?? globals.h
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#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
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