Mercurial > forge
annotate extra/NaN/src/linear.h @ 12706:01c5f2e1ec48 octave-forge
fix integer types - avoid compiler warnings
| author | schloegl |
|---|---|
| date | Tue, 05 Jan 2016 10:00:14 +0000 |
| parents | 0605cb0434ff |
| children |
| rev | line source |
|---|---|
| 6560 | 1 /* |
| 2 | |
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12593
0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
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3 $Id$ |
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0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
|
4 Copyright (c) 2007-2009 The LIBLINEAR Project. |
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0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
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5 Copyright (c) 2010 Alois Schloegl <alois.schloegl@gmail.com> |
| 6560 | 6 This function is part of the NaN-toolbox |
| 7889 | 7 http://pub.ist.ac.at/~schloegl/matlab/NaN/ |
| 6560 | 8 |
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0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
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9 This code was extracted from liblinear-1.51 in Jan 2010 and |
| 6560 | 10 modified for the use with Octave |
| 11 | |
| 12 This program is free software; you can redistribute it and/or modify | |
| 13 it under the terms of the GNU General Public License as published by | |
| 14 the Free Software Foundation; either version 3 of the License, or | |
| 15 (at your option) any later version. | |
| 16 | |
| 17 This program is distributed in the hope that it will be useful, | |
| 18 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 20 GNU General Public License for more details. | |
| 21 | |
| 22 You should have received a copy of the GNU General Public License | |
| 23 along with this program; if not, see <http://www.gnu.org/licenses/>. | |
| 24 | |
| 25 */ | |
| 26 | |
| 27 #ifndef _LIBLINEAR_H | |
| 28 #define _LIBLINEAR_H | |
| 29 | |
| 30 #ifdef __cplusplus | |
| 31 extern "C" { | |
| 32 #endif | |
| 33 | |
| 34 struct feature_node | |
| 35 { | |
| 36 int index; | |
| 37 double value; | |
| 38 }; | |
| 39 | |
| 40 struct problem | |
| 41 { | |
| 42 int l, n; | |
| 43 int *y; | |
| 44 struct feature_node **x; | |
| 45 double bias; /* < 0 if no bias term */ | |
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12593
0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
|
46 double *W; /* instance weight */ |
| 6560 | 47 }; |
| 48 | |
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0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
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49 enum { L2R_LR, L2R_L2LOSS_SVC_DUAL, L2R_L2LOSS_SVC, L2R_L1LOSS_SVC_DUAL, MCSVM_CS, L1R_L2LOSS_SVC, L1R_LR }; /* solver_type */ |
| 6560 | 50 |
| 51 struct parameter | |
| 52 { | |
| 53 int solver_type; | |
| 54 | |
| 55 /* these are for training only */ | |
| 56 double eps; /* stopping criteria */ | |
| 57 double C; | |
| 58 int nr_weight; | |
| 59 int *weight_label; | |
| 60 double* weight; | |
| 61 }; | |
| 62 | |
| 63 struct model | |
| 64 { | |
| 65 struct parameter param; | |
| 12706 | 66 unsigned nr_class; /* number of classes */ |
| 6560 | 67 int nr_feature; |
| 68 double *w; | |
| 69 int *label; /* label of each class */ | |
| 70 double bias; | |
| 71 }; | |
| 72 | |
| 73 struct model* train(const struct problem *prob, const struct parameter *param); | |
| 74 void cross_validation(const struct problem *prob, const struct parameter *param, int nr_fold, int *target); | |
| 75 | |
| 76 int predict_values(const struct model *model_, const struct feature_node *x, double* dec_values); | |
| 77 int predict(const struct model *model_, const struct feature_node *x); | |
| 78 int predict_probability(const struct model *model_, const struct feature_node *x, double* prob_estimates); | |
| 79 | |
| 80 int save_model(const char *model_file_name, const struct model *model_); | |
| 81 struct model *load_model(const char *model_file_name); | |
| 82 | |
| 83 int get_nr_feature(const struct model *model_); | |
| 84 int get_nr_class(const struct model *model_); | |
| 85 void get_labels(const struct model *model_, int* label); | |
| 86 | |
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12593
0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
|
87 void destroy_model(struct model *model_); |
| 6560 | 88 void destroy_param(struct parameter *param); |
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12593
0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
|
89 const char *check_parameter(const struct parameter *param); |
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0605cb0434ff
[nan] revert r12777:12778 use liblinear 1.5x - because v1.8 does not support weighted samples
schloegl
parents:
12591
diff
changeset
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90 extern void (*liblinear_print_string) (const char *); |
| 6560 | 91 |
| 92 #ifdef __cplusplus | |
| 93 } | |
| 94 #endif | |
| 95 | |
| 96 #endif /* _LIBLINEAR_H */ | |
| 97 |