1 files changed, 0 insertions, 141 deletions
diff --git a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q31.c b/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q31.c
deleted file mode 100644
index 34642f32e..000000000
--- a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q31.c
+++ /dev/null
@@ -1,141 +0,0 @@
-/* ----------------------------------------------------------------------    
-* Copyright (C) 2010 ARM Limited. All rights reserved.    
-*    
-* $Date:        15. February 2012  
-* $Revision: 	V1.1.0  
-*    
-* Project: 	    CMSIS DSP Library    
-* Title:		arm_sub_q31.c    
-*    
-* Description:	Q31 vector subtraction.    
-*    
-* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
-*  
-* Version 1.1.0 2012/02/15 
-*    Updated with more optimizations, bug fixes and minor API changes.  
-*   
-* Version 1.0.10 2011/7/15  
-*    Big Endian support added and Merged M0 and M3/M4 Source code.   
-*    
-* Version 1.0.3 2010/11/29   
-*    Re-organized the CMSIS folders and updated documentation.    
-*     
-* Version 1.0.2 2010/11/11    
-*    Documentation updated.     
-*    
-* Version 1.0.1 2010/10/05     
-*    Production release and review comments incorporated.    
-*    
-* Version 1.0.0 2010/09/20     
-*    Production release and review comments incorporated.    
-*    
-* Version 0.0.7  2010/06/10     
-*    Misra-C changes done    
-* -------------------------------------------------------------------- */
-
-#include "arm_math.h"
-
-/**    
- * @ingroup groupMath    
- */
-
-/**    
- * @addtogroup BasicSub    
- * @{    
- */
-
-/**    
- * @brief Q31 vector subtraction.    
- * @param[in]       *pSrcA points to the first input vector    
- * @param[in]       *pSrcB points to the second input vector    
- * @param[out]      *pDst points to the output vector    
- * @param[in]       blockSize number of samples in each vector    
- * @return none.    
- *    
- * <b>Scaling and Overflow Behavior:</b>    
- * \par    
- * The function uses saturating arithmetic.    
- * Results outside of the allowable Q31 range [0x80000000 0x7FFFFFFF] will be saturated.    
- */
-
-void arm_sub_q31(
-  q31_t * pSrcA,
-  q31_t * pSrcB,
-  q31_t * pDst,
-  uint32_t blockSize)
-{
-  uint32_t blkCnt;                               /* loop counter */
-
-
-#ifndef ARM_MATH_CM0
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
-  q31_t inA1, inA2, inA3, inA4;
-  q31_t inB1, inB2, inB3, inB4;
-
-  /*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 - B */
-    /* Subtract and then store the results in the destination buffer. */
-    inA1 = *pSrcA++;
-    inA2 = *pSrcA++;
-    inB1 = *pSrcB++;
-    inB2 = *pSrcB++;
-
-    inA3 = *pSrcA++;
-    inA4 = *pSrcA++;
-    inB3 = *pSrcB++;
-    inB4 = *pSrcB++;
-
-    *pDst++ = __QSUB(inA1, inB1);
-    *pDst++ = __QSUB(inA2, inB2);
-    *pDst++ = __QSUB(inA3, inB3);
-    *pDst++ = __QSUB(inA4, inB4);
-
-    /* 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;
-
-  while(blkCnt > 0u)
-  {
-    /* C = A - B */
-    /* Subtract and then store the result in the destination buffer. */
-    *pDst++ = __QSUB(*pSrcA++, *pSrcB++);
-
-    /* Decrement the loop counter */
-    blkCnt--;
-  }
-
-#else
-
-  /* Run the below code for Cortex-M0 */
-
-  /* Initialize blkCnt with number of samples */
-  blkCnt = blockSize;
-
-  while(blkCnt > 0u)
-  {
-    /* C = A - B */
-    /* Subtract and then store the result in the destination buffer. */
-    *pDst++ = (q31_t) clip_q63_to_q31((q63_t) * pSrcA++ - *pSrcB++);
-
-    /* Decrement the loop counter */
-    blkCnt--;
-  }
-
-#endif /* #ifndef ARM_MATH_CM0 */
-
-}
-
-/**    
- * @} end of BasicSub group    
- */