Initial commit
This commit is contained in:
147
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nn_mult_q15.c
Normal file
147
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nn_mult_q15.c
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@ -0,0 +1,147 @@
|
||||
/*
|
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* Copyright (C) 2010-2018 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.
|
||||
*/
|
||||
|
||||
/* ----------------------------------------------------------------------
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||||
* Project: CMSIS NN Library
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* Title: arm_nn_mult_q15.c
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* Description: Q15 vector multiplication with variable output shifts
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*
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* $Date: 13. July 2018
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||||
* $Revision: V.1.0.0
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*
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* Target Processor: Cortex-M cores
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*
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* -------------------------------------------------------------------- */
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#include "arm_nnfunctions.h"
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/**
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* @ingroup groupSupport
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*/
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/**
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* @addtogroup NNBasicMath
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* @{
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*/
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/**
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* @brief Q7 vector multiplication with variable output shifts
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* @param[in] *pSrcA pointer to the first input vector
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* @param[in] *pSrcB pointer to the second input vector
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* @param[out] *pDst pointer to the output vector
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* @param[in] out_shift amount of right-shift for output
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* @param[in] blockSize number of samples in each vector
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* @return none.
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*
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* <b>Scaling and Overflow Behavior:</b>
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* \par
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* The function uses saturating arithmetic.
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* Results outside of the allowable Q15 range [0x8000 0x7FFF] will be saturated.
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*/
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void arm_nn_mult_q15(
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q15_t * pSrcA,
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q15_t * pSrcB,
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q15_t * pDst,
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const uint16_t out_shift,
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uint32_t blockSize)
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{
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uint32_t blkCnt; /* loop counters */
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#if defined (ARM_MATH_DSP)
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/* Run the below code for Cortex-M4 and Cortex-M3 */
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q31_t inA1, inA2, inB1, inB2; /* temporary input variables */
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q15_t out1, out2, out3, out4; /* temporary output variables */
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q31_t mul1, mul2, mul3, mul4; /* temporary variables */
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/* loop Unrolling */
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blkCnt = blockSize >> 2U;
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/* First part of the processing with loop unrolling. Compute 4 outputs at a time.
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** a second loop below computes the remaining 1 to 3 samples. */
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while (blkCnt > 0U)
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{
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/* read two samples at a time from sourceA */
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inA1 = *__SIMD32(pSrcA)++;
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/* read two samples at a time from sourceB */
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inB1 = *__SIMD32(pSrcB)++;
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/* read two samples at a time from sourceA */
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inA2 = *__SIMD32(pSrcA)++;
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/* read two samples at a time from sourceB */
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inB2 = *__SIMD32(pSrcB)++;
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/* multiply mul = sourceA * sourceB */
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mul1 = (q31_t) ((q15_t) (inA1 >> 16) * (q15_t) (inB1 >> 16));
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mul2 = (q31_t) ((q15_t) inA1 * (q15_t) inB1);
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mul3 = (q31_t) ((q15_t) (inA2 >> 16) * (q15_t) (inB2 >> 16));
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mul4 = (q31_t) ((q15_t) inA2 * (q15_t) inB2);
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/* saturate result to 16 bit */
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out1 = (q15_t) __SSAT((mul1 + NN_ROUND(out_shift)) >> out_shift, 16);
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out2 = (q15_t) __SSAT((mul2 + NN_ROUND(out_shift)) >> out_shift, 16);
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out3 = (q15_t) __SSAT((mul3 + NN_ROUND(out_shift)) >> out_shift, 16);
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out4 = (q15_t) __SSAT((mul4 + NN_ROUND(out_shift)) >> out_shift, 16);
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/* store the result */
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#ifndef ARM_MATH_BIG_ENDIAN
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*__SIMD32(pDst)++ = __PKHBT(out2, out1, 16);
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*__SIMD32(pDst)++ = __PKHBT(out4, out3, 16);
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#else
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*__SIMD32(pDst)++ = __PKHBT(out2, out1, 16);
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*__SIMD32(pDst)++ = __PKHBT(out4, out3, 16);
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#endif /* #ifndef ARM_MATH_BIG_ENDIAN */
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/* Decrement the blockSize loop counter */
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blkCnt--;
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}
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/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
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** No loop unrolling is used. */
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blkCnt = blockSize % 0x4U;
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#else
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/* Run the below code for Cortex-M0 */
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/* Initialize blkCnt with number of samples */
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blkCnt = blockSize;
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#endif /* #if defined (ARM_MATH_DSP) */
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while (blkCnt > 0U)
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{
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/* C = A * B */
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/* Multiply the inputs and store the result in the destination buffer */
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*pDst++ = (q15_t) __SSAT((((q31_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 16);
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/* Decrement the blockSize loop counter */
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blkCnt--;
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}
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}
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/**
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* @} end of NNBasicMath group
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*/
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|
119
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nn_mult_q7.c
Normal file
119
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nn_mult_q7.c
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@ -0,0 +1,119 @@
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/*
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* Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved.
