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authorAli Labbene <ali.labbene@st.com>2019-12-11 08:59:21 +0100
committerAli Labbene <ali.labbene@st.com>2019-12-16 16:35:24 +0100
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tree8a6e0dda832555c692307869aed49d07ee7facfe /DSP_Lib/Source/MatrixFunctions/arm_mat_trans_q15.c
parent76177aa280494bb36d7a0bcbda1078d4db717020 (diff)
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Official ARM version: v5.4.0
Add CMSIS V5.4.0, please refer to index.html available under \docs folder. Note: content of \CMSIS\Core\Include has been copied under \Include to keep the same structure used in existing projects, and thus avoid projects mass update Note: the following components have been removed from ARM original delivery (as not used in ST packages) - CMSIS_EW2018.pdf - .gitattributes - .gitignore - \Device - \CMSIS - \CoreValidation - \DAP - \Documentation - \DoxyGen - \Driver - \Pack - \RTOS\CMSIS_RTOS_Tutorial.pdf - \RTOS\RTX - \RTOS\Template - \RTOS2\RTX - \Utilities - All ARM/GCC projects files are deleted from \DSP, \RTOS and \RTOS2 Change-Id: Ia026c3f0f0d016627a4fb5a9032852c33d24b4d3
Diffstat (limited to 'DSP_Lib/Source/MatrixFunctions/arm_mat_trans_q15.c')
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diff --git a/DSP_Lib/Source/MatrixFunctions/arm_mat_trans_q15.c b/DSP_Lib/Source/MatrixFunctions/arm_mat_trans_q15.c
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-/* ----------------------------------------------------------------------
-* Copyright (C) 2010-2014 ARM Limited. All rights reserved.
-*
-* $Date: 19. March 2015
-* $Revision: V.1.4.5
-*
-* Project: CMSIS DSP Library
-* Title: arm_mat_trans_q15.c
-*
-* Description: Q15 matrix transpose.
-*
-* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions
-* are met:
-* - Redistributions of source code must retain the above copyright
-* notice, this list of conditions and the following disclaimer.
-* - Redistributions in binary form must reproduce the above copyright
-* notice, this list of conditions and the following disclaimer in
-* the documentation and/or other materials provided with the
-* distribution.
-* - Neither the name of ARM LIMITED nor the names of its contributors
-* may be used to endorse or promote products derived from this
-* software without specific prior written permission.
-*
-* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-* POSSIBILITY OF SUCH DAMAGE.
-* -------------------------------------------------------------------- */
-
-#include "arm_math.h"
-
-/**
- * @ingroup groupMatrix
- */
-
-/**
- * @addtogroup MatrixTrans
- * @{
- */
-
-/*
- * @brief Q15 matrix transpose.
- * @param[in] *pSrc points to the input matrix
- * @param[out] *pDst points to the output matrix
- * @return The function returns either <code>ARM_MATH_SIZE_MISMATCH</code>
- * or <code>ARM_MATH_SUCCESS</code> based on the outcome of size checking.
