Auto merge of #36 - servo:fix-trunc, r=jdm

bors-servo · web-flow · commit 8e3ccb57d20e · 2017-09-07T17:43:48.000-05:00
Fix scale_by_trunc

None
diff --git a/src/app_unit.rs b/src/app_unit.rs
@@ -199,9 +199,9 @@ impl Au {
     }
 
     #[inline]
-    /// Scale, but round down (useful for viewport-relative units)
+    /// Scale, but truncate (useful for viewport-relative units)
     pub fn scale_by_trunc(self, factor: f32) -> Au {
-        let new_float = ((self.0 as f64) * factor as f64).floor();
+        let new_float = ((self.0 as f64) * factor as f64).trunc();
         Au::from_f64_au(new_float)
     }
 

Original file line number	Diff line number	Diff line change
`@@ -199,9 +199,9 @@ impl Au {`
`199`	`199`	`}`
`200`	`200`
`201`	`201`	`#[inline]`
`202`		`- /// Scale, but round down (useful for viewport-relative units)`
	`202`	`+ /// Scale, but truncate (useful for viewport-relative units)`
`203`	`203`	`pub fn scale_by_trunc(self, factor: f32) -> Au {`
`204`		`- let new_float = ((self.0 as f64) * factor as f64).floor();`
	`204`	`+ let new_float = ((self.0 as f64) * factor as f64).trunc();`
`205`	`205`	`Au::from_f64_au(new_float)`
`206`	`206`	`}`
`207`	`207`