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namespace Common {
std::pair<u64, u64> udiv128(u128 dividend, u64 divisor) {
u64 remainder = dividend[0] % divisor;
u64 accum = dividend[0] / divisor;
if (dividend[1] == 0)
return {accum, remainder};
// We ignore dividend[1] / divisor as that overflows
u64 first_segment = (dividend[1] % divisor) << 32;
accum += (first_segment / divisor) << 32;
u64 second_segment = (first_segment % divisor) << 32;
accum += (second_segment / divisor);
remainder += second_segment % divisor;
return {accum, remainder};
}
} // namespace Common
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