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||||
*
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||||
* SPDX-License-Identifier: Apache-2.0
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||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/* ----------------------------------------------------------------------
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||||
* Project: CMSIS NN Library
|
||||
* Title: arm_nn_mult_q7.c
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||||
* Description: Q7 vector multiplication with variable output shifts
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||||
*
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||||
* $Date: 13. July 2018
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||||
* $Revision: V.1.0.0
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||||
*
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||||
* Target Processor: Cortex-M cores
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||||
*
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||||
* -------------------------------------------------------------------- */
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||||
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||||
#include "arm_nnfunctions.h"
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||||
/**
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||||
* @ingroup groupSupport
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||||
*/
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||||
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||||
/**
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||||
* @addtogroup NNBasicMath
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||||
* @{
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||||
*/
|
||||
|
||||
/**
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||||
* @brief Q7 vector multiplication with variable output shifts
|
||||
* @param[in] *pSrcA pointer to the first input vector
|
||||
* @param[in] *pSrcB pointer to the second input vector
|
||||
* @param[out] *pDst pointer to the output vector
|
||||
* @param[in] out_shift amount of right-shift for output
|
||||
* @param[in] blockSize number of samples in each vector
|
||||
* @return none.
|
||||
*
|
||||
* <b>Scaling and Overflow Behavior:</b>
|
||||
* \par
|
||||
* The function uses saturating arithmetic.
|
||||
* Results outside of the allowable Q7 range [0x80 0x7F] will be saturated.
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||||
*/
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||||
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||||
void arm_nn_mult_q7(
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q7_t * pSrcA,
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q7_t * pSrcB,
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q7_t * pDst,
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const uint16_t out_shift,
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uint32_t blockSize)
|
||||
{
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||||
uint32_t blkCnt; /* loop counters */
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||||
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||||
#if defined (ARM_MATH_DSP)
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||||
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/* Run the below code for Cortex-M4 and Cortex-M3 */
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q7_t out1, out2, out3, out4; /* Temporary variables to store the product */
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||||
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||||
/* loop Unrolling */
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blkCnt = blockSize >> 2U;
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||||
|
||||
/* 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 = A * B */
|
||||
/* Multiply the inputs and store the results in temporary variables */
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||||
out1 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 8);
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out2 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 8);
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out3 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 8);
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out4 = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 8);
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/* Store the results of 4 inputs in the destination buffer in single cycle by packing */
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*__SIMD32(pDst)++ = __PACKq7(out1, out2, out3, out4);
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/* Decrement the blockSize loop counter */
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blkCnt--;
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}
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||||
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||||
/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
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** No loop unrolling is used. */
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||||
blkCnt = blockSize % 0x4U;
|
||||
|
||||
#else
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||||
|
||||
/* Run the below code for Cortex-M0 */
|
||||
|
||||
/* Initialize blkCnt with number of samples */
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||||
blkCnt = blockSize;
|
||||
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||||
#endif /* #if defined (ARM_MATH_DSP) */
|
||||
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||||
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||||
while (blkCnt > 0U)
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||||
{
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||||
/* C = A * B */
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||||
/* Multiply the inputs and store the result in the destination buffer */
|
||||
*pDst++ = (q7_t) __SSAT((((q15_t) (*pSrcA++) * (*pSrcB++) + NN_ROUND(out_shift)) >> out_shift), 8);
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||||
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||||
/* Decrement the blockSize loop counter */
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||||
blkCnt--;
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||||
}
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||||
}
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||||
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||||
/**
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||||
* @} end of NNBasicMath group
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||||
*/
|
297
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nntables.c
Normal file
297
Drivers/CMSIS/NN/Source/NNSupportFunctions/arm_nntables.c
Normal file
@ -0,0 +1,297 @@
|
||||
/*
|
||||
* Copyright (C) 2010-2018 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.
|
||||
*/
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Project: CMSIS NN Library
|
||||
* Title: arm_nntables.c
|
||||
* Description: Converts the elements of the Q7 vector to Q15 vector without left-shift
|
||||
*
|
||||
* $Date: 17. January 2018
|
||||
* $Revision: V.1.0.0
|
||||
*
|
||||
* Target Processor: Cortex-M cores
|
||||
*
|
||||
* -------------------------------------------------------------------- */
|
||||
|
||||
#include "arm_nnsupportfunctions.h"
|
||||
|
||||
/**
|
||||
* @brief tables for various activation functions
|
||||
*
|
||||
* This file include the declaration of common tables.
