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1 | /* Copyright (c) 2014, Ian Sutton <ian@kremlin.cc> |
2 | * |
3 | * Permission to use, copy, modify, and/or distribute this software for |
4 | * any purpose with or without fee is hereby granted, provided that the |
5 | * above copyright notice and this permission notice appear in all |
6 | * copies. |
7 | * |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
9 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
10 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
11 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
12 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
13 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
14 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
15 | * PERFORMANCE OF THIS SOFTWARE. |
16 | * |
17 | * This code implements a simple matrix operation in C, to be |
18 | * cross-compiled volatile into Loongson MIPS 32-bit instructions. |
19 | * |
20 | * (Header file) |
21 | */ |
22 | |
23 | static void matrix_add(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]); |
24 | |
25 | static void matrix_sub(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]); |
26 | |
27 | static void matrix_mult(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]); |
28 | |
29 | #ifdef DEBUG |
30 | static void matrix_print(volatile int matrix[MS][MS]); |
31 | #endif |
32 | |
33 | static void matrix_init0(volatile int matrix[MS][MS]); |