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includes/std: Added fixed point change_precision function

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WerWolv
2021-10-04 20:32:07 +02:00
parent e35ab5b459
commit f5602b672c
1 changed files with 4 additions and 0 deletions
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4
includes/libstd/fxpt.pat
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@@ -9,6 +9,10 @@ namespace std::fxpt {
fn to_fixed(double flt, u32 precision) { fn to_fixed(double flt, u32 precision) {
return fixed((flt * (1 << precision))); return fixed((flt * (1 << precision)));
}; };
fn change_precision(fixed value, u32 start_precision, u32 end_precision) {
return std::fxpt::to_fixed(std::fxpt::to_float(value, start_precision), end_precision);
}
fn add(fixed a, fixed b, u32 precision) { fn add(fixed a, fixed b, u32 precision) {
return a + b; return a + b;