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use crate::io::{Decode, DecodeError, Encode, Wasmbin};
use crate::visit::Visit;
use arbitrary::Arbitrary;
#[derive(Wasmbin, Debug, Arbitrary, Clone, Visit)]
pub struct FloatConst<F> {
pub value: F,
}
impl<F> Eq for FloatConst<F> where Self: PartialEq {}
macro_rules! def_float {
($ty:ident) => {
impl Encode for $ty {
fn encode(&self, w: &mut impl std::io::Write) -> std::io::Result<()> {
self.to_le_bytes().encode(w)
}
}
impl Decode for $ty {
fn decode(r: &mut impl std::io::Read) -> Result<Self, DecodeError> {
Decode::decode(r).map($ty::from_le_bytes)
}
}
impl Visit for $ty {}
impl PartialEq for FloatConst<$ty> {
fn eq(&self, other: &Self) -> bool {
self.value == other.value || self.value.is_nan() && other.value.is_nan()
}
}
impl std::hash::Hash for FloatConst<$ty> {
fn hash<H: std::hash::Hasher>(&self, h: &mut H) {
h.write(&self.value.to_ne_bytes())
}
}
};
}
def_float!(f32);
def_float!(f64);