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diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c b/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c
deleted file mode 100644
index def314a..0000000
--- a/hid-dials/Drivers/CMSIS/DSP/Source/StatisticsFunctions/arm_mean_q31.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/* ----------------------------------------------------------------------

- * Project:      CMSIS DSP Library

- * Title:        arm_mean_q31.c

- * Description:  Mean value of a Q31 vector

- *

- * $Date:        27. January 2017

- * $Revision:    V.1.5.1

- *

- * Target Processor: Cortex-M cores

- * -------------------------------------------------------------------- */

-/*

- * Copyright (C) 2010-2017 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 "arm_math.h"

-

-/**

- * @ingroup groupStats

- */

-

-/**

- * @addtogroup mean

- * @{

- */

-

-

-/**

- * @brief Mean value of a Q31 vector.

- * @param[in]       *pSrc points to the input vector

- * @param[in]       blockSize length of the input vector

- * @param[out]      *pResult mean value returned here

- * @return none.

- *

- * @details

- * <b>Scaling and Overflow Behavior:</b>

- *\par

- * The function is implemented using a 64-bit internal accumulator.

- * The input is represented in 1.31 format and is accumulated in a 64-bit

- * accumulator in 33.31 format.

- * There is no risk of internal overflow with this approach, and the

- * full precision of intermediate result is preserved.

- * Finally, the accumulator is truncated to yield a result of 1.31 format.

- *

- */

-

-void arm_mean_q31(

-  q31_t * pSrc,

-  uint32_t blockSize,

-  q31_t * pResult)

-{

-  q63_t sum = 0;                                 /* Temporary result storage */

-  uint32_t blkCnt;                               /* loop counter */

-

-#if defined (ARM_MATH_DSP)

-  /* Run the below code for Cortex-M4 and Cortex-M3 */

-

-  q31_t in1, in2, in3, in4;

-

-  /*loop Unrolling */

-  blkCnt = blockSize >> 2U;

-

-  /* First part of the processing with loop unrolling.  Compute 4 outputs at a time.

-   ** a second loop below computes the remaining 1 to 3 samples. */

-  while (blkCnt > 0U)

-  {

-    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */

-    in1 = *pSrc++;

-    in2 = *pSrc++;

-    in3 = *pSrc++;

-    in4 = *pSrc++;

-

-    sum += in1;

-    sum += in2;

-    sum += in3;

-    sum += in4;

-

-    /* Decrement the loop counter */

-    blkCnt--;

-  }

-

-  /* If the blockSize is not a multiple of 4, compute any remaining output samples here.

-   ** No loop unrolling is used. */

-  blkCnt = blockSize % 0x4U;

-

-#else

-  /* Run the below code for Cortex-M0 */

-

-  /* Loop over blockSize number of values */

-  blkCnt = blockSize;

-

-#endif /* #if defined (ARM_MATH_DSP) */

-

-  while (blkCnt > 0U)

-  {

-    /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) */

-    sum += *pSrc++;

-

-    /* Decrement the loop counter */

-    blkCnt--;

-  }

-

-  /* C = (A[0] + A[1] + A[2] + ... + A[blockSize-1]) / blockSize  */

-  /* Store the result to the destination */

-  *pResult = (q31_t) (sum / (int32_t) blockSize);

-}

-

-/**

- * @} end of mean group

- */