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sprinkle const around

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numzero 2026-02-17 00:49:15 +03:00
parent ea84e653ac
commit b48b9bef92
1 changed files with 6 additions and 6 deletions
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12
src/conv.rs
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@ -41,23 +41,23 @@ impl From<F8> for f32 {
impl F8 { impl F8 {
/// Split self into the mantissa and exponent, as stored. /// Split self into the mantissa and exponent, as stored.
pub(crate) fn split(self) -> (u8, u8) { pub(crate) const fn split(self) -> (u8, u8) {
(self.0 & M_MASK, self.0 >> M_BITS) (self.0 & M_MASK, self.0 >> M_BITS)
} }
/// Split self into integers (m, e) such that `self == m * 2.pow(e)`. /// Split self into integers (m, e) such that `self == m * 2.pow(e)`.
pub(crate) fn split_unbias(self) -> (u8, i8) { pub(crate) const fn split_unbias(self) -> (u8, i8) {
let (m, e) = self.split(); let (m, e) = self.split();
(m | M_BIAS, e as i8 - (E_BIAS + M_BITS) as i8) (m | M_BIAS, e as i8 - (E_BIAS + M_BITS) as i8)
} }
pub(crate) fn merge(m: u8, e: u8) -> Self { pub(crate) const fn merge(m: u8, e: u8) -> Self {
assert!(m <= M_STORAGE_MAX); assert!(m <= M_STORAGE_MAX);
assert!(e <= E_STORAGE_MAX); assert!(e <= E_STORAGE_MAX);
Self((e << M_BITS) | m) Self((e << M_BITS) | m)
} }
pub(crate) fn merge_unbias(in_m: u32, in_e: i32) -> Self { pub(crate) const fn merge_unbias(in_m: u32, in_e: i32) -> Self {
if in_m == 0 { if in_m == 0 {
return Self(0); return Self(0);
} }
@ -74,11 +74,11 @@ impl F8 {
Self::merge(m as u8 & M_STORAGE_MAX, e as u8) Self::merge(m as u8 & M_STORAGE_MAX, e as u8)
} }
pub fn from_bits(bits: u8) -> Self { pub const fn from_bits(bits: u8) -> Self {
Self(bits) Self(bits)
} }
pub fn to_bits(self) -> u8 { pub const fn to_bits(self) -> u8 {
self.0 self.0
} }