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_mult_q31.c | 143 --------------------- 1 file changed, 143 deletions(-) delete mode 100644 src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_mult_q31.c (limited to 'src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_mult_q31.c') diff --git a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_mult_q31.c b/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_mult_q31.c deleted file mode 100644 index 37ec8e25e..000000000 --- a/src/modules/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_mult_q31.c +++ /dev/null @@ -1,143 +0,0 @@ -/* ---------------------------------------------------------------------- -* Copyright (C) 2010 ARM Limited. All rights reserved. -* -* $Date: 15. February 2012 -* $Revision: V1.1.0 -* -* Project: CMSIS DSP Library -* Title: arm_mult_q31.c -* -* Description: Q31 vector multiplication. -* -* 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 0.0.5 2010/04/26 -* incorporated review comments and updated with latest CMSIS layer -* -* Version 0.0.3 2010/03/10 -* Initial version -* -------------------------------------------------------------------- */ - -#include "arm_math.h" - -/** - * @ingroup groupMath - */ - -/** - * @addtogroup BasicMult - * @{ - */ - -/** - * @brief Q31 vector multiplication. - * @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 Q31 range[0x80000000 0x7FFFFFFF] will be saturated. - */ - -void arm_mult_q31( - q31_t * pSrcA, - q31_t * pSrcB, - q31_t * pDst, - uint32_t blockSize) -{ - uint32_t blkCnt; /* loop counters */ - -#ifndef ARM_MATH_CM0 - -/* Run the below code for Cortex-M4 and Cortex-M3 */ - q31_t inA1, inA2, inA3, inA4; /* temporary input variables */ - q31_t inB1, inB2, inB3, inB4; /* temporary input variables */ - q31_t out1, out2, out3, out4; /* temporary output 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 * B */ - /* Multiply the inputs and then store the results in the destination buffer. */ - inA1 = *pSrcA++; - inA2 = *pSrcA++; - inA3 = *pSrcA++; - inA4 = *pSrcA++; - inB1 = *pSrcB++; - inB2 = *pSrcB++; - inB3 = *pSrcB++; - inB4 = *pSrcB++; - - out1 = ((q63_t) inA1 * inB1) >> 32; - out2 = ((q63_t) inA2 * inB2) >> 32; - out3 = ((q63_t) inA3 * inB3) >> 32; - out4 = ((q63_t) inA4 * inB4) >> 32; - - out1 = __SSAT(out1, 31); - out2 = __SSAT(out2, 31); - out3 = __SSAT(out3, 31); - out4 = __SSAT(out4, 31); - - *pDst++ = out1 << 1u; - *pDst++ = out2 << 1u; - *pDst++ = out3 << 1u; - *pDst++ = out4 << 1u; - - /* Decrement the blockSize 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 */ - - while(blkCnt > 0u) - { - /* C = A * B */ - /* Multiply the inputs and then store the results in the destination buffer. */ - *pDst++ = - (q31_t) clip_q63_to_q31(((q63_t) (*pSrcA++) * (*pSrcB++)) >> 31); - - /* Decrement the blockSize loop counter */ - blkCnt--; - } -} - -/** - * @} end of BasicMult group - */ -- cgit v1.2.3