1  /* ----------------------------------------------------------------------
 2   * Project:      CMSIS DSP Library
 3   * Title:        arm_svm_rbf_init_f16.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_f16.h"
30  
31  #if defined(ARM_FLOAT16_SUPPORTED)
32  
33  #include <limits.h>
34  #include <math.h>
35  
36  /**
37    @ingroup groupSVM
38   */
39  
40  /**
41    @defgroup rbfsvm RBF SVM
42  
43    RBF SVM classifier
44   */
45  
46  
47  /**
48   * @addtogroup rbfsvm
49   * @{
50   */
51  
52  
53  /**
54   * @brief        SVM radial basis function instance init function
55   *
56   * Classes are integer used as output of the function (instead of having -1,1
57   * as class values).
58   *
59   * @param[in]    S                      points to an instance of the polynomial SVM structure.
60   * @param[in]    nbOfSupportVectors     Number of support vectors
61   * @param[in]    vectorDimension        Dimension of vector space
62   * @param[in]    intercept              Intercept
63   * @param[in]    dualCoefficients       Array of dual coefficients
64   * @param[in]    supportVectors         Array of support vectors
65   * @param[in]    classes                Array of 2 classes ID
66   * @param[in]    gamma                  gamma (scikit-learn terminology)
67   * @return none.
68   *
69   */
70  
71  void arm_svm_rbf_init_f16(arm_svm_rbf_instance_f16 *S, 
72    uint32_t nbOfSupportVectors,
73    uint32_t vectorDimension,
74    float16_t intercept,
75    const float16_t *dualCoefficients,
76    const float16_t *supportVectors,
77    const int32_t *classes,
78    float16_t gamma
79    )
80  {
81     S->nbOfSupportVectors = nbOfSupportVectors;
82     S->vectorDimension = vectorDimension;
83     S->intercept = intercept;
84     S->dualCoefficients = dualCoefficients;
85     S->supportVectors = supportVectors;
86     S->classes = classes;
87     S->gamma = gamma;
88  }
89  
90  
91  
92  /**
93   * @} end of rbfsvm group
94   */
95  
96  #endif /* #if defined(ARM_FLOAT16_SUPPORTED) */ 
97