blob: 1526936c538e04fd06b8bebfd9d24b25627c1432 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/**
* @file gensvm_task.c
* @author G.J.J. van den Burg
* @date 2016-05-01
* @brief Functions for initializing and freeing a GenTask
*
* @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_task.h"
/**
* @brief Initialize a GenTask structure
*
* @details
* A GenTask structure is initialized and the default value for the
* parameters are set. A pointer to the initialized GenTask is returned.
*
* @returns initialized GenTask
*/
struct GenTask *gensvm_init_task()
{
struct GenTask *t = Malloc(struct GenTask, 1);
t->kerneltype = K_LINEAR;
t->weight_idx = 1;
t->folds = 10;
t->ID = -1;
t->p = 1.0;
t->kappa = 0.0;
t->lambda = 1.0;
t->epsilon = 1e-6;
t->gamma = 1.0;
t->coef = 0.0;
t->degree = 2.0;
t->train_data = NULL;
t->test_data = NULL;
t->performance = 0.0;
return t;
}
/**
* @brief Free the GenTask struct
*
* @details
* Freeing the allocated memory of the GenTask means freeing _only_ the task
* itself. The datasets are not freed, as these are shared between all tasks.
*
* @param[in] t GenTask to be freed
*
*/
void gensvm_free_task(struct GenTask *t)
{
free(t);
t = NULL;
}
/**
* @brief Deepcopy a GenTask struct
*
* @details
* Create a deep copy of a GenTask struct. Note that the datasets belonging to
* the tasks are not copied, only the pointers to the datasets.
*
* @param[in] t input GenTask struct to copy
*
* @return a deepcopy of the input GenTask
*/
struct GenTask *gensvm_copy_task(struct GenTask *t)
{
struct GenTask *nt = gensvm_init_task();
nt->weight_idx = t->weight_idx;
nt->folds = t->folds;
nt->ID = t->ID;
nt->p = t->p;
nt->kappa = t->kappa;
nt->lambda = t->lambda;
nt->epsilon = t->epsilon;
nt->train_data = t->train_data;
nt->test_data = t->test_data;
nt->performance = t->performance;
nt->kerneltype = t->kerneltype;
nt->gamma = t->gamma;
nt->coef = t->coef;
nt->degree = t->degree;
return nt;
}
/**
* @brief Copy parameters from GenTask to GenModel
*
* @details
* A GenTask struct only contains the parameters of the GenModel to be estimated.
* This function is used to copy these parameters.
*
* @param[in] task GenTask instance with parameters
* @param[in,out] model GenModel to which the parameters are copied
*/
void gensvm_task_to_model(struct GenTask *task, struct GenModel *model)
{
// copy basic model parameters
model->weight_idx = task->weight_idx;
model->epsilon = task->epsilon;
model->p = task->p;
model->kappa = task->kappa;
model->lambda = task->lambda;
// copy kernel parameters
model->kerneltype = task->kerneltype;
model->gamma = task->gamma;
model->coef = task->coef;
model->degree = task->degree;
}
|
