1 /*
2 * Copyright (C) 2010-2018 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 #include "ref_functions.h"
20
arm_fully_connected_q15_ref(const q15_t * pV,const q15_t * pM,const uint16_t dim_vec,const uint16_t num_of_rows,const uint16_t bias_shift,const uint16_t out_shift,const q15_t * bias,q15_t * pOut,q15_t * vec_buffer)21 void arm_fully_connected_q15_ref(const q15_t * pV, // pointer to vector
22 const q15_t * pM, // pointer to matrix
23 const uint16_t dim_vec, // length of the vector
24 const uint16_t num_of_rows, // numCol of A
25 const uint16_t bias_shift, // amount of left-shift for bias
26 const uint16_t out_shift, // amount of right-shift for output
27 const q15_t * bias, q15_t * pOut, // output operand
28 q15_t * vec_buffer)
29 {
30 for (int i = 0; i < num_of_rows; i++)
31 {
32 #ifndef ARM_NN_TRUNCATE
33 int ip_out = (bias[i] << bias_shift) + (0x1 << (out_shift - 1));
34 #else
35 int ip_out = bias[i] << bias_shift;
36 #endif
37 for (int j = 0; j < dim_vec; j++)
38 {
39 ip_out += pV[j] * pM[i * dim_vec + j];
40 }
41 pOut[i] = (q15_t) __SSAT((ip_out >> out_shift), 16);
42 }
43 }
44