|
||||
* Most of them are used for activation functions
|
||||
*
|
||||
* Assumption:
|
||||
* Unified table: input is 3.x format, i.e, range of [-8, 8)
|
||||
* sigmoid(8) = 0.9996646498695336
|
||||
* tanh(8) = 0.9999997749296758
|
||||
* The accuracy here should be good enough
|
||||
*
|
||||
* 2-stage HL table:
|
||||
*
|
||||
* The entire input range is divided into two parts:
|
||||
*
|
||||
* Low range table: 0x000x xxxx or 0x111x xxxx
|
||||
* table entry will be the binary number excluding the first
|
||||
* two digits, i.e., 0x0x xxxx or 0x1x xxxx
|
||||
*
|
||||
*
|
||||
*
|
||||
* High range table 0x0010 0000 -- 0x0111 1111
|
||||
* 0x1000 0000 -- 0x1101 1111
|
||||
*
|
||||
* For positive numbers, table entry will be
|
||||
* 0x0010 0000 -- 0x0111 1111 minus 0x0010 0000
|
||||
* i.e., 0x0000 0000 - 0x0101 11111
|
||||
*
|
||||
* same thing for the negative numbers, table entry will be
|
||||
* 0x1000 0000 -- 0x1101 1111 minux 0x0010 0000
|
||||
* i.e., 0x0110 0000 - 0x1011 1111
|
||||
*/
|
||||
|
||||
const q7_t sigmoidTable_q7[256] = {
|
||||
0x40, 0x42, 0x44, 0x46, 0x48, 0x4a, 0x4c, 0x4e,
|
||||
0x50, 0x52, 0x53, 0x55, 0x57, 0x59, 0x5a, 0x5c,
|
||||
0x5e, 0x5f, 0x61, 0x62, 0x63, 0x65, 0x66, 0x67,
|
||||
0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
|
||||
0x71, 0x72, 0x72, 0x73, 0x74, 0x74, 0x75, 0x76,
|
||||
0x76, 0x77, 0x77, 0x78, 0x78, 0x79, 0x79, 0x7a,
|
||||
0x7a, 0x7a, 0x7b, 0x7b, 0x7b, 0x7c, 0x7c, 0x7c,
|
||||
0x7c, 0x7c, 0x7d, 0x7d, 0x7d, 0x7d, 0x7d, 0x7e,
|
||||
0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7e, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
|
||||
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
|
||||
0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
|
||||
0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x03, 0x04,
|
||||
0x04, 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x06,
|
||||
0x06, 0x06, 0x07, 0x07, 0x08, 0x08, 0x09, 0x09,
|
||||
0x0a, 0x0a, 0x0b, 0x0c, 0x0c, 0x0d, 0x0e, 0x0e,
|
||||
0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
|
||||
0x17, 0x19, 0x1a, 0x1b, 0x1d, 0x1e, 0x1f, 0x21,
|
||||
0x22, 0x24, 0x26, 0x27, 0x29, 0x2b, 0x2d, 0x2e,
|
||||
0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e,
|
||||
};
|
||||
|
||||
const q15_t sigmoidTable_q15[256] = {
|
||||
0x4000, 0x4200, 0x43ff, 0x45fc, 0x47f5, 0x49eb, 0x4bdc, 0x4dc8,
|
||||
0x4fad, 0x518a, 0x5360, 0x552c, 0x56ef, 0x58a8, 0x5a57, 0x5bfb,
|
||||
0x5d93, 0x5f20, 0x60a1, 0x6216, 0x637f, 0x64db, 0x662b, 0x676f,
|
||||
0x68a6, 0x69d2, 0x6af1, 0x6c05, 0x6d0d, 0x6e09, 0x6efb, 0x6fe2,
|
||||
0x70be, 0x7190, 0x7258, 0x7316, 0x73cc, 0x7478, 0x751b, 0x75b7,
|
||||
0x764a, 0x76d6, 0x775b, 0x77d8, 0x784f, 0x78c0, 0x792a, 0x798f,
|
||||
0x79ee, 0x7a48, 0x7a9d, 0x7aed, 0x7b39, 0x7b80, 0x7bc4, 0x7c03,
|
||||
0x7c3f, 0x7c78, 0x7cad, 0x7ce0, 0x7d0f, 0x7d3c, 0x7d66, 0x7d8d,
|
||||
0x7db3, 0x7dd6, 0x7df7, 0x7e16, 0x7e33, 0x7e4f, 0x7e69, 0x7e81,
|
||||
0x7e98, 0x7eae, 0x7ec2, 0x7ed5, 0x7ee7, 0x7ef8, 0x7f08, 0x7f17,
|
||||
0x7f25, 0x7f32, 0x7f3e, 0x7f4a, 0x7f55, 0x7f5f, 0x7f69, 0x7f72,
|
||||
0x7f7b, 0x7f83, 0x7f8a, 0x7f91, 0x7f98, 0x7f9e, 0x7fa4, 0x7faa,
