From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001 From: jaseg Date: Sun, 20 Dec 2020 15:18:02 +0100 Subject: Submodule-cache WIP --- .../DSP/Source/BasicMathFunctions/arm_scale_f32.c | 157 --------------------- 1 file changed, 157 deletions(-) delete mode 100644 fw/cdc-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f32.c (limited to 'fw/cdc-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f32.c') diff --git a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f32.c b/fw/cdc-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f32.c deleted file mode 100644 index 0fc3204..0000000 --- a/fw/cdc-dials/Drivers/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f32.c +++ /dev/null @@ -1,157 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_scale_f32.c - * Description: Multiplies a floating-point vector by a scalar - * - * $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 - */ - -/** - * @defgroup scale Vector Scale - * - * Multiply a vector by a scalar value. For floating-point data, the algorithm used is: - * - *
- *     pDst[n] = pSrc[n] * scale,   0 <= n < blockSize.
- * 
- * - * In the fixed-point Q7, Q15, and Q31 functions, scale is represented by - * a fractional multiplication scaleFract and an arithmetic shift shift. - * The shift allows the gain of the scaling operation to exceed 1.0. - * The algorithm used with fixed-point data is: - * - *
- *     pDst[n] = (pSrc[n] * scaleFract) << shift,   0 <= n < blockSize.
- * 
- * - * The overall scale factor applied to the fixed-point data is - *
- *     scale = scaleFract * 2^shift.
- * 
- * - * The functions support in-place computation allowing the source and destination - * pointers to reference the same memory buffer. - */ - -/** - * @addtogroup scale - * @{ - */ - -/** - * @brief Multiplies a floating-point vector by a scalar. - * @param[in] *pSrc points to the input vector - * @param[in] scale scale factor to be applied - * @param[out] *pDst points to the output vector - * @param[in] blockSize number of samples in the vector - * @return none. - */ - - -void arm_scale_f32( - float32_t * pSrc, - float32_t scale, - float32_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 */ - float32_t in1, in2, in3, in4; /* temporary variabels */ - - /*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 * scale */ - /* Scale the input and then store the results in the destination buffer. */ - /* read input samples from source */ - in1 = *pSrc; - in2 = *(pSrc + 1); - - /* multiply with scaling factor */ - in1 = in1 * scale; - - /* read input sample from source */ - in3 = *(pSrc + 2); - - /* multiply with scaling factor */ - in2 = in2 * scale; - - /* read input sample from source */ - in4 = *(pSrc + 3); - - /* multiply with scaling factor */ - in3 = in3 * scale; - in4 = in4 * scale; - /* store the result to destination */ - *pDst = in1; - *(pDst + 1) = in2; - *(pDst + 2) = in3; - *(pDst + 3) = in4; - - /* update pointers to process next samples */ - pSrc += 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 /* #if defined (ARM_MATH_DSP) */ - - while (blkCnt > 0U) - { - /* C = A * scale */ - /* Scale the input and then store the result in the destination buffer. */ - *pDst++ = (*pSrc++) * scale; - - /* Decrement the loop counter */ - blkCnt--; - } -} - -/** - * @} end of scale group - */ -- cgit