m_DynamicLinearProjConstraints = nullptr;
 };
 } // imstk
 

Source/Solvers/imstkGaussSeidel.cpp

@@ -37,7 +37,7 @@ GaussSeidel::solve(Vectord& x)
         return;
     }
 
-    if (m_FixedLinearProjConstraints->size() == 0)
+    if (!m_FixedLinearProjConstraints)
     {
         this->gaussSeidelSolve(x);
     }

Source/Solvers/imstkGaussSeidel.h

@@ -132,8 +132,8 @@ public:
 
 private:
 
-    std::vector<LinearProjectionConstraint>  *m_FixedLinearProjConstraints;
-    std::vector<LinearProjectionConstraint>  *m_DynamicLinearProjConstraints;
+    std::vector<LinearProjectionConstraint>  *m_FixedLinearProjConstraints = nullptr;
+    std::vector<LinearProjectionConstraint>  *m_DynamicLinearProjConstraints = nullptr;
 };
 } // imstk