|
||||
0x7faf, 0x7fb4, 0x7fb8, 0x7fbd, 0x7fc1, 0x7fc5, 0x7fc8, 0x7fcc,
|
||||
0x7fcf, 0x7fd2, 0x7fd5, 0x7fd7, 0x7fda, 0x7fdc, 0x7fde, 0x7fe0,
|
||||
0x7fe2, 0x7fe4, 0x7fe6, 0x7fe7, 0x7fe9, 0x7fea, 0x7feb, 0x7fed,
|
||||
0x7fee, 0x7fef, 0x7ff0, 0x7ff1, 0x7ff2, 0x7ff3, 0x7ff4, 0x7ff4,
|
||||
0x000b, 0x000c, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011,
|
||||
0x0012, 0x0013, 0x0015, 0x0016, 0x0017, 0x0019, 0x001a, 0x001c,
|
||||
0x001e, 0x0020, 0x0022, 0x0024, 0x0026, 0x0029, 0x002b, 0x002e,
|
||||
0x0031, 0x0034, 0x0038, 0x003b, 0x003f, 0x0043, 0x0048, 0x004c,
|
||||
0x0051, 0x0056, 0x005c, 0x0062, 0x0068, 0x006f, 0x0076, 0x007d,
|
||||
0x0085, 0x008e, 0x0097, 0x00a1, 0x00ab, 0x00b6, 0x00c2, 0x00ce,
|
||||
0x00db, 0x00e9, 0x00f8, 0x0108, 0x0119, 0x012b, 0x013e, 0x0152,
|
||||
0x0168, 0x017f, 0x0197, 0x01b1, 0x01cd, 0x01ea, 0x0209, 0x022a,
|
||||
0x024d, 0x0273, 0x029a, 0x02c4, 0x02f1, 0x0320, 0x0353, 0x0388,
|
||||
0x03c1, 0x03fd, 0x043c, 0x0480, 0x04c7, 0x0513, 0x0563, 0x05b8,
|
||||
0x0612, 0x0671, 0x06d6, 0x0740, 0x07b1, 0x0828, 0x08a5, 0x092a,
|
||||
0x09b6, 0x0a49, 0x0ae5, 0x0b88, 0x0c34, 0x0cea, 0x0da8, 0x0e70,
|
||||
0x0f42, 0x101e, 0x1105, 0x11f7, 0x12f3, 0x13fb, 0x150f, 0x162e,
|
||||
0x175a, 0x1891, 0x19d5, 0x1b25, 0x1c81, 0x1dea, 0x1f5f, 0x20e0,
|
||||
0x226d, 0x2405, 0x25a9, 0x2758, 0x2911, 0x2ad4, 0x2ca0, 0x2e76,
|
||||
0x3053, 0x3238, 0x3424, 0x3615, 0x380b, 0x3a04, 0x3c01, 0x3e00,
|
||||
};
|
||||
|
||||
const q15_t sigmoidLTable_q15[128] = {
|
||||
0x4000, 0x4100, 0x4200, 0x42ff, 0x43ff, 0x44fd, 0x45fc, 0x46f9,
|
||||
0x47f5, 0x48f1, 0x49eb, 0x4ae5, 0x4bdc, 0x4cd3, 0x4dc8, 0x4ebb,
|
||||
0x4fad, 0x509c, 0x518a, 0x5276, 0x5360, 0x5447, 0x552c, 0x560f,
|
||||
0x56ef, 0x57cd, 0x58a8, 0x5981, 0x5a57, 0x5b2a, 0x5bfb, 0x5cc9,
|
||||
0x5d93, 0x5e5b, 0x5f20, 0x5fe2, 0x60a1, 0x615d, 0x6216, 0x62cc,
|
||||
0x637f, 0x642e, 0x64db, 0x6584, 0x662b, 0x66ce, 0x676f, 0x680c,
|
||||
0x68a6, 0x693d, 0x69d2, 0x6a63, 0x6af1, 0x6b7c, 0x6c05, 0x6c8a,
|
||||
0x6d0d, 0x6d8d, 0x6e09, 0x6e84, 0x6efb, 0x6f70, 0x6fe2, 0x7051,
|
||||
0x0f42, 0x0faf, 0x101e, 0x1090, 0x1105, 0x117c, 0x11f7, 0x1273,
|
||||
0x12f3, 0x1376, 0x13fb, 0x1484, 0x150f, 0x159d, 0x162e, 0x16c3,
|
||||
0x175a, 0x17f4, 0x1891, 0x1932, 0x19d5, 0x1a7c, 0x1b25, 0x1bd2,
|
||||
0x1c81, 0x1d34, 0x1dea, 0x1ea3, 0x1f5f, 0x201e, 0x20e0, 0x21a5,
|
||||
0x226d, 0x2337, 0x2405, 0x24d6, 0x25a9, 0x267f, 0x2758, 0x2833,
|
||||
0x2911, 0x29f1, 0x2ad4, 0x2bb9, 0x2ca0, 0x2d8a, 0x2e76, 0x2f64,
|
||||
0x3053, 0x3145, 0x3238, 0x332d, 0x3424, 0x351b, 0x3615, 0x370f,
|
||||
0x380b, 0x3907, 0x3a04, 0x3b03, 0x3c01, 0x3d01, 0x3e00, 0x3f00,
|
||||
};
|
||||
|
||||
const q15_t sigmoidHTable_q15[192] = {
|
||||
0x70be, 0x7190, 0x7258, 0x7316, 0x73cc, 0x7478, 0x751b, 0x75b7,
|
||||
0x764a, 0x76d6, 0x775b, 0x77d8, 0x784f, 0x78c0, 0x792a, 0x798f,
|
||||
0x79ee, 0x7a48, 0x7a9d, 0x7aed, 0x7b39, 0x7b80, 0x7bc4, 0x7c03,
|
||||
0x7c3f, 0x7c78, 0x7cad, 0x7ce0, 0x7d0f, 0x7d3c, 0x7d66, 0x7d8d,
|
||||
0x7db3, 0x7dd6, 0x7df7, 0x7e16, 0x7e33, 0x7e4f, 0x7e69, 0x7e81,
|
||||
0x7e98, 0x7eae, 0x7ec2, 0x7ed5, 0x7ee7, 0x7ef8, 0x7f08, 0x7f17,
|
||||
