1 /* ----------------------------------------------------------------------
2 * Project: CMSIS DSP Library
3 * Title: arm_svm_sigmoid_predict_f32.c
4 * Description: SVM Sigmoid Instance Initialization
5 *
6 * $Date: 23 April 2021
7 * $Revision: V1.9.0
8 *
9 * Target Processor: Cortex-M and Cortex-A cores
10 * -------------------------------------------------------------------- */
11 /*
12 * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
13 *
14 * SPDX-License-Identifier: Apache-2.0
15 *
16 * Licensed under the Apache License, Version 2.0 (the License); you may
17 * not use this file except in compliance with the License.
18 * You may obtain a copy of the License at
19 *
20 * www.apache.org/licenses/LICENSE-2.0
21 *
22 * Unless required by applicable law or agreed to in writing, software
23 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
25 * See the License for the specific language governing permissions and
26 * limitations under the License.
27 */
28
29 #include "dsp/svm_functions.h"
30 #include <limits.h>
31 #include <math.h>
32
33 /**
34 @ingroup groupSVM
35 */
36
37 /**
38 @defgroup sigmoidsvm Sigmoid SVM
39
40 Sigmoid SVM classifier
41 */
42
43 /**
44 * @addtogroup sigmoidsvm
45 * @{
46 */
47
48
49 /**
50 * @brief SVM sigmoid instance init function
51 *
52 * Classes are integer used as output of the function (instead of having -1,1
53 * as class values).
54 *
55 * @param[in] S points to an instance of the rbf SVM structure.
56 * @param[in] nbOfSupportVectors Number of support vectors
57 * @param[in] vectorDimension Dimension of vector space
58 * @param[in] intercept Intercept
59 * @param[in] dualCoefficients Array of dual coefficients
60 * @param[in] supportVectors Array of support vectors
61 * @param[in] classes Array of 2 classes ID
62 * @param[in] coef0 coeff0 (scikit-learn terminology)
63 * @param[in] gamma gamma (scikit-learn terminology)
64 * @return none.
65 *
66 */
67
arm_svm_sigmoid_init_f32(arm_svm_sigmoid_instance_f32 * S,uint32_t nbOfSupportVectors,uint32_t vectorDimension,float32_t intercept,const float32_t * dualCoefficients,const float32_t * supportVectors,const int32_t * classes,float32_t coef0,float32_t gamma)68 void arm_svm_sigmoid_init_f32(arm_svm_sigmoid_instance_f32 *S,
69 uint32_t nbOfSupportVectors,
70 uint32_t vectorDimension,
71 float32_t intercept,
72 const float32_t *dualCoefficients,
73 const float32_t *supportVectors,
74 const int32_t *classes,
75 float32_t coef0,
76 float32_t gamma
77 )
78 {
79 S->nbOfSupportVectors = nbOfSupportVectors;
80 S->vectorDimension = vectorDimension;
81 S->intercept = intercept;
82 S->dualCoefficients = dualCoefficients;
83 S->supportVectors = supportVectors;
84 S->classes = classes;
85 S->coef0 = coef0;
86 S->gamma = gamma;
87 }
88
89
90 /**
91 * @} end of sigmoidsvm group
92 */
93