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fix(misc): in lv_map() handle if maximum value less than minimum value (#3113)

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xaowang96
2022-02-21 22:40:27 +08:00
committed by GitHub
parent d034511bba
commit 15f9a54ba4
1 changed files with 5 additions and 2 deletions
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7
src/misc/lv_math.c
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@@ -235,8 +235,11 @@ int64_t lv_pow(int64_t base, int8_t exp)
*/ */
int32_t lv_map(int32_t x, int32_t min_in, int32_t max_in, int32_t min_out, int32_t max_out) int32_t lv_map(int32_t x, int32_t min_in, int32_t max_in, int32_t min_out, int32_t max_out)
{ {
if(x >= max_in) return max_out; if(max_in >= min_in && x >= max_in) return max_out;
if(x <= min_in) return min_out; if(max_in >= min_in && x <= min_in) return min_out;
if(max_in <= min_in && x <= max_in) return max_out;
if(max_in <= min_in && x >= min_in) return min_out;
/** /**
* The equation should be: * The equation should be: