Cleans up quantum/keymap situation, removes extra lufa folders (#416)

[qmk_firmware.git] / tmk_core / tool / mbed / mbed-sdk / libraries / dsp / cmsis_dsp / StatisticsFunctions / arm_mean_q31.c

diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c b/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c
deleted file mode 100644 (file)
index 5d41bde..0000000
--- a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/StatisticsFunctions/arm_mean_q31.c
+++ /dev/null
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-/* ----------------------------------------------------------------------    
-* Copyright (C) 2010-2013 ARM Limited. All rights reserved.    
-*    
-* $Date:        17. January 2013
-* $Revision:   V1.4.1  
-*    
-* Project:         CMSIS DSP Library    
-* Title:               arm_mean_q31.c    
-*    
-* Description: Mean value of a Q31 vector.   
-*    
-* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
-*  
-* Redistribution and use in source and binary forms, with or without 
-* modification, are permitted provided that the following conditions
-* are met:
-*   - Redistributions of source code must retain the above copyright
-*     notice, this list of conditions and the following disclaimer.
-*   - Redistributions in binary form must reproduce the above copyright
-*     notice, this list of conditions and the following disclaimer in
-*     the documentation and/or other materials provided with the 
-*     distribution.
-*   - Neither the name of ARM LIMITED nor the names of its contributors
-*     may be used to endorse or promote products derived from this
-*     software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 
-* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-* POSSIBILITY OF SUCH DAMAGE.   
-* -------------------------------------------------------------------- */
-
-#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 */
-
-#ifndef ARM_MATH_CM0_FAMILY
-
-  /* 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 /* #ifndef ARM_MATH_CM0_FAMILY */
-
-  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    
- */