/ Drivers / CMSIS / DSP / Source / SVMFunctions / arm_svm_rbf_init_f32.c
arm_svm_rbf_init_f32.c
 1  /* ----------------------------------------------------------------------
 2   * Project:      CMSIS DSP Library
 3   * Title:        arm_svm_rbf_init_f32.c
 4   * Description:  SVM Radial Basis Function 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 rbfsvm RBF SVM
39  
40    RBF SVM classifier
41   */
42  
43  
44  /**
45   * @addtogroup rbfsvm
46   * @{
47   */
48  
49  
50  /**
51   * @brief        SVM radial basis function instance init function
52   *
53   * Classes are integer used as output of the function (instead of having -1,1
54   * as class values).
55   *
56   * @param[in]    S                      points to an instance of the polynomial SVM structure.
57   * @param[in]    nbOfSupportVectors     Number of support vectors
58   * @param[in]    vectorDimension        Dimension of vector space
59   * @param[in]    intercept              Intercept
60   * @param[in]    dualCoefficients       Array of dual coefficients
61   * @param[in]    supportVectors         Array of support vectors
62   * @param[in]    classes                Array of 2 classes ID
63   * @param[in]    gamma                  gamma (scikit-learn terminology)
64   * @return none.
65   *
66   */
67  
68  void arm_svm_rbf_init_f32(arm_svm_rbf_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 gamma
76    )
77  {
78     S->nbOfSupportVectors = nbOfSupportVectors;
79     S->vectorDimension = vectorDimension;
80     S->intercept = intercept;
81     S->dualCoefficients = dualCoefficients;
82     S->supportVectors = supportVectors;
83     S->classes = classes;
84     S->gamma = gamma;
85  }
86  
87  
88  
89  /**
90   * @} end of rbfsvm group
91   */