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fix floats being incorrectly rounded

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This commit is contained in:
mat 2024-10-07 16:02:35 +00:00
commit d7eb3e4ed1
2 changed files with 7 additions and 6 deletions
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9
simdnbt/src/borrow/compound.rs
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@ -357,16 +357,17 @@ pub(crate) fn read_tag<'a>(
}
FLOAT_ID => {
let float = data.read_f32()?;
tapes
.main
.push(TapeElement::new_with_u32(TapeTagKind::Float, float as u32));
tapes.main.push(TapeElement::new_with_u32(
TapeTagKind::Float,
float.to_bits(),
));
}
DOUBLE_ID => {
let double = data.read_f64()?;
tapes
.main
.push(TapeElement::new_with_0(TapeTagKind::Double));
tapes.main.push(TapeElement::new(double as u64));
tapes.main.push(TapeElement::new(double.to_bits()));
}
BYTE_ARRAY_ID => {
let byte_array_ptr = data.cur;

4
simdnbt/src/borrow/mod.rs
View file

@ -386,14 +386,14 @@ impl<'a: 'tape, 'tape> NbtTag<'a, 'tape> {
pub fn float(&self) -> Option<f32> {
let el = self.element();
ensure_kind(el, TapeTagKind::Float)?;
Some(el.u32() as f32)
Some(f32::from_bits(el.u32()))
}
pub fn double(&self) -> Option<f64> {
let el = self.element();
ensure_kind(el, TapeTagKind::Double)?;
// the value is in the next element because doubles are too big to fit in a single element
let value_el = unsafe { *self.element.add(1) };
Some(value_el.u64() as f64)
Some(f64::from_bits(value_el.u64()))
}
pub fn byte_array(&self) -> Option<&'a [u8]> {
let el = self.element();