/* Copyright (c) 2014, Ian Sutton <ian@kremlin.cc>
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 *
 * This code implements a simple matrix operation in C, to be
 * cross-compiled volatile into Loongson MIPS 32-bit instructions.
 *
 * (Header file)
 */

static void matrix_add(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]);

static void matrix_sub(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]);

static void matrix_mult(volatile int op1[MS][MS], volatile int op2[MS][MS], volatile int result_buf[MS][MS]);

#ifdef DEBUG
static void matrix_print(volatile int matrix[MS][MS]);
#endif

static void matrix_init0(volatile int matrix[MS][MS]);