diff options
Diffstat (limited to 'apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_f32.c')
-rw-r--r-- | apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_f32.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_f32.c b/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_f32.c deleted file mode 100644 index 4a660db49..000000000 --- a/apps/mathlib/CMSIS/DSP_Lib/Source/BasicMathFunctions/arm_sub_f32.c +++ /dev/null @@ -1,145 +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_f32.c
-*
-* Description: Floating-point 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
- */
-
-/**
- * @defgroup BasicSub Vector Subtraction
- *
- * Element-by-element subtraction of two vectors.
- *
- * <pre>
- * pDst[n] = pSrcA[n] - pSrcB[n], 0 <= n < blockSize.
- * </pre>
- *
- * There are separate functions for floating-point, Q7, Q15, and Q31 data types.
- */
-
-/**
- * @addtogroup BasicSub
- * @{
- */
-
-
-/**
- * @brief Floating-point 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.
- */
-
-void arm_sub_f32(
- float32_t * pSrcA,
- float32_t * pSrcB,
- float32_t * pDst,
- uint32_t blockSize)
-{
- uint32_t blkCnt; /* loop counter */
-
-#ifndef ARM_MATH_CM0
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
- float32_t inA1, inA2, inA3, inA4; /* temporary variables */
- float32_t inB1, inB2, inB3, inB4; /* temporary 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 */
- /* Subtract and then store the results in the destination buffer. */
- /* Read 4 input samples from sourceA and sourceB */
- inA1 = *pSrcA;
- inB1 = *pSrcB;
- inA2 = *(pSrcA + 1);
- inB2 = *(pSrcB + 1);
- inA3 = *(pSrcA + 2);
- inB3 = *(pSrcB + 2);
- inA4 = *(pSrcA + 3);
- inB4 = *(pSrcB + 3);
-
- /* dst = srcA - srcB */
- /* subtract and store the result */
- *pDst = inA1 - inB1;
- *(pDst + 1) = inA2 - inB2;
- *(pDst + 2) = inA3 - inB3;
- *(pDst + 3) = inA4 - inB4;
-
-
- /* Update pointers to process next sampels */
- pSrcA += 4u;
- pSrcB += 4u;
- pDst += 4u;
-
- /* 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;
-
-#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 */
- /* Subtract and then store the results in the destination buffer. */
- *pDst++ = (*pSrcA++) - (*pSrcB++);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-}
-
-/**
- * @} end of BasicSub group
- */
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