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Add from_f32_px_trunc and from_f64_px_trunc methods #60

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Add from_f32_px_trunc and from_f64_px_trunc methods #60

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2 changes: 1 addition & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
[package]
name = "app_units"
version = "0.7.6"
version = "0.7.7"
authors = ["The Servo Project Developers"]
description = "Servo app units type (Au)"
documentation = "https://docs.rs/app_units/"
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28 changes: 28 additions & 0 deletions src/app_unit.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -273,6 +273,18 @@ impl Au {
Au::from_f64_au(float)
}

#[inline]
pub fn from_f32_px_trunc(px: f32) -> Au {
let float = (px * AU_PER_PX as f32).trunc();
Au::from_f64_au(float as f64)
}

#[inline]
pub fn from_f64_px_trunc(px: f64) -> Au {
let float = (px * AU_PER_PX as f64).trunc();
Au::from_f64_au(float)
}

#[inline]
pub fn abs(self) -> Self {
Au(self.0.abs())
Expand Down Expand Up @@ -407,6 +419,22 @@ fn convert() {
assert_eq!(Au::from_f64_px(6.), Au(360));
assert_eq!(Au::from_f64_px(6.12), Au(367));
assert_eq!(Au::from_f64_px(6.13), Au(368));

assert_eq!(Au::from_f32_px_trunc(5.0), Au(300));
assert_eq!(Au::from_f32_px_trunc(5.2), Au(312));
assert_eq!(Au::from_f32_px_trunc(5.5), Au(330));
assert_eq!(Au::from_f32_px_trunc(5.8), Au(348));
assert_eq!(Au::from_f32_px_trunc(6.), Au(360));
assert_eq!(Au::from_f32_px_trunc(6.12), Au(367));
assert_eq!(Au::from_f32_px_trunc(6.13), Au(367));

assert_eq!(Au::from_f64_px_trunc(5.), Au(300));
assert_eq!(Au::from_f64_px_trunc(5.2), Au(312));
assert_eq!(Au::from_f64_px_trunc(5.5), Au(330));
assert_eq!(Au::from_f64_px_trunc(5.8), Au(348));
assert_eq!(Au::from_f64_px_trunc(6.), Au(360));
assert_eq!(Au::from_f64_px_trunc(6.12), Au(367));
assert_eq!(Au::from_f64_px_trunc(6.13), Au(367));
}

#[test]
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