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Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c')
| -rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c b/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c deleted file mode 100644 index 4cd968ae19..0000000000 --- a/tmk_core/tool/mbed/mbed-sdk/libraries/dsp/cmsis_dsp/MatrixFunctions/arm_mat_trans_f32.c +++ /dev/null @@ -1,218 +0,0 @@ -/* ---------------------------------------------------------------------- -* Copyright (C) 2010-2013 ARM Limited. All rights reserved. -* -* $Date: 17. January 2013 -* $Revision: V1.4.1 -* -* Project: CMSIS DSP Library -* Title: arm_mat_trans_f32.c -* -* Description: Floating-point 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. -* -------------------------------------------------------------------- */ - -/** - * @defgroup MatrixTrans Matrix Transpose - * - * Tranposes a matrix. - * Transposing an <code>M x N</code> matrix flips it around the center diagonal and results in an <code>N x M</code> matrix. - * \image html MatrixTranspose.gif "Transpose of a 3 x 3 matrix" - */ - -#include "arm_math.h" - -/** - * @ingroup groupMatrix - */ - -/** - * @addtogroup MatrixTrans - * @{ - */ - -/** - * @brief Floating-point 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_f32( - const arm_matrix_instance_f32 * pSrc, - arm_matrix_instance_f32 * pDst) -{ - float32_t *pIn = pSrc->pData; /* input data matrix pointer */ - float32_t *pOut = pDst->pData; /* output data matrix pointer */ - float32_t *px; /* Temporary output data matrix pointer */ - uint16_t nRows = pSrc->numRows; /* number of rows */ - uint16_t nColumns = pSrc->numCols; /* number of columns */ - -#ifndef ARM_MATH_CM0_FAMILY - - /* Run the below code for Cortex-M4 and Cortex-M3 */ - - uint16_t blkCnt, i = 0u, row = nRows; /* loop counters */ - arm_status status; /* status of matrix transpose */ - - -#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 - { - /* Loop Unrolling */ - blkCnt = nColumns >> 2; - - /* The pointer px is set to starting address of the column being processed */ - px = pOut + 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(blkCnt > 0u) /* column loop */ - { - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Decrement the column loop counter */ - blkCnt--; - } - - /* Perform matrix transpose for last 3 samples here. */ - blkCnt = nColumns % 0x4u; - - while(blkCnt > 0u) - { - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Decrement the column loop counter */ - blkCnt--; - } - -#else - - /* Run the below code for Cortex-M0 */ - - uint16_t col, i = 0u, row = nRows; /* loop counters */ - arm_status status; /* status of matrix transpose */ - - -#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 px is set to starting address of the column being processed */ - px = pOut + i; - - /* Initialize column loop counter */ - col = nColumns; - - while(col > 0u) - { - /* Read and store the input element in the destination */ - *px = *pIn++; - - /* Update the pointer px to point to the next row of the transposed matrix */ - px += nRows; - - /* Decrement the column loop counter */ - col--; - } - -#endif /* #ifndef ARM_MATH_CM0_FAMILY */ - - i++; - - /* Decrement the row loop counter */ - row--; - - } while(row > 0u); /* row loop end */ - - /* Set status as ARM_MATH_SUCCESS */ - status = ARM_MATH_SUCCESS; - } - - /* Return to application */ - return (status); -} - -/** - * @} end of MatrixTrans group - */ |