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/**
* @file gensvm_grid.h
* @author Gertjan van den Burg
* @date May, 2016
* @brief Structs necessary for the grid search
*
* @details
* The grid search for the optimal parameters is done through a queue.
* This file contains struct definitions for this queue and a single
* task in a queue, as well as a structure for the complete training
* scheme. Function declarations are also included.
*
*/
#ifndef GENSVM_GRID_H
#define GENSVM_GRID_H
#include "globals.h"
/**
* @brief Structure for describing the entire grid search
*
* @param traintype type of training to use
* @param kerneltype type of kernel to use throughout training
* @param repeats number of repeats to be done after the grid
* search to find the parameter set with the
* most consistent high performance
* @param folds number of folds in cross validation
* @param Np size of the array of p values
* @param Nl size of the array of lambda values
* @param Nk size of the array of kappa values
* @param Ne size of the array of epsilon values
* @param Nw size of the array of weight_idx values
* @param Ng size of the array of gamma values
* @param Nc size of the array of coef values
* @param Nd size of the array of degree values
* @param *weight_idxs array of weight_idxs
* @param *ps array of p values
* @param *lambdas array of lambda values
* @param *kappas array of kappa values
* @param *epsilons array of epsilon values
* @param *gammas array of gamma values
* @param *coefs array of coef values
* @param *degrees array of degree values
* @param *train_data_file filename of train data file
* @param *test_data_file filename of test data file
*
*/
struct GenGrid {
TrainType traintype;
KernelType kerneltype;
long repeats;
long folds;
long Np;
long Nl;
long Nk;
long Ne;
long Nw;
long Ng;
long Nc;
long Nd;
int *weight_idxs;
double *ps;
double *lambdas;
double *kappas;
double *epsilons;
double *gammas;
double *coefs;
double *degrees;
char *train_data_file;
char *test_data_file;
};
// function declarations
struct GenGrid *gensvm_init_grid();
void gensvm_free_grid(struct GenGrid *grid);
#endif
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