Mul, MulAssign, Neg, Not, Rem, RemAssign, Shl, ShlAssign, Shr, ShrAssign, Sub, SubAssign,
};
-use crate::f16;
+use crate::f16::F16;
#[rustfmt::skip] // work around for https://github.com/rust-lang/rustfmt/issues/4823
macro_rules! make_float_type {
$U16;
#[int(prim = i16 $(, scalar = $ScalarI16)?)]
$I16;
- #[float(prim = f16 $(, scalar = $ScalarF16)?)]
+ #[float(prim = F16 $(, scalar = $ScalarF16)?)]
$F16;
},
{
fn to(self) -> T;
}
-impl<T, U: Into<T>> ConvertTo<T> for U {
- fn to(self) -> T {
- self.into()
- }
+macro_rules! impl_convert_to_using_as {
+ ($($src:ident -> [$($dest:ident),*];)*) => {
+ $($(
+ impl ConvertTo<$dest> for $src {
+ fn to(self) -> $dest {
+ self as $dest
+ }
+ }
+ )*)*
+ };
+ ([$($src:ident),*] -> $dest:tt;) => {
+ impl_convert_to_using_as! {
+ $(
+ $src -> $dest;
+ )*
+ }
+ };
+ ([$($src:ident),*];) => {
+ impl_convert_to_using_as! {
+ [$($src),*] -> [$($src),*];
+ }
+ };
+}
+
+impl_convert_to_using_as! {
+ [u8, i8, u16, i16, u32, i32, u64, i64, f32, f64];
}
pub trait Number:
{
}
+impl<T> Number for T where
+ T: Compare
+ + Add<Output = Self>
+ + Sub<Output = Self>
+ + Mul<Output = Self>
+ + Div<Output = Self>
+ + Rem<Output = Self>
+ + AddAssign
+ + SubAssign
+ + MulAssign
+ + DivAssign
+ + RemAssign
+{
+}
+
pub trait BitOps:
Copy
+ BitAnd<Output = Self>
{
}
+impl<T> BitOps for T where
+ T: Copy
+ + BitAnd<Output = Self>
+ + BitOr<Output = Self>
+ + BitXor<Output = Self>
+ + Not<Output = Self>
+ + BitAndAssign
+ + BitOrAssign
+ + BitXorAssign
+{
+}
+
pub trait Int<ShiftRhs>:
Number
+ BitOps
pub trait SInt<ShiftRhs>: Int<ShiftRhs> + Neg<Output = Self> {}
+macro_rules! impl_uint {
+ ($($ty:ident),*) => {
+ $(
+ impl Int<u32> for $ty {}
+ impl UInt<u32> for $ty {}
+ )*
+ };
+}
+
+impl_uint![u8, u16, u32, u64];
+
+macro_rules! impl_int {
+ ($($ty:ident),*) => {
+ $(
+ impl Int<u32> for $ty {}
+ impl SInt<u32> for $ty {}
+ )*
+ };
+}
+
+impl_int![i8, i16, i32, i64];
+
pub trait Float<BitsShiftRhs>: Number + Neg<Output = Self> {
type BitsType: UInt<BitsShiftRhs>;
fn abs(self) -> Self;
fn ceil(self) -> Self;
fn floor(self) -> Self;
fn round(self) -> Self;
+ #[cfg(feature = "fma")]
fn fma(self, a: Self, b: Self) -> Self;
fn is_nan(self) -> Self::Bool;
- fn is_infinity(self) -> Self::Bool;
+ fn is_infinite(self) -> Self::Bool;
fn is_finite(self) -> Self::Bool;
fn from_bits(v: Self::BitsType) -> Self;
fn to_bits(self) -> Self::BitsType;
}
+macro_rules! impl_float {
+ ($ty:ty, $bits:ty) => {
+ impl Float<u32> for $ty {
+ type BitsType = $bits;
+ fn abs(self) -> Self {
+ #[cfg(feature = "std")]
+ return self.abs();
+ #[cfg(not(feature = "std"))]
+ todo!();
+ }
+ fn trunc(self) -> Self {
+ #[cfg(feature = "std")]
+ return self.trunc();
+ #[cfg(not(feature = "std"))]
+ todo!();
+ }
+ fn ceil(self) -> Self {
+ #[cfg(feature = "std")]
+ return self.ceil();
+ #[cfg(not(feature = "std"))]
+ todo!();
+ }
+ fn floor(self) -> Self {
+ #[cfg(feature = "std")]
+ return self.floor();
+ #[cfg(not(feature = "std"))]
+ todo!();
+ }
+ fn round(self) -> Self {
+ #[cfg(feature = "std")]
+ return self.round();
+ #[cfg(not(feature = "std"))]
+ todo!();
+ }
+ #[cfg(feature = "fma")]
+ fn fma(self, a: Self, b: Self) -> Self {
+ self.mul_add(a, b)
+ }
+ fn is_nan(self) -> Self::Bool {
+ self.is_nan()
+ }
+ fn is_infinite(self) -> Self::Bool {
+ self.is_infinite()
+ }
+ fn is_finite(self) -> Self::Bool {
+ self.is_finite()
+ }
+ fn from_bits(v: Self::BitsType) -> Self {
+ <$ty>::from_bits(v)
+ }
+ fn to_bits(self) -> Self::BitsType {
+ self.to_bits()
+ }
+ }
+ };
+}
+
+impl_float!(f32, u32);
+impl_float!(f64, u64);
+
pub trait Bool: BitOps {}
+impl Bool for bool {}
+
pub trait Select<T>: Bool {
fn select(self, true_v: T, false_v: T) -> T;
}
+impl<T> Select<T> for bool {
+ fn select(self, true_v: T, false_v: T) -> T {
+ if self {
+ true_v
+ } else {
+ false_v
+ }
+ }
+}
pub trait Compare: Copy {
type Bool: Bool + Select<Self>;
fn eq(self, rhs: Self) -> Self::Bool;
fn le(self, rhs: Self) -> Self::Bool;
fn ge(self, rhs: Self) -> Self::Bool;
}
+
+macro_rules! impl_compare_using_partial_cmp {
+ ($($ty:ty),*) => {
+ $(
+ impl Compare for $ty {
+ type Bool = bool;
+ fn eq(self, rhs: Self) -> Self::Bool {
+ self == rhs
+ }
+ fn ne(self, rhs: Self) -> Self::Bool {
+ self != rhs
+ }
+ fn lt(self, rhs: Self) -> Self::Bool {
+ self < rhs
+ }
+ fn gt(self, rhs: Self) -> Self::Bool {
+ self > rhs
+ }
+ fn le(self, rhs: Self) -> Self::Bool {
+ self <= rhs
+ }
+ fn ge(self, rhs: Self) -> Self::Bool {
+ self >= rhs
+ }
+ }
+ )*
+ };
+}
+
+impl_compare_using_partial_cmp![u8, i8, u16, i16, F16, u32, i32, f32, u64, i64, f64];