diff options
Diffstat (limited to 'src/libs/lvgl/src/lv_misc/lv_math.h')
| -rw-r--r-- | src/libs/lvgl/src/lv_misc/lv_math.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/libs/lvgl/src/lv_misc/lv_math.h b/src/libs/lvgl/src/lv_misc/lv_math.h index dc2c547d..0f93a7c6 100644 --- a/src/libs/lvgl/src/lv_misc/lv_math.h +++ b/src/libs/lvgl/src/lv_misc/lv_math.h @@ -22,6 +22,11 @@ extern "C" { #define LV_MATH_MAX(a, b) ((a) > (b) ? (a) : (b)) #define LV_MATH_ABS(x) ((x) > 0 ? (x) : (-(x))) +#define LV_IS_SIGNED(t) (((t)(-1)) < ((t) 0)) +#define LV_UMAX_OF(t) (((0x1ULL << ((sizeof(t) * 8ULL) - 1ULL)) - 1ULL) | (0xFULL << ((sizeof(t) * 8ULL) - 4ULL))) +#define LV_SMAX_OF(t) (((0x1ULL << ((sizeof(t) * 8ULL) - 1ULL)) - 1ULL) | (0x7ULL << ((sizeof(t) * 8ULL) - 4ULL))) +#define LV_MAX_OF(t) ((unsigned long) (LV_IS_SIGNED(t) ? LV_SMAX_OF(t) : LV_UMAX_OF(t))) + #define LV_TRIGO_SIN_MAX 32767 #define LV_TRIGO_SHIFT 15 /**< >> LV_TRIGO_SHIFT to normalize*/ |