Example.h

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#ifndef EXAMPLEH
#define EXAMPLEH

#include "ExampleSpec.h"
#include "../util/lists.h"

typedef union {
   short discreteValue;
   float continuousValue;
} AttributeValue;

typedef enum {
   Discrete,
   Continuous
} AttributeType;

typedef struct _Example_ {
   int myclass;
   ExampleSpecPtr spec;

   VoidAListPtr attributes;
} Example, *ExamplePtr;

/*************************/
/* construction routines */
/*************************/

ExamplePtr ExampleNew(ExampleSpecPtr es);
ExamplePtr ExampleNewInitUnknown(ExampleSpecPtr es);


void ExampleFree(ExamplePtr e);

ExamplePtr ExampleClone(ExamplePtr e);

void ExampleSetAttributeUnknown(ExamplePtr e, int attNum);


void ExampleSetDiscreteAttributeValue(ExamplePtr e, int attNum, int value);

void ExampleSetContinuousAttributeValue(ExamplePtr e, int attNum, double value);

void ExampleSetClass(ExamplePtr e, int theClass);


void ExampleSetClassUnknown(ExamplePtr e);

void ExampleAddNoise(ExamplePtr e, float p, int doClass, int attrib);

ExamplePtr ExampleRead(FILE *file, ExampleSpecPtr es);

VoidListPtr ExamplesRead(FILE *file, ExampleSpecPtr es);

/*************************/
/* Accessor routines     */
/*************************/

int ExampleIsAttributeDiscrete(ExamplePtr e, int attNum);

int ExampleIsAttributeContinuous(ExamplePtr e, int attNum);

//int ExampleIsAttributeUnknown(ExamplePtr e, int attNum);
#define ExampleIsAttributeUnknown(e, attNum) \
   ( VALIndex(e->attributes, attNum) == 0 )

//int ExampleGetNumAttributes(ExamplePtr e);
#define ExampleGetNumAttributes(e) \
  (VALLength(((ExamplePtr)e)->attributes))

int ExampleGetDiscreteAttributeValue(ExamplePtr e, int attNum);

double ExampleGetContinuousAttributeValue(ExamplePtr e, int attNum);

//inline int ExampleGetDiscreteAttributeValueUnsafe(ExamplePtr e, int attNum) {
//    return ((AttributeValue *)VALIndex(e->attributes, attNum))->discreteValue;
//}

#define ExampleGetDiscreteAttributeValueUnsafe(e,attNum) \
   (((AttributeValue *)VALIndex((e)->attributes, (attNum)))->discreteValue)


//int ExampleGetClass(ExamplePtr e);
#define ExampleGetClass(e) \
     (((ExamplePtr)e)->myclass)

int ExampleIsClassUnknown(ExamplePtr e);

float ExampleDistance(ExamplePtr e, ExamplePtr dst);

/*************************/
/* Display routines      */
/*************************/

void ExampleWrite(ExamplePtr e, FILE *out);

#endif 

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