gui_math.h

/*
 * Copyright (c) 2019 Tilen MAJERLE
 *  
 * 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.
 *
 * This file is part of EasyGUI library.
 *
 * Author:          Tilen Majerle <tilen@majerle.eu>
 */
#ifndef GUI_HDR_MATH_H
#define GUI_HDR_MATH_H

/* C++ detection */
#ifdef __cplusplus
extern "C" {
#endif

#include "gui_utils.h"
#include <math.h>
#include <errno.h>

uint8_t gui_math_sqrt(float x, float* const result);
uint8_t gui_math_rsqrt(float x, float* const result);
uint8_t gui_math_distancebetweenxy(float x1, float y1, float x2, float y2, float* const result);
uint8_t gui_math_centerofxy(float x1, float y1, float x2, float y2, float* const resultx, float* const resulty);
    
/* C++ detection */
#ifdef __cplusplus
}
#endif

#endif /* GUI_HDR_MATH_H */