1  /* ----------------------------------------------------------------------
 2   * Project:      CMSIS DSP Library
 3   * Title:        arm_svm_sigmoid_predict_f16.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_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 sigmoidsvm Sigmoid SVM
42  
43    Sigmoid SVM classifier
44   */
45  
46  /**
47   * @addtogroup sigmoidsvm
48   * @{
49   */
50  
51  
52  /**
53   * @brief        SVM sigmoid instance init function
54   *
55   * Classes are integer used as output of the function (instead of having -1,1
56   * as class values).
57   *
58   * @param[in]    S                      points to an instance of the rbf SVM structure.
59   * @param[in]    nbOfSupportVectors     Number of support vectors
60   * @param[in]    vectorDimension        Dimension of vector space
61   * @param[in]    intercept              Intercept
62   * @param[in]    dualCoefficients       Array of dual coefficients
63   * @param[in]    supportVectors         Array of support vectors
64   * @param[in]    classes                Array of 2 classes ID
65   * @param[in]    coef0                  coeff0 (scikit-learn terminology)
66   * @param[in]    gamma                  gamma (scikit-learn terminology)
67   * @return none.
68   *
69   */
70  
71  void arm_svm_sigmoid_init_f16(arm_svm_sigmoid_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 coef0,
79    float16_t gamma
80    )
81  {
82     S->nbOfSupportVectors = nbOfSupportVectors;
83     S->vectorDimension = vectorDimension;
84     S->intercept = intercept;
85     S->dualCoefficients = dualCoefficients;
86     S->supportVectors = supportVectors;
87     S->classes = classes;
88     S->coef0 = coef0;
89     S->gamma = gamma;
90  }
91  
92  
93  /**
94   * @} end of sigmoidsvm group
95   */
96  
97  #endif /* #if defined(ARM_FLOAT16_SUPPORTED) */ 
98