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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 09:54:11 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-04-28 09:54:11 +0200 |
commit | 13fc6703862862f4263d8d5d085b7a16b87190e1 (patch) | |
tree | 47f3a17cb6f38b1aafe22e1cdef085cd73cd3a1d /apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c | |
parent | f57439b90e23de260259dec051d3e2ead2d61c8c (diff) | |
download | px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.tar.gz px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.tar.bz2 px4-firmware-13fc6703862862f4263d8d5d085b7a16b87190e1.zip |
Moved last libs, drivers and headers, cleaned up IO build
Diffstat (limited to 'apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c')
-rw-r--r-- | apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c b/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c deleted file mode 100644 index adbc7d0c0..000000000 --- a/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_q7.c +++ /dev/null @@ -1,126 +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_q7.c
-*
-* Description: Q7 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 Q7 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 Q7 range [0x80 0x7F] will be saturated.
- */
-
-void arm_sub_q7(
- q7_t * pSrcA,
- q7_t * pSrcB,
- q7_t * pDst,
- uint32_t blockSize)
-{
- uint32_t blkCnt; /* loop counter */
-
-#ifndef ARM_MATH_CM0
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
-
- /*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 4 samples at a time. */
- *__SIMD32(pDst)++ = __QSUB8(*__SIMD32(pSrcA)++, *__SIMD32(pSrcB)++);
-
- /* 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++ = __SSAT(*pSrcA++ - *pSrcB++, 8);
-
- /* 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++ = (q7_t) __SSAT((q15_t) * pSrcA++ - *pSrcB++, 8);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
-#endif /* #ifndef ARM_MATH_CM0 */
-
-
-}
-
-/**
- * @} end of BasicSub group
- */
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