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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.
*/
#include "ref_functions.h"
void
arm_convolve_HWC_q15_nonsquare_ref(const q15_t * Im_in,
const uint16_t dim_im_in_x,
const uint16_t dim_im_in_y,
const uint16_t ch_im_in,
const q15_t * wt,
const uint16_t ch_im_out,
const uint16_t dim_kernel_x,
const uint16_t dim_kernel_y,
const uint16_t padding_x,
const uint16_t padding_y,
const uint16_t stride_x,
const uint16_t stride_y,
const q15_t * bias,
const uint16_t bias_shift,
const uint16_t out_shift,
q15_t * Im_out,
const uint16_t dim_im_out_x,
const uint16_t dim_im_out_y,
q15_t * bufferA,
q7_t * bufferB)
{
uint16_t i, j, k, l, m, n;
int conv_out;
signed char in_row, in_col;
for (i = 0; i < ch_im_out; i++)
{
for (j = 0; j < dim_im_out_y; j++)
{
for (k = 0; k < dim_im_out_x; k++)
{
#ifndef ARM_NN_TRUNCATE
conv_out = (bias[i] << bias_shift) + (0x1 << (out_shift - 1));
#else
conv_out = bias[i] << bias_shift;
#endif
for (m = 0; m < dim_kernel_y; m++)
{
for (n = 0; n < dim_kernel_x; n++)
{
in_row = stride_y * j + m - padding_y;
in_col = stride_x * k + n - padding_x;
if (in_row >= 0 && in_col >= 0 && in_row < dim_im_in_y && in_col < dim_im_in_x)
{
for (l = 0; l < ch_im_in; l++)
{
conv_out +=
Im_in[(in_row * dim_im_in_x + in_col) * ch_im_in +
l] * wt[i * ch_im_in * dim_kernel_x * dim_kernel_y + (m * dim_kernel_x +
n) * ch_im_in + l];
}
}
}
}
Im_out[i + (j * dim_im_out_x + k) * ch_im_out] = (q15_t) __SSAT((conv_out >> out_shift), 16);
}
}
}
}
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