#ifndef globals_h#define globals_h 1//#define windows 1#define use_time 1// uncomment the following line if you get problems with sys/times.h when compiling:#undef use_time#ifdef windows#undef use_time#define isnan _isnan#endif#ifdef use_time#include <sys/times.h>#endif#include <string.h>#include <math.h>#include <iostream.h>/** * Global declarations * * Declares * @li Variable types * * @author Stefan Rueping <rueping@ls8.cs.uni-dortmund.de> * @version 0.1 **/// variable typestypedef long SVMINT;typedef double SVMFLOAT;// constants#define MAXSVMINT 2147483647#define infinity 1e20#define MAXCHAR 10000#define PI 3.1415926535typedef struct svm_attrib{  SVMFLOAT att;  SVMINT index;} SVM_ATTRIB;typedef struct svm_example{  SVMINT length;  svm_attrib* example;  SVMFLOAT y;  SVMFLOAT alpha;} SVM_EXAMPLE;typedef struct svm_result {  SVMFLOAT VCdim;  SVMFLOAT loss;  SVMFLOAT accuracy;  SVMFLOAT precision;  SVMFLOAT recall;  SVMFLOAT MAE;  SVMFLOAT MSE;  // for the asymmetrical case  SVMFLOAT loss_pos;  SVMFLOAT loss_neg;  // loo predictors  SVMFLOAT pred_loss;  SVMFLOAT pred_accuracy;  SVMFLOAT pred_precision;  SVMFLOAT pred_recall;  // count of the support vectors  SVMINT number_svs;  SVMINT number_bsv;} SVM_RESULT;typedef struct quadratic_program {  SVMINT    n;   /* number of variables */  SVMINT    m;   /* number of linear equality constraints */  SVMFLOAT* c;     SVMFLOAT* H;   /* c' * x + 1/2 x' * H * x -> min */  SVMFLOAT* A;     SVMFLOAT* b;   /* A * x = b */  SVMFLOAT* l;     SVMFLOAT* u;   /* l <= x <= u */} QP;class example_format{ public:  // format of examples file  int sparse;  int where_x;  int where_y ;  int where_alpha;  char delimiter;};ostream& operator<< (ostream& data_stream, example_format& format);// exceptions class general_exception{ public:  char* error_msg;  general_exception();  general_exception(char* the_error);};class read_exception : public general_exception{ public:  read_exception();  read_exception(char* the_error);};class no_number_exception : public general_exception{};class input_exception : public general_exception{};// little helpers#define abs(x) ((x) >= 0 ? (x) : -(x))SVMFLOAT x_i(const svm_example x, const SVMINT i);SVMFLOAT string2svmfloat(char* s);long get_time();#endif