0x7f25, 0x7f32, 0x7f3e, 0x7f4a, 0x7f55, 0x7f5f, 0x7f69, 0x7f72,
|
||||
0x7f7b, 0x7f83, 0x7f8a, 0x7f91, 0x7f98, 0x7f9e, 0x7fa4, 0x7faa,
|
||||
0x7faf, 0x7fb4, 0x7fb8, 0x7fbd, 0x7fc1, 0x7fc5, 0x7fc8, 0x7fcc,
|
||||
0x7fcf, 0x7fd2, 0x7fd5, 0x7fd7, 0x7fda, 0x7fdc, 0x7fde, 0x7fe0,
|
||||
0x7fe2, 0x7fe4, 0x7fe6, 0x7fe7, 0x7fe9, 0x7fea, 0x7feb, 0x7fed,
|
||||
0x7fee, 0x7fef, 0x7ff0, 0x7ff1, 0x7ff2, 0x7ff3, 0x7ff4, 0x7ff4,
|
||||
0x000b, 0x000c, 0x000c, 0x000d, 0x000e, 0x000f, 0x0010, 0x0011,
|
||||
0x0012, 0x0013, 0x0015, 0x0016, 0x0017, 0x0019, 0x001a, 0x001c,
|
||||
0x001e, 0x0020, 0x0022, 0x0024, 0x0026, 0x0029, 0x002b, 0x002e,
|
||||
0x0031, 0x0034, 0x0038, 0x003b, 0x003f, 0x0043, 0x0048, 0x004c,
|
||||
0x0051, 0x0056, 0x005c, 0x0062, 0x0068, 0x006f, 0x0076, 0x007d,
|
||||
0x0085, 0x008e, 0x0097, 0x00a1, 0x00ab, 0x00b6, 0x00c2, 0x00ce,
|
||||
0x00db, 0x00e9, 0x00f8, 0x0108, 0x0119, 0x012b, 0x013e, 0x0152,
|
||||
0x0168, 0x017f, 0x0197, 0x01b1, 0x01cd, 0x01ea, 0x0209, 0x022a,
|
||||
0x024d, 0x0273, 0x029a, 0x02c4, 0x02f1, 0x0320, 0x0353, 0x0388,
|
||||
0x03c1, 0x03fd, 0x043c, 0x0480, 0x04c7, 0x0513, 0x0563, 0x05b8,
|
||||
0x0612, 0x0671, 0x06d6, 0x0740, 0x07b1, 0x0828, 0x08a5, 0x092a,
|
||||
0x09b6, 0x0a49, 0x0ae5, 0x0b88, 0x0c34, 0x0cea, 0x0da8, 0x0e70,
|
||||
};
|
||||
|
||||
const q7_t tanhTable_q7[256] = {
|
||||
0x00, 0x08, 0x10, 0x18, 0x1f, 0x27, 0x2e, 0x35,
|
||||
0x3b, 0x41, 0x47, 0x4c, 0x51, 0x56, 0x5a, 0x5e,
|
||||
0x61, 0x65, 0x68, 0x6a, 0x6d, 0x6f, 0x71, 0x72,
|
||||
0x74, 0x75, 0x76, 0x78, 0x78, 0x79, 0x7a, 0x7b,
|
||||
0x7b, 0x7c, 0x7c, 0x7d, 0x7d, 0x7e, 0x7e, 0x7e,
|
||||
0x7e, 0x7e, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x81,
|
||||
0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x81, 0x82,
|
||||
0x82, 0x82, 0x82, 0x82, 0x83, 0x83, 0x84, 0x84,
|
||||
0x85, 0x85, 0x86, 0x87, 0x88, 0x88, 0x8a, 0x8b,
|
||||
0x8c, 0x8e, 0x8f, 0x91, 0x93, 0x96, 0x98, 0x9b,
|
||||
0x9f, 0xa2, 0xa6, 0xaa, 0xaf, 0xb4, 0xb9, 0xbf,
|
||||
0xc5, 0xcb, 0xd2, 0xd9, 0xe1, 0xe8, 0xf0, 0xf8,
|
||||
};
|
||||
|
||||
const q15_t tanhTable_q15[256] = {
|
||||
0x0000, 0x07fd, 0x0feb, 0x17b9, 0x1f59, 0x26bf, 0x2ddf, 0x34ae,
|
||||
0x3b27, 0x4142, 0x46fd, 0x4c56, 0x514d, 0x55e2, 0x5a1a, 0x5df6,
|
||||
0x617c, 0x64b0, 0x6797, 0x6a37, 0x6c95, 0x6eb5, 0x709e, 0x7254,
|
||||
0x73dc, 0x753a, 0x7672, 0x7788, 0x787f, 0x795b, 0x7a1e, 0x7acb,
|
||||
0x7b65, 0x7bee, 0x7c66, 0x7cd1, 0x7d30, 0x7d84, 0x7dce, 0x7e0f,
|
||||
0x7e49, 0x7e7d, 0x7eaa, 0x7ed2, 0x7ef5, 0x7f14, 0x7f30, 0x7f48,
|
||||
0x7f5e, 0x7f71, 0x7f82, 0x7f91, 0x7f9e, 0x7fa9, 0x7fb3, 0x7fbc,
|
||||
0x7fc4, 0x7fcb, 0x7fd1, 0x7fd7, 0x7fdc, 0x7fe0, 0x7fe4, 0x7fe7,
|
||||
0x7fea, 0x7fed, 0x7fef, 0x7ff1, 0x7ff3, 0x7ff4, 0x7ff6, 0x7ff7,
|
||||
0x7ff8, 0x7ff9, 0x7ffa, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffc, 0x7ffd,
|
||||
0x7ffd, 0x7ffd, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8001, 0x8001, 0x8001, 0x8001, 0x8001, 0x8001,
|
||||
0x8001, 0x8001, 0x8001, 0x8002, 0x8002, 0x8002, 0x8002, 0x8003,
|
||||
0x8003, 0x8003, 0x8004, 0x8004, 0x8005, 0x8006, 0x8006, 0x8007,
|
||||
0x8008, 0x8009, 0x800a, 0x800c, 0x800d, 0x800f, 0x8011, 0x8013,
|
||||