- */
-
-arm_status arm_mat_trans_q15(
- const arm_matrix_instance_q15 * pSrc,
- arm_matrix_instance_q15 * pDst)
-{
- q15_t *pSrcA = pSrc->pData; /* input data matrix pointer */
- q15_t *pOut = pDst->pData; /* output data matrix pointer */
- uint16_t nRows = pSrc->numRows; /* number of nRows */
- uint16_t nColumns = pSrc->numCols; /* number of nColumns */
- uint16_t col, row = nRows, i = 0u; /* row and column loop counters */
- arm_status status; /* status of matrix transpose */
-
-#ifndef ARM_MATH_CM0_FAMILY
-
- /* Run the below code for Cortex-M4 and Cortex-M3 */
-#ifndef UNALIGNED_SUPPORT_DISABLE
-
- q31_t in; /* variable to hold temporary output */
-
-#else
-
- q15_t in;
-
-#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
-
-#ifdef ARM_MATH_MATRIX_CHECK
-
-
- /* Check for matrix mismatch condition */
- if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
- {
- /* Set status as ARM_MATH_SIZE_MISMATCH */
- status = ARM_MATH_SIZE_MISMATCH;
- }
- else
-#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
-
- {
- /* Matrix transpose by exchanging the rows with columns */
- /* row loop */
- do
- {
-
- /* Apply loop unrolling and exchange the columns with row elements */
- col = nColumns >> 2u;
-
- /* The pointer pOut is set to starting address of the column being processed */
- pOut = pDst->pData + i;
-
- /* 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(col > 0u)
- {
-#ifndef UNALIGNED_SUPPORT_DISABLE
-
- /* Read two elements from the row */
- in = *__SIMD32(pSrcA)++;
-
- /* Unpack and store one element in the destination */
-#ifndef ARM_MATH_BIG_ENDIAN
-
- *pOut = (q15_t) in;
-
-#else
-
- *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
-
-#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
-
- /* Update the pointer pOut to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Unpack and store the second element in the destination */
-
-#ifndef ARM_MATH_BIG_ENDIAN
-
- *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
-
-#else
-
- *pOut = (q15_t) in;
-
-#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
-
- /* Update the pointer pOut to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Read two elements from the row */
-#ifndef ARM_MATH_BIG_ENDIAN
-
- in = *__SIMD32(pSrcA)++;
-
-#else
-
- in = *__SIMD32(pSrcA)++;
-
-#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
-
- /* Unpack and store one element in the destination */
-#ifndef ARM_MATH_BIG_ENDIAN
-
- *pOut = (q15_t) in;
-
-#else
-
- *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
-
-#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
-
- /* Update the pointer pOut to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Unpack and store the second element in the destination */
-#ifndef ARM_MATH_BIG_ENDIAN
-
- *pOut = (q15_t) ((in & (q31_t) 0xffff0000) >> 16);
-
-#else
-
- *pOut = (q15_t) in;
-
-#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
-
-#else
- /* Read one element from the row */
- in = *pSrcA++;
-
- /* Store one element in the destination */
- *pOut = in;
-
- /* Update the pointer px to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Read one element from the row */
- in = *pSrcA++;
-
- /* Store one element in the destination */
- *pOut = in;
-
- /* Update the pointer px to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Read one element from the row */
- in = *pSrcA++;
-
- /* Store one element in the destination */
- *pOut = in;
-
- /* Update the pointer px to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Read one element from the row */
- in = *pSrcA++;
-
- /* Store one element in the destination */
- *pOut = in;
-
-#endif /* #ifndef UNALIGNED_SUPPORT_DISABLE */
-
- /* Update the pointer pOut to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Decrement the column loop counter */
- col--;
- }
-
- /* Perform matrix transpose for last 3 samples here. */
- col = nColumns % 0x4u;
-
-#else
-
- /* Run the below code for Cortex-M0 */
-
-#ifdef ARM_MATH_MATRIX_CHECK
-
- /* Check for matrix mismatch condition */
- if((pSrc->numRows != pDst->numCols) || (pSrc->numCols != pDst->numRows))
- {
- /* Set status as ARM_MATH_SIZE_MISMATCH */
- status = ARM_MATH_SIZE_MISMATCH;
- }
- else
-#endif /* #ifdef ARM_MATH_MATRIX_CHECK */
-
- {
- /* Matrix transpose by exchanging the rows with columns */
- /* row loop */
- do
- {
- /* The pointer pOut is set to starting address of the column being processed */
- pOut = pDst->pData + i;
-
- /* Initialize column loop counter */
- col = nColumns;
-
-#endif /* #ifndef ARM_MATH_CM0_FAMILY */
-
- while(col > 0u)
- {
- /* Read and store the input element in the destination */
- *pOut = *pSrcA++;
-
- /* Update the pointer pOut to point to the next row of the transposed matrix */
- pOut += nRows;
-
- /* Decrement the column loop counter */
- col--;
- }
-
- i++;
-
- /* Decrement the row loop counter */
- row--;
-
- } while(row > 0u);
-
- /* set status as ARM_MATH_SUCCESS */
- status = ARM_MATH_SUCCESS;
- }
- /* Return to application */
- return (status);
-}
-
-/**
- * @} end of MatrixTrans group
- */