use crate::numeric::float::Float;
pub trait MulAdd<A = Self, B = Self> {
type Output;
fn mul_add(self, a: A, b: B) -> Self::Output;
}
pub trait MullAddAssign<A = Self, B = Self> {
fn mull_add_assign(&mut self, a: A, b: B);
}
impl MulAdd<f32, f32> for f32 {
type Output = Self;
#[inline]
fn mul_add(self, a: Self, b: Self) -> Self::Output {
<Self as Float>::mul_add(self, a, b)
}
}
impl MulAdd<f64, f64> for f64 {
type Output = Self;
#[inline]
fn mul_add(self, a: Self, b: Self) -> Self::Output {
<Self as Float>::mul_add(self, a, b)
}
}
macro_rules! mul_add_impl {
($($t:ty)*) => {$(
impl MulAdd for $t {
type Output = Self;
#[inline]
fn mul_add(self, a: Self, b: Self) -> Self::Output {
(self * a) + b
}
}
)*}
}
mul_add_impl!(isize usize i8 u8 i16 u16 i32 u32 i64 u64);