Fix test floating point comparison to tolerate imprecise FPUs.

Elliott Slaughter · Elliott Slaughter · commit 1e27d1994fbf · 2012-07-24T16:15:30.000-07:00
diff --git a/src/test/run-pass/utf8_idents.rs b/src/test/run-pass/utf8_idents.rs
@@ -1,7 +1,8 @@
 fn main() {
+    let ε = 0.00001;
     let Π = 3.14;
     let लंच = Π * Π + 1.54;
-    assert लंच - 1.54 == Π * Π;
+    assert float::abs((लंच - 1.54) - (Π * Π)) < ε;
     assert საჭმელად_გემრიელი_სადილი() == 0;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,8 @@`
`1`	`1`	`fn main() {`
	`2`	`+ let ε = 0.00001;`
`2`	`3`	`let Π = 3.14;`
`3`	`4`	`let लंच = Π * Π + 1.54;`
`4`		`- assert लंच - 1.54 == Π * Π;`
	`5`	`+ assert float::abs((लंच - 1.54) - (Π * Π)) < ε;`
`5`	`6`	`assert საჭმელად_გემრიელი_სადილი() == 0;`
`6`	`7`	`}`
`7`	`8`