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gingerBill
2017-12-12 23:39:20 +00:00
parent c980a30bad
commit 367013f589
8 changed files with 104 additions and 84 deletions
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7
src/integer128.cpp
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@@ -491,6 +491,11 @@ void u128_divide(u128 a, u128 b, u128 *quo, u128 *rem) {
if (rem) *rem = U128_ZERO;
return;
}
if (a.hi == 0 && b.hi == 0) {
if (quo) *quo = u128_from_u64(a.lo/b.lo);
if (rem) *rem = u128_from_u64(a.lo%b.lo);
return;
}
u128 r = a;
u128 d = b;
u128 x = U128_ONE;
@@ -670,7 +675,7 @@ i128 i128_mul(i128 a, i128 b) {
}
void i128_divide(i128 a, i128 b, i128 *quo_, i128 *rem_) {
// TODO(bill): Optimize this i128 division calculation
// IMPORTANT TODO(bill): Optimize this i128 division calculation
i128 iquo = {0};
i128 irem = {0};
if (a.hi == 0 && b.hi == 0) {