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lvgl/lv_misc/lv_math.h
2018-03-07 13:10:20 +01:00

51 lines
882 B
C

/**
* @file math_base.h
*
*/
#ifndef LV_MATH_H
#define LV_MATH_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include <stdint.h>
/*********************
* DEFINES
*********************/
#define LV_MATH_MIN(a,b) (a<b?a:b)
#define LV_MATH_MAX(a,b) (a>b?a:b)
#define LV_MATH_ABS(x) ((x)>0?(x):(-(x)))
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Convert a number to string
* @param num a number
* @param buf pointer to a `char` buffer. The result will be stored here (max 10 elements)
* @return same as `buf` (just for convenience)
*/
char * lv_math_num_to_str(int32_t num, char * buf);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif