text: #include "edge-impulse-sdk/dsp/config.hpp"
  #if EIDSP_LOAD_CMSIS_DSP_SOURCES
  
  /* ----------------------------------------------------------------------
   * Project:      CMSIS DSP Library
   * Title:        arm_sokalmichener_distance.c
   * Description:  Sokal-Michener distance between two vectors
   *
   *
   * Target Processor: Cortex-M cores
   * -------------------------------------------------------------------- */
  /*
   * Copyright (C) 2010-2019 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 "edge-impulse-sdk/CMSIS/DSP/Include/dsp/distance_functions.h"
  #include <limits.h>
  #include <math.h>
  
  
  extern void arm_boolean_distance_TT_FF_TF_FT(const uint32_t *pA
         , const uint32_t *pB
         , uint32_t numberOfBools
         , uint32_t *cTT
         , uint32_t *cFF
         , uint32_t *cTF
         , uint32_t *cFT
         );
  
  
  /**
    @addtogroup BoolDist
    @{
   */
  
  /**
   * @brief        Sokal-Michener distance between two vectors
   *
   * @param[in]    pA              First vector of packed booleans
   * @param[in]    pB              Second vector of packed booleans
   * @param[in]    numberOfBools   Number of booleans
   * @return distance
   *
   */
  
  float32_t arm_sokalmichener_distance(const uint32_t *pA, const uint32_t *pB, uint32_t numberOfBools)
  {
      uint32_t ctt=0,cff=0,cft=0,ctf=0;
      float32_t r,s;
  
      arm_boolean_distance_TT_FF_TF_FT(pA, pB, numberOfBools, &ctt, &cff, &ctf, &cft);
  
     r = 2.0*(ctf + cft);
     s = 1.0*(cff + ctt);
  
      return(r / (s+r));
  }
  
  
  /**
   * @} end of BoolDist group
   */
  
  #endif // EIDSP_LOAD_CMSIS_DSP_SOURCES
  