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style: Normalize NaN to zero as a result of calc().

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Differential Revision: https://phabricator.services.mozilla.com/D104563
This commit is contained in:
Emilio Cobos Álvarez 2021-02-10 15:30:40 +00:00
parent 20f5e14bf8
commit db03b2cf8e
4 changed files with 25 additions and 6 deletions
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11
components/style/values/mod.rs
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@ -35,6 +35,17 @@ pub mod specified;
/// A CSS float value.
pub type CSSFloat = f32;
/// Normalizes a float value to zero after a set of operations that might turn
/// it into NaN.
#[inline]
pub fn normalize(v: CSSFloat) -> CSSFloat {
if v.is_nan() {
0.0
} else {
v
}
}
/// A CSS integer value.
pub type CSSInteger = i32;