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
arm_svm_rbf_init_f16(arm_svm_rbf_instance_f16 * S,uint32_t nbOfSupportVectors,uint32_t vectorDimension,float16_t intercept,const float16_t * dualCoefficients,const float16_t * supportVectors,const int32_t * classes,float16_t gamma)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
98