0x8016, 0x8019, 0x801c, 0x8020, 0x8024, 0x8029, 0x802f, 0x8035,
|
||||
0x803c, 0x8044, 0x804d, 0x8057, 0x8062, 0x806f, 0x807e, 0x808f,
|
||||
0x80a2, 0x80b8, 0x80d0, 0x80ec, 0x810b, 0x812e, 0x8156, 0x8183,
|
||||
0x81b7, 0x81f1, 0x8232, 0x827c, 0x82d0, 0x832f, 0x839a, 0x8412,
|
||||
0x849b, 0x8535, 0x85e2, 0x86a5, 0x8781, 0x8878, 0x898e, 0x8ac6,
|
||||
0x8c24, 0x8dac, 0x8f62, 0x914b, 0x936b, 0x95c9, 0x9869, 0x9b50,
|
||||
0x9e84, 0xa20a, 0xa5e6, 0xaa1e, 0xaeb3, 0xb3aa, 0xb903, 0xbebe,
|
||||
0xc4d9, 0xcb52, 0xd221, 0xd941, 0xe0a7, 0xe847, 0xf015, 0xf803,
|
||||
};
|
||||
|
||||
const q15_t tanhLTable_q15[128] = {
|
||||
0x0000, 0x0400, 0x07fd, 0x0bf7, 0x0feb, 0x13d7, 0x17b9, 0x1b90,
|
||||
0x1f59, 0x2314, 0x26bf, 0x2a58, 0x2ddf, 0x3151, 0x34ae, 0x37f6,
|
||||
0x3b27, 0x3e40, 0x4142, 0x442c, 0x46fd, 0x49b6, 0x4c56, 0x4edd,
|
||||
0x514d, 0x53a3, 0x55e2, 0x580a, 0x5a1a, 0x5c13, 0x5df6, 0x5fc4,
|
||||
0x617c, 0x6320, 0x64b0, 0x662d, 0x6797, 0x68f0, 0x6a37, 0x6b6e,
|
||||
0x6c95, 0x6dac, 0x6eb5, 0x6fb0, 0x709e, 0x717f, 0x7254, 0x731e,
|
||||
0x73dc, 0x7490, 0x753a, 0x75da, 0x7672, 0x7701, 0x7788, 0x7807,
|
||||
0x787f, 0x78f0, 0x795b, 0x79bf, 0x7a1e, 0x7a77, 0x7acb, 0x7b1b,
|
||||
0x849b, 0x84e5, 0x8535, 0x8589, 0x85e2, 0x8641, 0x86a5, 0x8710,
|
||||
0x8781, 0x87f9, 0x8878, 0x88ff, 0x898e, 0x8a26, 0x8ac6, 0x8b70,
|
||||
0x8c24, 0x8ce2, 0x8dac, 0x8e81, 0x8f62, 0x9050, 0x914b, 0x9254,
|
||||
0x936b, 0x9492, 0x95c9, 0x9710, 0x9869, 0x99d3, 0x9b50, 0x9ce0,
|
||||
0x9e84, 0xa03c, 0xa20a, 0xa3ed, 0xa5e6, 0xa7f6, 0xaa1e, 0xac5d,
|
||||
0xaeb3, 0xb123, 0xb3aa, 0xb64a, 0xb903, 0xbbd4, 0xbebe, 0xc1c0,
|
||||
0xc4d9, 0xc80a, 0xcb52, 0xceaf, 0xd221, 0xd5a8, 0xd941, 0xdcec,
|
||||
0xe0a7, 0xe470, 0xe847, 0xec29, 0xf015, 0xf409, 0xf803, 0xfc00,
|
||||
};
|
||||
|
||||
const q15_t tanhHTable_q15[192] = {
|
||||
0x7b65, 0x7bee, 0x7c66, 0x7cd1, 0x7d30, 0x7d84, 0x7dce, 0x7e0f,
|
||||
0x7e49, 0x7e7d, 0x7eaa, 0x7ed2, 0x7ef5, 0x7f14, 0x7f30, 0x7f48,
|
||||
0x7f5e, 0x7f71, 0x7f82, 0x7f91, 0x7f9e, 0x7fa9, 0x7fb3, 0x7fbc,
|
||||
0x7fc4, 0x7fcb, 0x7fd1, 0x7fd7, 0x7fdc, 0x7fe0, 0x7fe4, 0x7fe7,
|
||||
0x7fea, 0x7fed, 0x7fef, 0x7ff1, 0x7ff3, 0x7ff4, 0x7ff6, 0x7ff7,
|
||||
0x7ff8, 0x7ff9, 0x7ffa, 0x7ffa, 0x7ffb, 0x7ffc, 0x7ffc, 0x7ffd,
|
||||
0x7ffd, 0x7ffd, 0x7ffe, 0x7ffe, 0x7ffe, 0x7ffe, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff, 0x7fff,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000, 0x8000,
|
||||
0x8000, 0x8000, 0x8001, 0x8001, 0x8001, 0x8001, 0x8001, 0x8001,
|
||||
0x8001, 0x8001, 0x8001, 0x8002, 0x8002, 0x8002, 0x8002, 0x8003,
|
||||
0x8003, 0x8003, 0x8004, 0x8004, 0x8005, 0x8006, 0x8006, 0x8007,
|
||||
0x8008, 0x8009, 0x800a, 0x800c, 0x800d, 0x800f, 0x8011, 0x8013,
|
||||
0x8016, 0x8019, 0x801c, 0x8020, 0x8024, 0x8029, 0x802f, 0x8035,
|
||||
0x803c, 0x8044, 0x804d, 0x8057, 0x8062, 0x806f, 0x807e, 0x808f,
|
||||
0x80a2, 0x80b8, 0x80d0, 0x80ec, 0x810b, 0x812e, 0x8156, 0x8183,
|
||||
0x81b7, 0x81f1, 0x8232, 0x827c, 0x82d0, 0x832f, 0x839a, 0x8412,
|
||||
};
|
@ -0,0 +1,134 @@
|
||||
/*
|
||||
* Copyright (C) 2010-2018 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.
|
||||
*/
