1 /*
2 * Copyright (C) 2010-2019 Arm Limited or its affiliates. All rights reserved.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Licensed under the Apache License, Version 2.0 (the License); you may
7 * not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 /* ----------------------------------------------------------------------
20 * Project: CMSIS NN Library
21 * Title: arm_concatenation_s8_y.c
22 * Description: s8 version of concatenation along the Y axis
23 *
24 * $Date: October 2019
25 * $Revision: V.1.0.0
26 *
27 * Target Processor: Cortex-M cores
28 *
29 * -------------------------------------------------------------------- */
30
31 #include "arm_nnfunctions.h"
32
33 /**
34 * @ingroup groupNN
35 */
36
37 /**
38 * @addtogroup Concatenation
39 * @{
40 */
41
42 /*
43 * s8 version of concatenation along the Y axis
44 *
45 * Refer to header file for details.
46 *
47 */
arm_concatenation_s8_y(const int8_t * input,const uint16_t input_x,const uint16_t input_y,const uint16_t input_z,const uint16_t input_w,int8_t * output,const uint16_t output_y,const uint32_t offset_y)48 void arm_concatenation_s8_y(const int8_t *input,
49 const uint16_t input_x,
50 const uint16_t input_y,
51 const uint16_t input_z,
52 const uint16_t input_w,
53 int8_t *output,
54 const uint16_t output_y,
55 const uint32_t offset_y)
56 {
57 const uint32_t num_iterations = input_z * input_w;
58 const uint32_t input_copy_size = input_x * input_y;
59 const uint32_t output_stride = input_x * output_y;
60
61 output += offset_y * input_x;
62 uint32_t i;
63
64 // Copy per tile
65 for (i = 0; i < num_iterations; ++i)
66 {
67 memcpy(output, input, input_copy_size);
68 input += input_copy_size;
69 output += output_stride;
70 }
71 }
72
73 /**
74 * @} end of Concatenation group
75 */
76
