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use crate::{
FixedI128, FixedI16, FixedI32, FixedI64, FixedI8, FixedU128, FixedU16, FixedU32, FixedU64,
FixedU8, F128,
};
use az::{Cast, CheckedCast, OverflowingCast, SaturatingCast, UnwrappedCast, WrappingCast};
use half::{bf16, f16};
macro_rules! cast {
($Src:ident($nbits_src:expr); $Dst:ident($nbits_dst:expr)) => {
impl<const SRC_FRAC: i32, const DST_FRAC: i32> Cast<$Dst<DST_FRAC>> for $Src<SRC_FRAC> {
#[inline]
fn cast(self) -> $Dst<DST_FRAC> {
self.to_num()
}
}
impl<const SRC_FRAC: i32, const DST_FRAC: i32> CheckedCast<$Dst<DST_FRAC>>
for $Src<SRC_FRAC>
{
#[inline]
fn checked_cast(self) -> Option<$Dst<DST_FRAC>> {
self.checked_to_num()
}
}
impl<const SRC_FRAC: i32, const DST_FRAC: i32> SaturatingCast<$Dst<DST_FRAC>>
for $Src<SRC_FRAC>
{
#[inline]
fn saturating_cast(self) -> $Dst<DST_FRAC> {
self.saturating_to_num()
}
}
impl<const SRC_FRAC: i32, const DST_FRAC: i32> WrappingCast<$Dst<DST_FRAC>>
for $Src<SRC_FRAC>
{
#[inline]
fn wrapping_cast(self) -> $Dst<DST_FRAC> {
self.wrapping_to_num()
}
}
impl<const SRC_FRAC: i32, const DST_FRAC: i32> OverflowingCast<$Dst<DST_FRAC>>
for $Src<SRC_FRAC>
{
#[inline]
fn overflowing_cast(self) -> ($Dst<DST_FRAC>, bool) {
self.overflowing_to_num()
}
}
impl<const SRC_FRAC: i32, const DST_FRAC: i32> UnwrappedCast<$Dst<DST_FRAC>>
for $Src<SRC_FRAC>
{
#[inline]
#[track_caller]
fn unwrapped_cast(self) -> $Dst<DST_FRAC> {
self.unwrapped_to_num()
}
}
};
($Fixed:ident($nbits:expr); $Dst:ident) => {
impl<const FRAC: i32> Cast<$Dst> for $Fixed<FRAC> {
#[inline]
fn cast(self) -> $Dst {
self.to_num()
}
}
impl<const FRAC: i32> CheckedCast<$Dst> for $Fixed<FRAC> {
#[inline]
fn checked_cast(self) -> Option<$Dst> {
self.checked_to_num()
}
}
impl<const FRAC: i32> SaturatingCast<$Dst> for $Fixed<FRAC> {
#[inline]
fn saturating_cast(self) -> $Dst {
self.saturating_to_num()
}
}
impl<const FRAC: i32> WrappingCast<$Dst> for $Fixed<FRAC> {
#[inline]
fn wrapping_cast(self) -> $Dst {
self.wrapping_to_num()
}
}
impl<const FRAC: i32> OverflowingCast<$Dst> for $Fixed<FRAC> {
#[inline]
fn overflowing_cast(self) -> ($Dst, bool) {
self.overflowing_to_num()
}
}
impl<const FRAC: i32> UnwrappedCast<$Dst> for $Fixed<FRAC> {
#[inline]
#[track_caller]
fn unwrapped_cast(self) -> $Dst {
self.unwrapped_to_num()
}
}
};
($Src:ident; $Fixed:ident($nbits:expr)) => {
impl<const FRAC: i32> Cast<$Fixed<FRAC>> for $Src {
#[inline]
fn cast(self) -> $Fixed<FRAC> {
<$Fixed<FRAC>>::from_num(self)
}
}
impl<const FRAC: i32> CheckedCast<$Fixed<FRAC>> for $Src {
#[inline]
fn checked_cast(self) -> Option<$Fixed<FRAC>> {
<$Fixed<FRAC>>::checked_from_num(self)
}
}
impl<const FRAC: i32> SaturatingCast<$Fixed<FRAC>> for $Src {
#[inline]
fn saturating_cast(self) -> $Fixed<FRAC> {
<$Fixed<FRAC>>::saturating_from_num(self)
}
}
impl<const FRAC: i32> WrappingCast<$Fixed<FRAC>> for $Src {
#[inline]
fn wrapping_cast(self) -> $Fixed<FRAC> {
<$Fixed<FRAC>>::wrapping_from_num(self)
}
}
impl<const FRAC: i32> OverflowingCast<$Fixed<FRAC>> for $Src {
#[inline]
fn overflowing_cast(self) -> ($Fixed<FRAC>, bool) {
<$Fixed<FRAC>>::overflowing_from_num(self)
}
}
impl<const FRAC: i32> UnwrappedCast<$Fixed<FRAC>> for $Src {
#[inline]
#[track_caller]
fn unwrapped_cast(self) -> $Fixed<FRAC> {
<$Fixed<FRAC>>::unwrapped_from_num(self)
}
}
};
}
macro_rules! cast_num {
($Src:ident($nbits_src:expr); $($Dst:ident($nbits_dst:expr),)*) => { $(
cast! { $Src($nbits_src); $Dst($nbits_dst) }
)* };
($Fixed:ident($nbits:expr); $($Num:ident,)*) => { $(
cast! { $Fixed($nbits); $Num }
cast! { $Num; $Fixed($nbits) }
)* };
($($Fixed:ident($nbits:expr),)*) => { $(
cast_num! {
$Fixed($nbits);
FixedI8(8), FixedI16(16), FixedI32(32), FixedI64(64), FixedI128(128),
FixedU8(8), FixedU16(16), FixedU32(32), FixedU64(64), FixedU128(128),
}
cast! { bool; $Fixed($nbits) }
cast_num! {
$Fixed($nbits);
i8, i16, i32, i64, i128, isize,
u8, u16, u32, u64, u128, usize,
f16, bf16, f32, f64, F128,
}
)* };
}
cast_num! {
FixedI8(8), FixedI16(16), FixedI32(32), FixedI64(64), FixedI128(128),
FixedU8(8), FixedU16(16), FixedU32(32), FixedU64(64), FixedU128(128),
}