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Project: CMSIS NN Library
|
||||
* Title: arm_q7_to_q15_no_shift.c
|
||||
* Description: Converts the elements of the Q7 vector to Q15 vector without left-shift
|
||||
*
|
||||
* $Date: 17. January 2018
|
||||
* $Revision: V.1.0.0
|
||||
*
|
||||
* Target Processor: Cortex-M cores
|
||||
*
|
||||
* -------------------------------------------------------------------- */
|
||||
|
||||
#include "arm_nnsupportfunctions.h"
|
||||
|
||||
/**
|
||||
* @ingroup groupSupport
|
||||
*/
|
||||
|
||||
/**
|
||||
* @addtogroup nndata_convert
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Converts the elements of the Q7 vector to Q15 vector without left-shift
|
||||
* @param[in] *pSrc points to the Q7 input vector
|
||||
* @param[out] *pDst points to the Q15 output vector
|
||||
* @param[in] blockSize length of the input vector
|
||||
* @return none.
|
||||
*
|
||||
* \par Description:
|
||||
*
|
||||
* The equation used for the conversion process is:
|
||||
*
|
||||
* <pre>
|
||||
* pDst[n] = (q15_t) pSrc[n]; 0 <= n < blockSize.
|
||||
* </pre>
|
||||
*
|
||||
*/
|
||||
|
||||
void arm_q7_to_q15_no_shift(const q7_t * pSrc, q15_t * pDst, uint32_t blockSize)
|
||||
{
|
||||
const q7_t *pIn = pSrc; /* Src pointer */
|
||||
uint32_t blkCnt; /* loop counter */
|
||||
|
||||
#ifndef ARM_MATH_CM0_FAMILY
|
||||
q31_t in;
|
||||
q31_t in1, in2;
|
||||
q31_t out1, out2;
|
||||
|
||||
/* Run the below code for Cortex-M4 and Cortex-M3 */
|
||||
|
||||
/*loop Unrolling */
|
||||
blkCnt = blockSize >> 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 = (q15_t) A << 8 */
|
||||
/* convert from q7 to q15 and then store the results in the destination buffer */
|
||||
in = *__SIMD32(pIn)++;
|
||||
|
||||
/* rotatate in by 8 and extend two q7_t values to q15_t values */
|
||||
in1 = __SXTB16(__ROR(in, 8));
|
||||
|
||||
/* extend remainig two q7_t values to q15_t values */
|
||||
in2 = __SXTB16(in);
|
||||
|
||||
#ifndef ARM_MATH_BIG_ENDIAN
|
||||
|
||||
out2 = __PKHTB(in1, in2, 16);
|
||||
out1 = __PKHBT(in2, in1, 16);
|
||||
|
||||
#else
|
||||
|
||||
out1 = __PKHTB(in1, in2, 16);
|
||||
out2 = __PKHBT(in2, in1, 16);
|
||||
|
||||
#endif
|
||||
|
||||
*__SIMD32(pDst)++ = out1;
|
||||
*__SIMD32(pDst)++ = out2;
|
||||
|
||||
/* Decrement the loop counter */
|
||||
blkCnt--;
|
||||
}
|
||||
|
||||
/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
|
||||
** No loop unrolling is used. */
|
||||
blkCnt = blockSize % 0x4u;
|
||||
|
||||
#else
|
||||
|
||||
/* Run the below code for Cortex-M0 */
|
||||
|
||||
/* Loop over blockSize number of values */
|
||||
blkCnt = blockSize;
|
||||
|
||||
#endif /* #ifndef ARM_MATH_CM0_FAMILY */
|
||||
|
||||
while (blkCnt > 0u)
|
||||
{
|
||||
/* C = (q15_t) A << 8 */
|
||||
/* convert from q7 to q15 and then store the results in the destination buffer */
|
||||
*pDst++ = (q15_t) * pIn++;
|
||||
|
||||
/* Decrement the loop counter */
|
||||
blkCnt--;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @} end of nndata_convert group
|
||||
*/
|
@ -0,0 +1,145 @@
|
||||
/*
|
||||
* Copyright (C) 2010-2018 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.
