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