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- /*!
- * \file copyTranspose.c
- *
- * \brief Copy with transpose function.
- *
- * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
- *
- *
- * 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 Texas Instruments Incorporated 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 <common/src/dpu/capon3d/include/copyTranspose.h>
-
- #if 0
- uint32_t copyTranspose(uint32_t * src, uint32_t * dest, uint32_t size, int32_t offset, uint32_t stride, uint32_t pairs)
- {
- int32_t i, j, k;
- j = 0;
- for(i = 0; i < (int32_t)size; i++)
- {
- for (k = 0; k < (int32_t)pairs; k++)
- {
- dest[j+k+i*offset] = src[pairs * i + k];
- }
- j += (int32_t)stride;
- }
- return(1);
- }
- #else
-
- // for optimization purposes specific for 3D capon people counting, will ignore offset and pair parameter.
- uint32_t copyTranspose(uint32_t * RESTRICT src, uint32_t * RESTRICT dest, uint32_t size, int32_t offset, uint32_t stride, uint32_t pairs)
- {
- int32_t i;
- int32_t sizeOver4;
- uint64_t * RESTRICT input, lltemp1;
- uint32_t * RESTRICT output;
- uint32_t * RESTRICT input1;
-
- sizeOver4 = (int32_t) (size >> 2);
- input = (uint64_t *) src;
- output = dest;
-
- for(i = 0; i < sizeOver4; i++)
- {
- lltemp1 = _amem8(input++);
- * output = _loll(lltemp1);
- output += stride;
- * output = _hill(lltemp1);
- output += stride;
- lltemp1 = _amem8(input++);
- * output = _loll(lltemp1);
- output += stride;
- * output = _hill(lltemp1);
- output += stride;
- }
-
- input1 = (uint32_t *) src;
- i = i * 4;
- for(; i < (int32_t)size; i++)
- {
- * output = input1[i];
- output += stride;
- }
-
- return(1);
- }
-
- #endif
-
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