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/**
* @file gensvm_grid.c
* @author G.J.J. van den Burg
* @date 2016-05-01
* @brief Functions for initializing GenGrid structures
*
* @details
* This file contains functions for initializing and freeing a GenGrid
* instance. In addition, default values for this structure are defined here
* (and only here).
*
* @copyright
Copyright 2016, G.J.J. van den Burg.
This file is part of GenSVM.
GenSVM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GenSVM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GenSVM. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gensvm_grid.h"
/**
* @brief Initialize a GenGrid structure
*
* @brief
* This function is used to initialize a GenGrid struct, and set its default
* parameters. A pointer to the generated struct is returned.
*
* @return initialized GenGrid struct
*
*/
struct GenGrid *gensvm_init_grid()
{
struct GenGrid *grid = Malloc(struct GenGrid, 1);
// initialize to defaults
grid->traintype = CV;
grid->kerneltype = K_LINEAR;
grid->folds = 10;
grid->repeats = 0;
grid->percentile = 95.0;
grid->Np = 0;
grid->Nl = 0;
grid->Nk = 0;
grid->Ne = 0;
grid->Nw = 0;
grid->Ng = 0;
grid->Nc = 0;
grid->Nd = 0;
// set arrays to NULL
grid->weight_idxs = NULL;
grid->ps = NULL;
grid->lambdas = NULL;
grid->kappas = NULL;
grid->epsilons = NULL;
grid->gammas = NULL;
grid->coefs = NULL;
grid->degrees = NULL;
grid->train_data_file = NULL;
grid->test_data_file = NULL;
return grid;
}
/**
* @brief Free a GenGrid structure
*
* @details
* This function frees all elements of a GenGrid structure, including the
* GenGrid structure itself. The provided argument is set to NULL on exit.
*
* @param[in] grid a GenGrid struct to free
*
*/
void gensvm_free_grid(struct GenGrid *grid)
{
free(grid->weight_idxs);
free(grid->ps);
free(grid->lambdas);
free(grid->kappas);
free(grid->epsilons);
free(grid->gammas);
free(grid->coefs);
free(grid->degrees);
free(grid->train_data_file);
free(grid->test_data_file);
free(grid);
grid = NULL;
}
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