#if !defined(CHECKERROR)
#define CHECKERROR       if (cgStaticError < 0) \
       {\
         goto errorHandling;\
       }

#endif

#if !defined(CG_BEFORE_ITERATION)
#define CG_BEFORE_ITERATION
#endif 

#if !defined(CG_AFTER_ITERATION)
#define CG_AFTER_ITERATION
#endif 

#if !defined(CG_BEFORE_SCHEDULE)
#define CG_BEFORE_SCHEDULE
#endif

#if !defined(CG_AFTER_SCHEDULE)
#define CG_AFTER_SCHEDULE
#endif

#if !defined(CG_BEFORE_BUFFER)
#define CG_BEFORE_BUFFER
#endif

#if !defined(CG_BEFORE_FIFO_BUFFERS)
#define CG_BEFORE_FIFO_BUFFERS
#endif

#if !defined(CG_BEFORE_FIFO_INIT)
#define CG_BEFORE_FIFO_INIT
#endif

#if !defined(CG_BEFORE_NODE_INIT)
#define CG_BEFORE_NODE_INIT
#endif

#if !defined(CG_AFTER_INCLUDES)
#define CG_AFTER_INCLUDES
#endif

#if !defined(CG_BEFORE_SCHEDULER_FUNCTION)
#define CG_BEFORE_SCHEDULER_FUNCTION
#endif

#if !defined(CG_BEFORE_NODE_EXECUTION)
#define CG_BEFORE_NODE_EXECUTION
#endif

#if !defined(CG_AFTER_NODE_EXECUTION)
#define CG_AFTER_NODE_EXECUTION
#endif