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

[qmk_firmware.git] / tmk_core / tool / mbed / mbed-sdk / libraries / dsp / cmsis_dsp / BasicMathFunctions / arm_negate_q15.c

diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c b/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c
deleted file mode 100644 (file)
index b55e0cd..0000000
--- a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/BasicMathFunctions/arm_negate_q15.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* ----------------------------------------------------------------------    
-* Copyright (C) 2010-2013 ARM Limited. All rights reserved.    
-*    
-* $Date:        17. January 2013
-* $Revision:   V1.4.1
-*    
-* Project:         CMSIS DSP Library    
-* Title:               arm_negate_q15.c    
-*    
-* Description: Negates Q15 vectors.    
-*    
-* 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 groupMath        
- */
-
-/**        
- * @addtogroup negate        
- * @{        
- */
-
-/**        
- * @brief  Negates the elements of a Q15 vector.        
- * @param[in]  *pSrc points to the input vector        
- * @param[out]  *pDst points to the output vector        
- * @param[in]  blockSize number of samples in the vector        
- * @return none.        
- *    
- * \par Conditions for optimum performance    
- *  Input and output buffers should be aligned by 32-bit    
- *    
- *        
- * <b>Scaling and Overflow Behavior:</b>        
- * \par        
- * The function uses saturating arithmetic.        
- * The Q15 value -1 (0x8000) will be saturated to the maximum allowable positive value 0x7FFF.        
- */
-
-void arm_negate_q15(
-  q15_t * pSrc,
-  q15_t * pDst,
-  uint32_t blockSize)
-{
-  uint32_t blkCnt;                               /* loop counter */
-  q15_t in;
-
-#ifndef ARM_MATH_CM0_FAMILY
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
-
-  q31_t in1, in2;                                /* Temporary variables */
-
-
-  /*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 */
-    /* Read two inputs at a time */
-    in1 = _SIMD32_OFFSET(pSrc);
-    in2 = _SIMD32_OFFSET(pSrc + 2);
-
-    /* negate two samples at a time */
-    in1 = __QSUB16(0, in1);
-
-    /* negate two samples at a time */
-    in2 = __QSUB16(0, in2);
-
-    /* store the result to destination 2 samples at a time */
-    _SIMD32_OFFSET(pDst) = in1;
-    /* store the result to destination 2 samples at a time */
-    _SIMD32_OFFSET(pDst + 2) = in2;
-
-
-    /* update pointers to process next samples */
-    pSrc += 4u;
-    pDst += 4u;
-
-    /* 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 */
-
-  /* Initialize blkCnt with number of samples */
-  blkCnt = blockSize;
-
-#endif /* #ifndef ARM_MATH_CM0_FAMILY */
-
-  while(blkCnt > 0u)
-  {
-    /* C = -A */
-    /* Negate and then store the result in the destination buffer. */
-    in = *pSrc++;
-    *pDst++ = (in == (q15_t) 0x8000) ? 0x7fff : -in;
-
-    /* Decrement the loop counter */
-    blkCnt--;
-  }
-}
-
-/**        
- * @} end of negate group        
- */