arm_svm_rbf_init_f32.c 2.5 KB

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  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. #include "dsp/svm_functions.h"
  29. #include <limits.h>
  30. #include <math.h>
  31. /**
  32. @ingroup groupSVM
  33. */
  34. /**
  35. @defgroup rbfsvm RBF SVM
  36. RBF SVM classifier
  37. */
  38. /**
  39. * @addtogroup rbfsvm
  40. * @{
  41. */
  42. /**
  43. * @brief SVM radial basis function instance init function
  44. *
  45. * Classes are integer used as output of the function (instead of having -1,1
  46. * as class values).
  47. *
  48. * @param[in] S points to an instance of the polynomial SVM structure.
  49. * @param[in] nbOfSupportVectors Number of support vectors
  50. * @param[in] vectorDimension Dimension of vector space
  51. * @param[in] intercept Intercept
  52. * @param[in] dualCoefficients Array of dual coefficients
  53. * @param[in] supportVectors Array of support vectors
  54. * @param[in] classes Array of 2 classes ID
  55. * @param[in] gamma gamma (scikit-learn terminology)
  56. * @return none.
  57. *
  58. */
  59. void arm_svm_rbf_init_f32(arm_svm_rbf_instance_f32 *S,
  60. uint32_t nbOfSupportVectors,
  61. uint32_t vectorDimension,
  62. float32_t intercept,
  63. const float32_t *dualCoefficients,
  64. const float32_t *supportVectors,
  65. const int32_t *classes,
  66. float32_t gamma
  67. )
  68. {
  69. S->nbOfSupportVectors = nbOfSupportVectors;
  70. S->vectorDimension = vectorDimension;
  71. S->intercept = intercept;
  72. S->dualCoefficients = dualCoefficients;
  73. S->supportVectors = supportVectors;
  74. S->classes = classes;
  75. S->gamma = gamma;
  76. }
  77. /**
  78. * @} end of rbfsvm group
  79. */