function should be non-const

NonLinearSolver/internalPoints/ipstate.h

@@ -37,7 +37,7 @@ class IPStateBase{
 		enum whichState{initial, previous, current, temp, activeDissipation};
 		virtual IPVariable* getState(const whichState wst=IPStateBase::current) const=0;
 		virtual void restart()=0;
-		virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) const = 0;
+		virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) = 0;
 
 		virtual void setLocation(const IPVariable::LOCATION loc){
 			std::vector<IPVariable*> allIP;
@@ -70,7 +70,10 @@ class IP1State : public IPStateBase{
   virtual IP1State & operator = (const IPStateBase &source);
   IPVariable* getState(const whichState wst=IPStateBase::current) const;
   virtual void restart();
-  virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) const {allIP.push_back(_current); };
+  virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) {
+    allIP.clear();
+    allIP.push_back(_current);
+  };
 };
 
 class IP3State : public IPStateBase{
@@ -90,7 +93,8 @@ class IP3State : public IPStateBase{
   virtual IP3State & operator = (const IPStateBase &source);
   IPVariable* getState(const whichState wst=IPStateBase::current) const;
   virtual void restart();
-  virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) const {
+  virtual void getAllIPVariable(std::vector<IPVariable*>& allIP) {
+    allIP.clear();
     allIP.push_back(_initial);
     allIP.push_back(_step1);
     allIP.push_back(_step2);