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 --- .../ComplexMathFunctions/arm_cmplx_conj_q31.c | 172 --------------------- 1 file changed, 172 deletions(-) delete mode 100644 src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c (limited to 'src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c') diff --git a/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c b/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c deleted file mode 100644 index 7475962d5..000000000 --- a/src/modules/mathlib/CMSIS/DSP_Lib/Source/ComplexMathFunctions/arm_cmplx_conj_q31.c +++ /dev/null @@ -1,172 +0,0 @@ -/* ---------------------------------------------------------------------- -* Copyright (C) 2010 ARM Limited. All rights reserved. -* -* $Date: 15. February 2012 -* $Revision: V1.1.0 -* -* Project: CMSIS DSP Library -* Title: arm_cmplx_conj_q31.c -* -* Description: Q31 complex conjugate. -* -* 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. -* ---------------------------------------------------------------------------- */ -#include "arm_math.h" - -/** - * @ingroup groupCmplxMath - */ - -/** - * @addtogroup cmplx_conj - * @{ - */ - -/** - * @brief Q31 complex conjugate. - * @param *pSrc points to the input vector - * @param *pDst points to the output vector - * @param numSamples number of complex samples in each vector - * @return none. - * - * Scaling and Overflow Behavior: - * \par - * The function uses saturating arithmetic. - * The Q31 value -1 (0x80000000) will be saturated to the maximum allowable positive value 0x7FFFFFFF. - */ - -void arm_cmplx_conj_q31( - q31_t * pSrc, - q31_t * pDst, - uint32_t numSamples) -{ - uint32_t blkCnt; /* loop counter */ - q31_t in; /* Input value */ - -#ifndef ARM_MATH_CM0 - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - q31_t inR1, inR2, inR3, inR4; /* Temporary real variables */ - q31_t inI1, inI2, inI3, inI4; /* Temporary imaginary variables */ - - /*loop Unrolling */ - blkCnt = numSamples >> 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[0]+jC[1] = A[0]+ j (-1) A[1] */ - /* Calculate Complex Conjugate and then store the results in the destination buffer. */ - /* Saturated to 0x7fffffff if the input is -1(0x80000000) */ - /* read real input sample */ - inR1 = pSrc[0]; - /* store real input sample */ - pDst[0] = inR1; - - /* read imaginary input sample */ - inI1 = pSrc[1]; - - /* read real input sample */ - inR2 = pSrc[2]; - /* store real input sample */ - pDst[2] = inR2; - - /* read imaginary input sample */ - inI2 = pSrc[3]; - - /* negate imaginary input sample */ - inI1 = __QSUB(0, inI1); - - /* read real input sample */ - inR3 = pSrc[4]; - /* store real input sample */ - pDst[4] = inR3; - - /* read imaginary input sample */ - inI3 = pSrc[5]; - - /* negate imaginary input sample */ - inI2 = __QSUB(0, inI2); - - /* read real input sample */ - inR4 = pSrc[6]; - /* store real input sample */ - pDst[6] = inR4; - - /* negate imaginary input sample */ - inI3 = __QSUB(0, inI3); - - /* store imaginary input sample */ - inI4 = pSrc[7]; - - /* store imaginary input samples */ - pDst[1] = inI1; - - /* negate imaginary input sample */ - inI4 = __QSUB(0, inI4); - - /* store imaginary input samples */ - pDst[3] = inI2; - - /* increment source pointer by 8 to proecess next samples */ - pSrc += 8u; - - /* store imaginary input samples */ - pDst[5] = inI3; - pDst[7] = inI4; - - /* increment destination pointer by 8 to process next samples */ - pDst += 8u; - - /* Decrement the loop counter */ - blkCnt--; - } - - /* If the numSamples is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = numSamples % 0x4u; - -#else - - /* Run the below code for Cortex-M0 */ - blkCnt = numSamples; - - -#endif /* #ifndef ARM_MATH_CM0 */ - - while(blkCnt > 0u) - { - /* C[0]+jC[1] = A[0]+ j (-1) A[1] */ - /* Calculate Complex Conjugate and then store the results in the destination buffer. */ - /* Saturated to 0x7fffffff if the input is -1(0x80000000) */ - *pDst++ = *pSrc++; - in = *pSrc++; - *pDst++ = (in == 0x80000000) ? 0x7fffffff : -in; - - /* Decrement the loop counter */ - blkCnt--; - } -} - -/** - * @} end of cmplx_conj group - */ -- cgit v1.2.3