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author | jaseg <git@jaseg.net> | 2020-10-14 12:47:28 +0200 |
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committer | jaseg <git@jaseg.net> | 2020-10-14 12:47:28 +0200 |
commit | 6ab94e0b318884bbcb95e2ea3835f951502e1d99 (patch) | |
tree | 4cc5794b89f89c55ff8370ae252518ab96b5fed3 /hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c | |
parent | 1e6e8a2062923b434b2f4f5f2a9f8c0098135b01 (diff) | |
download | minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.tar.gz minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.tar.bz2 minikbd-6ab94e0b318884bbcb95e2ea3835f951502e1d99.zip |
Move firmware into subdirectory
Diffstat (limited to 'hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c')
-rw-r--r-- | hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c b/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c deleted file mode 100644 index 1c83aae..0000000 --- a/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_q31.c +++ /dev/null @@ -1,134 +0,0 @@ -/* ----------------------------------------------------------------------
- * Project: CMSIS DSP Library
- * Title: arm_sub_q31.c
- * Description: Q31 vector subtraction
- *
- * $Date: 27. January 2017
- * $Revision: V.1.5.1
- *
- * Target Processor: Cortex-M cores
- * -------------------------------------------------------------------- */
-/*
- * Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved.
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the License); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "arm_math.h"
-
-/**
- * @ingroup groupMath
- */
-
-/**
- * @addtogroup BasicSub
- * @{
- */
-
-/**
- * @brief Q31 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 Q31 range [0x80000000 0x7FFFFFFF] will be saturated.
- */
-
-void arm_sub_q31(
- q31_t * pSrcA,
- q31_t * pSrcB,
- q31_t * pDst,
- uint32_t blockSize)
-{
- uint32_t blkCnt; /* loop counter */
-
-
-#if defined (ARM_MATH_DSP)
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
- q31_t inA1, inA2, inA3, inA4;
- q31_t inB1, inB2, inB3, inB4;
-
- /*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. */
- inA1 = *pSrcA++;
- inA2 = *pSrcA++;
- inB1 = *pSrcB++;
- inB2 = *pSrcB++;
-
- inA3 = *pSrcA++;
- inA4 = *pSrcA++;
- inB3 = *pSrcB++;
- inB4 = *pSrcB++;
-
- *pDst++ = __QSUB(inA1, inB1);
- *pDst++ = __QSUB(inA2, inB2);
- *pDst++ = __QSUB(inA3, inB3);
- *pDst++ = __QSUB(inA4, inB4);
-
- /* 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++ = __QSUB(*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++ = (q31_t) clip_q63_to_q31((q63_t) * pSrcA++ - *pSrcB++);
-
- /* Decrement the loop counter */
- blkCnt--;
- }
-
-#endif /* #if defined (ARM_MATH_DSP) */
-
-}
-
-/**
- * @} end of BasicSub group
- */
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