dbg.h

//---------------------------------------------------------------------------
#ifndef dbgH
#define dbgH
//---------------------------------------------------------------------------

/* Put the following in the main program file:

   std::ostream* dbgout=0;
   bool XDEBUG=false;

*/

//
// Set up debugging stuff
//

#include <cstdlib>
#include <iostream>

extern std::ostream* dbgout;
extern bool XDEBUG;

#ifdef NDEBUG
#define dbg if(false) (*dbgout)
#define xdbg if (false) (*dbgout)
#define xxdbg if (false) (*dbgout)
#define Assert(x)
#else
#define dbg if(dbgout) (*dbgout)
#define xdbg if (dbgout && XDEBUG) (*dbgout)
#define xxdbg if (false) (*dbgout)
#define Assert(x) \
    do { \
        if(!(x)) { \
            dbg << "Error - Assert " #x " failed"<<std::endl; \
            dbg << "on line "<<__LINE__<<" in file "<<__FILE__<<std::endl; \
            std::cerr << "Error - Assert " #x " failed"<<std::endl; \
            std::cerr << "on line "<<__LINE__<<" in file "<<__FILE__<<std::endl; \
            exit(1); \
        }  \
    } while (false)
#endif

inline void myerror(const std::string& s)
{
    dbg << "Error: " << s << std::endl;
    std::cerr << "Error: " << s << std::endl;
    exit(1);
}

#endif