|
||||
*/
|
||||
|
||||
/* ----------------------------------------------------------------------
|
||||
* Project: CMSIS NN Library
|
||||
* Title: arm_q7_to_q15_reordered_no_shift.c
|
||||
* Description: Converts the elements of the Q7 vector to reordered Q15 vector without left-shift
|
||||
*
|
||||
* $Date: 17. January 2018
|
||||
* $Revision: V.1.0.0
|
||||
*
|
||||
* Target Processor: Cortex-M cores
|
||||
*
|
||||
* -------------------------------------------------------------------- */
|
||||
|
||||
#include "arm_nnsupportfunctions.h"
|
||||
|
||||
/**
|
||||
* @ingroup groupSupport
|
||||
*/
|
||||
|
||||
/**
|
||||
* @addtogroup nndata_convert
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* @brief Converts the elements of the Q7 vector to reordered Q15 vector without left-shift
|
||||
* @param[in] *pSrc points to the Q7 input vector
|
||||
* @param[out] *pDst points to the Q15 output vector
|
||||
* @param[in] blockSize length of the input vector
|
||||
* @return none.
|
||||
*
|
||||
* @details
|
||||
*
|
||||
* This function does the q7 to q15 expansion with re-ordering
|
||||
*
|
||||
* <pre>
|
||||
* | A1 | A2 | A3 | A4 |
|
||||
*
|
||||
* 0 7 8 15 16 23 24 31
|
||||
* </pre>
|
||||
*
|
||||
* is converted into:
|
||||
*
|
||||
* <pre>
|
||||
* | A1 | A3 | and | A2 | A4 |
|
||||
*
|
||||
* 0 15 16 31 0 15 16 31
|
||||
* </pre>
|
||||
*
|
||||
*
|
||||
* This looks strange but is natural considering how sign-extension is done at
|
||||
* assembly level.
|
||||
*
|
||||
* The expansion of other other oprand will follow the same rule so that the end
|
||||
* results are the same.
|
||||
*
|
||||
* The tail (i.e., last (N % 4) elements) will still be in original order.
|
||||
*
|
||||
*/
|
||||
|
||||
void arm_q7_to_q15_reordered_no_shift(const q7_t * pSrc, q15_t * pDst, uint32_t blockSize)
|
||||
{
|
||||
const q7_t *pIn = pSrc; /* Src pointer */
|
||||
uint32_t blkCnt; /* loop counter */
|
||||
|
||||
#ifndef ARM_MATH_CM0_FAMILY
|
||||
q31_t in;
|
||||
q31_t in1, in2;
|
||||
|
||||
/* Run the below code for Cortex-M4 and Cortex-M3 */
|
||||
|
||||
/*loop Unrolling */
|
||||
blkCnt = blockSize >> 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 = (q15_t) A << 8 */
|
||||
/* convert from q7 to q15 and then store the results in the destination buffer */
|
||||
in = *__SIMD32(pIn)++;
|
||||
|
||||
/* rotatate in by 8 and extend two q7_t values to q15_t values */
|
||||
in1 = __SXTB16(__ROR(in, 8));
|
||||
|
||||
/* extend remainig two q7_t values to q15_t values */
|
||||
in2 = __SXTB16(in);
|
||||
|
||||
#ifndef ARM_MATH_BIG_ENDIAN
|
||||
*__SIMD32(pDst)++ = in2;
|
||||
*__SIMD32(pDst)++ = in1;
|
||||
#else
|
||||
*__SIMD32(pDst)++ = in1;
|
||||
*__SIMD32(pDst)++ = in2;
|
||||
#endif
|
||||
|
||||
/* Decrement the loop counter */
|
||||
blkCnt--;
|
||||
}
|
||||
|
||||
/* If the blockSize is not a multiple of 4, compute any remaining output samples here.
|
||||
** No loop unrolling is used. */
|
||||
blkCnt = blockSize % 0x4u;
|
||||
|
||||
#else
|
||||
|
||||
/* Run the below code for Cortex-M0 */
|
||||
|
||||
/* Loop over blockSize number of values */
|
||||
blkCnt = blockSize;
|
||||
|
||||
#endif /* #ifndef ARM_MATH_CM0_FAMILY */
|
||||
|
||||
while (blkCnt > 0u)
|
||||
{
|
||||
/* C = (q15_t) A << 8 */
|
||||
/* convert from q7 to q15 and then store the results in the destination buffer */
|
||||
*pDst++ = (q15_t) * pIn++;
|
||||
|
||||
/* Decrement the loop counter */
|
||||
blkCnt--;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @} end of q7_to_x group
|
||||
*/
|
Reference in New Issue
Block a user