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HelperFunctions.h

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#ifndef __HELPER_FUNCTIONS_H__
#define __HELPER_FUNCTIONS_H__

#ifdef WIN32
#define isnan  _isnan
#define finite _finite
#endif

#include "fstream.h"

// Infinity is a million. i.e. a rather big value easy to identify
#ifndef INFINITY
#define INFINITY        1000000
#endif

#define round(x) ( x < 0 ? -(int)(0.5-x) : (int)(x+0.5) )

#define MIN(X, Y) ( (X) <= (Y) ? (X):(Y) )
#define MAX(X, Y) ( (X) >= (Y) ? (X):(Y) )

#define SIGN(X) ((X) == 0.0 ? 0:int((X) / fabs(X)))

#define PRINT(OS, EXP)  OS << #EXP << ": " << EXP << ", "
#define PRINTN(OS, EXP) OS << #EXP << ": " << EXP << endl

#define PRINT_OPEN(OS, EXP)     OS << '[' << #EXP << ": " << EXP << ", "
#define PRINT_CLOSE(OS, EXP) OS << #EXP << ": " << EXP << ']' << endl

#define ShowError(M) cerr << "\n\nERROR: " << M << endl
#define ShowMsg(M) cout << endl << M << endl

double SIMILARITY(double x, double y, const double& minVal = .1);

class LogFile : public fstream
{

public:
        LogFile() {}
        LogFile(const char* szFileName);
        void Print(const char* szFormat, ...);
};

#endif //__HELPER_FUNCTIONS_H__

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