Diff: cmsis_dsp/MatrixFunctions/arm_mat_trans_q31.c

Revision:

5:a912b042151f

Parent:

4:9cee975aadce

--- a/cmsis_dsp/MatrixFunctions/arm_mat_trans_q31.c	Mon Jun 23 09:30:09 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,210 +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_q31.c    
-*    
-* Description:	Q31 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 Q31 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_q31(
-  const arm_matrix_instance_q31 * pSrc,
-  arm_matrix_instance_q31 * pDst)
-{
-  q31_t *pIn = pSrc->pData;                      /* input data matrix pointer  */
-  q31_t *pOut = pDst->pData;                     /* output data matrix pointer  */
-  q31_t *px;                                     /* Temporary output data matrix pointer */
-  uint16_t nRows = pSrc->numRows;                /* number of nRows */
-  uint16_t nColumns = pSrc->numCols;             /* number of nColumns  */
-
-#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
-    {
-      /* Apply loop unrolling and exchange the columns with row elements */
-      blkCnt = nColumns >> 2u;
-
-      /* 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)
-      {
-        /* 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    
- */