From 5576e321fa8cd027b15deeb15b7ca05541fde4fe Mon Sep 17 00:00:00 2001 From: px4dev Date: Mon, 20 May 2013 00:30:43 +0200 Subject: Use the new prebuilt-library support to wrap the ARM CMSIS DSP library, and update to the version shipped with CMSIS 3.0 r3p2 --- .../Source/BasicMathFunctions/arm_sub_q15.c | 135 --------------------- 1 file changed, 135 deletions(-) delete mode 100644 src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q15.c (limited to 'src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q15.c') diff --git a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q15.c b/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q15.c deleted file mode 100644 index d8cc12220..000000000 --- a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q15.c +++ /dev/null @@ -1,135 +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_q15.c -* -* Description: Q15 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 Q15 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. - * - * Scaling and Overflow Behavior: - * \par - * The function uses saturating arithmetic. - * Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated. - */ - -void arm_sub_q15( - q15_t * pSrcA, - q15_t * pSrcB, - q15_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; - q31_t inB1, inB2; - - /*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 two samples at a time. */ - inA1 = *__SIMD32(pSrcA)++; - inA2 = *__SIMD32(pSrcA)++; - inB1 = *__SIMD32(pSrcB)++; - inB2 = *__SIMD32(pSrcB)++; - - *__SIMD32(pDst)++ = __QSUB16(inA1, inB1); - *__SIMD32(pDst)++ = __QSUB16(inA2, inB2); - - /* 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++ = (q15_t) __QSUB16(*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++ = (q15_t) __SSAT(((q31_t) * pSrcA++ - *pSrcB++), 16); - - /* Decrement the loop counter */ - blkCnt--; - } - -#endif /* #ifndef ARM_MATH_CM0 */ - - -} - -/** - * @} end of BasicSub group - */ -- cgit v1.2.3