106 lines
3.0 KiB
C
106 lines
3.0 KiB
C
/*
|
|
* Copyright (C) 2022 Arm Limited or its affiliates.
|
|
*
|
|
* 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_elementwise_add_s16
|
|
* Description: Elementwise add
|
|
*
|
|
* $Date: 14 Februari 2022
|
|
* $Revision: V.1.0.0
|
|
*
|
|
* Target Processor: Cortex-M CPUs
|
|
*
|
|
* -------------------------------------------------------------------- */
|
|
|
|
#include "arm_nnfunctions.h"
|
|
#include "arm_nnsupportfunctions.h"
|
|
|
|
/**
|
|
* @ingroup groupNN
|
|
*/
|
|
|
|
/**
|
|
* @addtogroup BasicMath
|
|
* @{
|
|
*/
|
|
|
|
/*
|
|
* s16 elementwise add
|
|
*
|
|
* Refer header file for details.
|
|
*
|
|
*/
|
|
|
|
/* Note: __SHIFT is expected to be <=0 */
|
|
|
|
arm_status arm_elementwise_add_s16(const int16_t *input_1_vect,
|
|
const int16_t *input_2_vect,
|
|
const int32_t input_1_offset,
|
|
const int32_t input_1_mult,
|
|
const int32_t input_1_shift,
|
|
const int32_t input_2_offset,
|
|
const int32_t input_2_mult,
|
|
const int32_t input_2_shift,
|
|
const int32_t left_shift,
|
|
int16_t *output,
|
|
const int32_t out_offset,
|
|
const int32_t out_mult,
|
|
const int32_t out_shift,
|
|
const int32_t out_activation_min,
|
|
const int32_t out_activation_max,
|
|
const int32_t block_size)
|
|
{
|
|
(void)input_1_offset;
|
|
(void)input_2_offset;
|
|
(void)out_offset;
|
|
int32_t loop_count;
|
|
int32_t input_1;
|
|
int32_t input_2;
|
|
int32_t sum;
|
|
|
|
loop_count = block_size;
|
|
|
|
while (loop_count > 0)
|
|
{
|
|
/* C = A + B */
|
|
input_1 = *input_1_vect++ << left_shift;
|
|
input_2 = *input_2_vect++ << left_shift;
|
|
|
|
input_1 = arm_nn_requantize(input_1, input_1_mult, input_1_shift);
|
|
input_2 = arm_nn_requantize(input_2, input_2_mult, input_2_shift);
|
|
|
|
sum = input_1 + input_2;
|
|
sum = arm_nn_requantize(sum, out_mult, out_shift);
|
|
|
|
sum = MAX(sum, out_activation_min);
|
|
sum = MIN(sum, out_activation_max);
|
|
|
|
*output++ = (int16_t)sum;
|
|
|
|
/* Decrement loop counter */
|
|
loop_count--;
|
|
}
|
|
|
|
return (ARM_MATH_SUCCESS);
|
|
}
|
|
|
|
/**
|
|
* @} end of BasicMath group
|
|
*/
|