diff options
Diffstat (limited to 'hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c')
-rw-r--r-- | hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c b/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c deleted file mode 100644 index e5a8f24..0000000 --- a/hid-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_q7.c +++ /dev/null @@ -1,115 +0,0 @@ -/* ----------------------------------------------------------------------
- * Project: CMSIS DSP Library
- * Title: arm_mult_q7.c
- * Description: Q7 vector multiplication
- *
- * $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 BasicMult
- * @{
- */
-
-/**
- * @brief Q7 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.
- *
- * <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_mult_q7(
- q7_t * pSrcA,
- q7_t * pSrcB,
- q7_t * pDst,
- uint32_t blockSize)
-{
- uint32_t blkCnt; /* loop counters */
-
-#if defined (ARM_MATH_DSP)
-
-/* Run the below code for Cortex-M4 and Cortex-M3 */
- q7_t out1, out2, out3, out4; /* Temporary variables to store the product */
-
- /* 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 store the results in temporary variables */
- out1 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
- out2 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
- out3 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
- out4 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-
- /* Store the results of 4 inputs in the destination buffer in single cycle by packing */
- *__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4);
-
- /* 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 /* #if defined (ARM_MATH_DSP) */
-
-
- while (blkCnt > 0U)
- {
- /* C = A * B */
- /* Multiply the inputs and store the result in the destination buffer */
- *pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++)) >> 7), 8);
-
- /* Decrement the blockSize loop counter */
- blkCnt--;
- }
-}
-
-/**
- * @} end of BasicMult group
- */
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