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Use more precise implementations

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This commit is contained in:
Gwilym Kuiper 2021-06-05 15:46:13 +01:00
parent 9286378a36
commit 8b2f3f14bb
1 changed files with 4 additions and 20 deletions
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24
agb/src/number.rs
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@ -41,42 +41,26 @@ impl<const N: usize> SubAssign for Num<N> {
impl<const N: usize> Mul for Num<N> {
type Output = Self;
fn mul(self, rhs: Num<N>) -> Self::Output {
if N % 2 == 0 {
Num((self.0 >> (N / 2)) * (rhs.0 >> (N / 2)))
} else {
Num((self.0 >> (1 + N / 2)) * (rhs.0 >> (N / 2)))
}
Num((self.0 * rhs.0) >> N)
}
}
impl<const N: usize> MulAssign for Num<N> {
fn mul_assign(&mut self, rhs: Self) {
if N % 2 == 0 {
self.0 = (self.0 >> (N / 2)) * (rhs.0 >> (N / 2))
} else {
self.0 = (self.0 >> (1 + N / 2)) * (rhs.0 >> (N / 2))
}
self.0 = (*self * rhs).0
}
}
impl<const N: usize> Div for Num<N> {
type Output = Self;
fn div(self, rhs: Num<N>) -> Self::Output {
if N % 2 == 0 {
Num((self.0 << (N / 2)) / (rhs.0 >> (N / 2)))
} else {
Num((self.0 << (1 + N / 2)) / (rhs.0 >> (N / 2)))
}
Num((self.0 << N) / rhs.0)
}
}
impl<const N: usize> DivAssign for Num<N> {
fn div_assign(&mut self, rhs: Self) {
if N % 2 == 0 {
self.0 = (self.0 << (N / 2)) / (rhs.0 >> (N / 2))
} else {
self.0 = (self.0 << (1 + N / 2)) / (rhs.0 >> (N / 2))
}
self.0 = (*self / rhs).0
}
}