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CMSIS/DSP/Source/SVMFunctions/arm_svm_sigmoid_init_f32.c

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+/* ----------------------------------------------------------------------
+ * Project:      CMSIS DSP Library
+ * Title:        arm_svm_sigmoid_predict_f32.c
+ * Description:  SVM Sigmoid Instance Initialization
+ *
+ * $Date:        23 April 2021
+ * $Revision:    V1.9.0
+ *
+ * Target Processor: Cortex-M and Cortex-A cores
+ * -------------------------------------------------------------------- */
+/*
+ * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "dsp/svm_functions.h"
+#include <limits.h>
+#include <math.h>
+
+/**
+  @ingroup groupSVM
+ */
+
+/**
+  @defgroup sigmoidsvm Sigmoid SVM
+
+  Sigmoid SVM classifier
+ */
+
+/**
+ * @addtogroup sigmoidsvm
+ * @{
+ */
+
+
+/**
+ * @brief        SVM sigmoid instance init function
+ *
+ * Classes are integer used as output of the function (instead of having -1,1
+ * as class values).
+ *
+ * @param[in]    S                      points to an instance of the rbf SVM structure.
+ * @param[in]    nbOfSupportVectors     Number of support vectors
+ * @param[in]    vectorDimension        Dimension of vector space
+ * @param[in]    intercept              Intercept
+ * @param[in]    dualCoefficients       Array of dual coefficients
+ * @param[in]    supportVectors         Array of support vectors
+ * @param[in]    classes                Array of 2 classes ID
+ * @param[in]    coef0                  coeff0 (scikit-learn terminology)
+ * @param[in]    gamma                  gamma (scikit-learn terminology)
+ * @return none.
+ *
+ */
+
+void arm_svm_sigmoid_init_f32(arm_svm_sigmoid_instance_f32 *S, 
+  uint32_t nbOfSupportVectors,
+  uint32_t vectorDimension,
+  float32_t intercept,
+  const float32_t *dualCoefficients,
+  const float32_t *supportVectors,
+  const int32_t *classes,
+  float32_t coef0,
+  float32_t gamma
+  )
+{
+   S->nbOfSupportVectors = nbOfSupportVectors;
+   S->vectorDimension = vectorDimension;
+   S->intercept = intercept;
+   S->dualCoefficients = dualCoefficients;
+   S->supportVectors = supportVectors;
+   S->classes = classes;
+   S->coef0 = coef0;
+   S->gamma = gamma;
+}
+
+
+/**
+ * @} end of sigmoidsvm group
+ */