kernel/kernel/inc/utils/math.h

/*
 * Copyright 2023 Antifallobst <antifallobst@systemausfall.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the “Software”), to deal in
 * the Software without restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
 * Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef NOX_MATH_H
#define NOX_MATH_H

#include "stdtypes.h"
#include "string.h"

#define MAX(a, b)       ((a) > (b) ? (a) : (b))
#define MIN(a, b)       ((a) > (b) ? (b) : (a))
#define CEIL_TO(a, b)   ((a) % (b) ? (a) + (b) - ((a) % (b)) : (a))
#define FLOOR_TO(a, b)  ((a) - ((a) % (b)))

typedef struct {
    uint64_t x;
    uint64_t y;
} position_T;

uint64_t pow                    (uint64_t base, uint64_t exp);
uint64_t abs                    (int64_t n);
uint64_t octal_string_to_int    (string_t string, uint8_t size);

#endif //NOX_MATH_H