From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001 From: jaseg Date: Wed, 14 Oct 2020 12:47:28 +0200 Subject: Move firmware into subdirectory --- .../DSP/Source/MatrixFunctions/arm_mat_scale_q31.c | 191 --------------------- 1 file changed, 191 deletions(-) delete mode 100644 cdc-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_scale_q31.c (limited to 'cdc-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_scale_q31.c') diff --git a/cdc-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_scale_q31.c b/cdc-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_scale_q31.c deleted file mode 100644 index 1b2b373..0000000 --- a/cdc-dials/Drivers/CMSIS/DSP/Source/MatrixFunctions/arm_mat_scale_q31.c +++ /dev/null @@ -1,191 +0,0 @@ -/* ---------------------------------------------------------------------- - * Project: CMSIS DSP Library - * Title: arm_mat_scale_q31.c - * Description: Multiplies a Q31 matrix 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 groupMatrix - */ - -/** - * @addtogroup MatrixScale - * @{ - */ - -/** - * @brief Q31 matrix scaling. - * @param[in] *pSrc points to input matrix - * @param[in] scaleFract fractional portion of the scale factor - * @param[in] shift number of bits to shift the result by - * @param[out] *pDst points to output matrix structure - * @return The function returns either - * ARM_MATH_SIZE_MISMATCH or ARM_MATH_SUCCESS based on the outcome of size checking. - * - * @details - * Scaling and Overflow Behavior: - * \par - * The input data *pSrc and scaleFract are in 1.31 format. - * These are multiplied to yield a 2.62 intermediate result and this is shifted with saturation to 1.31 format. - */ - -arm_status arm_mat_scale_q31( - const arm_matrix_instance_q31 * pSrc, - q31_t scaleFract, - int32_t shift, - arm_matrix_instance_q31 * pDst) -{ - q31_t *pIn = pSrc->pData; /* input data matrix pointer */ - q31_t *pOut = pDst->pData; /* output data matrix pointer */ - uint32_t numSamples; /* total number of elements in the matrix */ - int32_t totShift = shift + 1; /* shift to apply after scaling */ - uint32_t blkCnt; /* loop counters */ - arm_status status; /* status of matrix scaling */ - q31_t in1, in2, out1; /* temporary variabels */ - -#if defined (ARM_MATH_DSP) - - q31_t in3, in4, out2, out3, out4; /* temporary variables */ - -#endif // #ifndef ARM_MAT_CM0 - -#ifdef ARM_MATH_MATRIX_CHECK - /* Check for matrix mismatch */ - if ((pSrc->numRows != pDst->numRows) || (pSrc->numCols != pDst->numCols)) - { - /* Set status as ARM_MATH_SIZE_MISMATCH */ - status = ARM_MATH_SIZE_MISMATCH; - } - else -#endif // #ifdef ARM_MATH_MATRIX_CHECK - { - /* Total number of samples in the input matrix */ - numSamples = (uint32_t) pSrc->numRows * pSrc->numCols; - -#if defined (ARM_MATH_DSP) - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - /* Loop Unrolling */ - blkCnt = numSamples >> 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(m,n) = A(m,n) * k */ - /* Read values from input */ - in1 = *pIn; - in2 = *(pIn + 1); - in3 = *(pIn + 2); - in4 = *(pIn + 3); - - /* multiply input with scaler value */ - in1 = ((q63_t) in1 * scaleFract) >> 32; - in2 = ((q63_t) in2 * scaleFract) >> 32; - in3 = ((q63_t) in3 * scaleFract) >> 32; - in4 = ((q63_t) in4 * scaleFract) >> 32; - - /* apply shifting */ - out1 = in1 << totShift; - out2 = in2 << totShift; - - /* saturate the results. */ - if (in1 != (out1 >> totShift)) - out1 = 0x7FFFFFFF ^ (in1 >> 31); - - if (in2 != (out2 >> totShift)) - out2 = 0x7FFFFFFF ^ (in2 >> 31); - - out3 = in3 << totShift; - out4 = in4 << totShift; - - *pOut = out1; - *(pOut + 1) = out2; - - if (in3 != (out3 >> totShift)) - out3 = 0x7FFFFFFF ^ (in3 >> 31); - - if (in4 != (out4 >> totShift)) - out4 = 0x7FFFFFFF ^ (in4 >> 31); - - - *(pOut + 2) = out3; - *(pOut + 3) = out4; - - /* update pointers to process next sampels */ - pIn += 4U; - pOut += 4U; - - - /* Decrement the numSamples loop counter */ - blkCnt--; - } - - /* If the numSamples is not a multiple of 4, compute any remaining output samples here. - ** No loop unrolling is used. */ - blkCnt = numSamples % 0x4U; - -#else - - /* Run the below code for Cortex-M0 */ - - /* Initialize blkCnt with number of samples */ - blkCnt = numSamples; - -#endif /* #if defined (ARM_MATH_DSP) */ - - while (blkCnt > 0U) - { - /* C(m,n) = A(m,n) * k */ - /* Scale, saturate and then store the results in the destination buffer. */ - in1 = *pIn++; - - in2 = ((q63_t) in1 * scaleFract) >> 32; - - out1 = in2 << totShift; - - if (in2 != (out1 >> totShift)) - out1 = 0x7FFFFFFF ^ (in2 >> 31); - - *pOut++ = out1; - - /* Decrement the numSamples loop counter */ - blkCnt--; - } - - /* Set status as ARM_MATH_SUCCESS */ - status = ARM_MATH_SUCCESS; - } - - /* Return to application */ - return (status); -} - -/** - * @} end of MatrixScale group - */ -- cgit