src/fflib/lgfem.cpp:1936: error: NULL_DEREFERENCE
  pointer `ipp` last assigned on line 1934 could be null and is dereferenced at line 1936, column 76.
Showing all 44 steps of the trace


src/fflib/lgfem.cpp:1928:1: start of procedure set_feoX_1()
1926.       return SetAny<FEbase<R,v_fes>*>(&fe); 
1927.     }
1928. > AnyType set_feoX_1 (Stack s,Expression ppfeX_1, Expression e)
1929.     { // inutile 
1930.       // m�me chose que  v(X1,X2);

src/fflib/lgfem.cpp:1931:7: Skipping WhereStackOfPtr2Free(): function or method not found
1929.     { // inutile 
1930.       // m�me chose que  v(X1,X2);
1931.         StackOfPtr2Free * sptr = WhereStackOfPtr2Free(s);
              ^
1932.       typedef const interpolate_f_X_1<R>::CODE * code;
1933.       MeshPoint mp= *MeshPointStack(s); 

src/fflib/lgfem.cpp:1933:5: 
1931.         StackOfPtr2Free * sptr = WhereStackOfPtr2Free(s);
1932.       typedef const interpolate_f_X_1<R>::CODE * code;
1933. >     MeshPoint mp= *MeshPointStack(s); 
1934.       code ipp = dynamic_cast<code>(ppfeX_1);
1935.       

src/femlib/MeshPoint.hpp:471:1: start of procedure Fem2D::MeshPointStack()
  469.   
  470.   ostream & operator << ( ostream &,const  MeshPoint & )  ;    
  471. > inline static MeshPoint* MeshPointStack(Stack s) {void * p= static_cast<void **>(s)[MeshPointStackOffset];throwassert(p); return static_cast<MeshPoint*>( p);}
  472.   inline static void MeshPointStack(Stack s,MeshPoint* mp) {*static_cast<MeshPoint**>(static_cast<void *>(s)) = mp;}
  473.   #ifdef NEWFFSTACK

src/femlib/MeshPoint.hpp:471:51: 
  469.   
  470.   ostream & operator << ( ostream &,const  MeshPoint & )  ;    
  471. > inline static MeshPoint* MeshPointStack(Stack s) {void * p= static_cast<void **>(s)[MeshPointStackOffset];throwassert(p); return static_cast<MeshPoint*>( p);}
  472.   inline static void MeshPointStack(Stack s,MeshPoint* mp) {*static_cast<MeshPoint**>(static_cast<void *>(s)) = mp;}
  473.   #ifdef NEWFFSTACK

src/femlib/MeshPoint.hpp:471:123: 
  469.   
  470.   ostream & operator << ( ostream &,const  MeshPoint & )  ;    
  471. > inline static MeshPoint* MeshPointStack(Stack s) {void * p= static_cast<void **>(s)[MeshPointStackOffset];throwassert(p); return static_cast<MeshPoint*>( p);}
  472.   inline static void MeshPointStack(Stack s,MeshPoint* mp) {*static_cast<MeshPoint**>(static_cast<void *>(s)) = mp;}
  473.   #ifdef NEWFFSTACK

src/femlib/MeshPoint.hpp:471:158: return from a call to Fem2D::MeshPointStack
  469.   
  470.   ostream & operator << ( ostream &,const  MeshPoint & )  ;    
  471.   inline static MeshPoint* MeshPointStack(Stack s) {void * p= static_cast<void **>(s)[MeshPointStackOffset];throwassert(p); return static_cast<MeshPoint*>( p);}
                                                                                                                                                                      ^
  472.   inline static void MeshPointStack(Stack s,MeshPoint* mp) {*static_cast<MeshPoint**>(static_cast<void *>(s)) = mp;}
  473.   #ifdef NEWFFSTACK

src/femlib/MeshPoint.hpp:373:7: start of procedure MeshPoint
  371.     // --------  
  372.   };
  373.   class MeshPoint : public MeshPointBase { public:
               ^
  374.     MeshPointBase other;
  375.     void unset() {  MeshPointBase::unset(); other.unset();}

src/femlib/MeshPoint.hpp:15:7: start of procedure MeshPointBase
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15.   class MeshPointBase { public:
                ^
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:19:3: start of procedure 
      17.     R3 P;
      18.     R3 PHat;
      19.     union {
              ^
      20.     const Mesh * Th;  
      21.     const Mesh3 * Th3;  

