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Adding fused div_add #149

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c127d65
div_add
PaulXiCao Oct 17, 2025
4b11856
div_add_ref
PaulXiCao Oct 17, 2025
13b7a02
overloaded div_add via DivAdd trait
PaulXiCao Oct 17, 2025
fba3b58
elide explicit lifetimes
PaulXiCao Oct 17, 2025
fc1a767
add tests
PaulXiCao Oct 17, 2025
49503f0
simplify div_add impl: use Div, Add
PaulXiCao Oct 25, 2025
e8ce020
test ref impl of div_add
PaulXiCao Oct 25, 2025
4376f8e
specify trait bound `Mul`
PaulXiCao Oct 25, 2025
ccec572
DivAdd trait pub visibility
PaulXiCao Oct 25, 2025
90da11d
cleanup usages in test module
PaulXiCao Oct 25, 2025
1a0ab93
move trait bounds into where clause
PaulXiCao Oct 25, 2025
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move trait bounds into where clause
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@PaulXiCao
PaulXiCao committed Oct 25, 2025
commit 1a0ab93fe51192f5099c7b5e183a0918ade420f5
10 changes: 7 additions & 3 deletions src/lib.rs
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Expand Up @@ -831,8 +831,9 @@ pub trait DivAdd<Rhs = Self, Addend = Self> {

// (a + i b) / (c + i d) + (e + i f) == [(a + i b) * (c - i d)] / (c*c + d*d) + (e + i f)
// == {(a*c + b*d) + i (-a*d + b*c)} / n + (e + i f) for n=(c*c + d*d)
impl<T: Clone + Num + Mul<Output = T> + MulAdd<Output = T> + Neg<Output = T>> DivAdd<Complex<T>>
for Complex<T>
impl<T> DivAdd<Complex<T>> for Complex<T>
where
T: Clone + Num + Mul<Output = T> + MulAdd<Output = T> + Neg<Output = T>,
{
type Output = Self;

Expand All @@ -848,7 +849,10 @@ impl<T: Clone + Num + Mul<Output = T> + MulAdd<Output = T> + Neg<Output = T>> Di
Self::new(re, im) / n + add
}
}
impl<T: Clone + Num + MulAdd<Output = T> + Neg<Output = T>> DivAdd<&Complex<T>> for &Complex<T> {
impl<T> DivAdd<&Complex<T>> for &Complex<T>
where
T: Clone + Num + Mul<Output = T> + MulAdd<Output = T> + Neg<Output = T>,
{
type Output = Complex<T>;

#[inline]
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