src/femlib/MeshPoint.hpp:19:3: return from a call to Fem2D::MeshPointBase::anonymous_union_._.._femlib_MeshPoint.hpp:19:3_
      17.     R3 P;
      18.     R3 PHat;
      19.     union {
              ^
      20.     const Mesh * Th;  
      21.     const Mesh3 * Th3;  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:23:3: start of procedure 
      21.     const Mesh3 * Th3;  
      22.     };
      23.     union{
              ^
      24.     const Triangle * T;
      25.     const Tet * T3;

src/femlib/MeshPoint.hpp:23:3: return from a call to Fem2D::MeshPointBase::anonymous_union_._.._femlib_MeshPoint.hpp:23:3_
      21.     const Mesh3 * Th3;  
      22.     };
      23.     union{
              ^
      24.     const Triangle * T;
      25.     const Tet * T3;

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: return from a call to Fem2D::MeshPointBase_MeshPointBase
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15.   class MeshPointBase { public:
                ^
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:373:7: 
  371.     // --------  
  372.   };
  373. > class MeshPoint : public MeshPointBase { public:
  374.     MeshPointBase other;
  375.     void unset() {  MeshPointBase::unset(); other.unset();}

src/femlib/MeshPoint.hpp:15:7: start of procedure MeshPointBase
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15.   class MeshPointBase { public:
                ^
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:19:3: start of procedure 
      17.     R3 P;
      18.     R3 PHat;
      19.     union {
              ^
      20.     const Mesh * Th;  
      21.     const Mesh3 * Th3;  

src/femlib/MeshPoint.hpp:19:3: return from a call to Fem2D::MeshPointBase::anonymous_union_._.._femlib_MeshPoint.hpp:19:3_
      17.     R3 P;
      18.     R3 PHat;
      19.     union {
              ^
      20.     const Mesh * Th;  
      21.     const Mesh3 * Th3;  

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:23:3: start of procedure 
      21.     const Mesh3 * Th3;  
      22.     };
      23.     union{
              ^
      24.     const Triangle * T;
      25.     const Tet * T3;

src/femlib/MeshPoint.hpp:23:3: return from a call to Fem2D::MeshPointBase::anonymous_union_._.._femlib_MeshPoint.hpp:23:3_
      21.     const Mesh3 * Th3;  
      22.     };
      23.     union{
              ^
      24.     const Triangle * T;
      25.     const Tet * T3;

src/femlib/MeshPoint.hpp:15:7: 
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15. > class MeshPointBase { public:
    16.     
    17.     R3 P;

src/femlib/R3.hpp:38:7: start of procedure R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/R3.hpp:38:7: return from a call to Fem2D::R3_R3
      36.   #include "R2.hpp" 
      37.   
      38.   class R3  {
                  ^
      39.   
      40.   public:  

src/femlib/MeshPoint.hpp:15:7: return from a call to Fem2D::MeshPointBase_MeshPointBase
    13.   const long notaregion=LONG_MIN;
    14.   const double doublenotset = -123e100;
    15.   class MeshPointBase { public:
                ^
    16.     
    17.     R3 P;

src/femlib/MeshPoint.hpp:373:7: return from a call to Fem2D::MeshPoint_MeshPoint
  371.     // --------  
  372.   };
  373.   class MeshPoint : public MeshPointBase { public:
               ^
  374.     MeshPointBase other;
  375.     void unset() {  MeshPointBase::unset(); other.unset();}

src/fflib/lgfem.cpp:1934:5: 
1932.       typedef const interpolate_f_X_1<R>::CODE * code;
1933.       MeshPoint mp= *MeshPointStack(s); 
1934. >     code ipp = dynamic_cast<code>(ppfeX_1);
1935.       
1936.       pair<FEbase<R,v_fes> *,int>  pp=GetAny<pair<FEbase<R,v_fes> *,int> >((*ipp->f)(s));

src/fflib/lgfem.cpp:1936:5: 
1934.       code ipp = dynamic_cast<code>(ppfeX_1);
1935.       
1936. >     pair<FEbase<R,v_fes> *,int>  pp=GetAny<pair<FEbase<R,v_fes> *,int> >((*ipp->f)(s));
1937.       FEbase<R,v_fes> & fe(*pp.first);
1938.       const  FESpace & Vh(*fe.newVh());