bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

update FuzzyEq to explicit self

Browse source
This commit is contained in:
Daniel Micay 2013-01-28 19:28:40 -05:00
parent 52975202af
commit abb79cb52d
1 changed files with 10 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

21
src/libstd/cmp.rs
View file

@ -18,31 +18,30 @@ use core::float;
const fuzzy_epsilon: float = 1.0e-6;
pub trait FuzzyEq {
pure fn fuzzy_eq(other: &self) -> bool;
pure fn fuzzy_eq(&self, other: &self) -> bool;
}
impl float: FuzzyEq {
pure fn fuzzy_eq(other: &float) -> bool {
return float::abs(self - *other) < fuzzy_epsilon;
pure fn fuzzy_eq(&self, other: &float) -> bool {
float::abs(*self - *other) < fuzzy_epsilon
}
}
impl f32: FuzzyEq {
pure fn fuzzy_eq(other: &f32) -> bool {
return f32::abs(self - *other) < (fuzzy_epsilon as f32);
pure fn fuzzy_eq(&self, other: &f32) -> bool {
f32::abs(*self - *other) < (fuzzy_epsilon as f32)
}
}
impl f64: FuzzyEq {
pure fn fuzzy_eq(other: &f64) -> bool {
return f64::abs(self - *other) < (fuzzy_epsilon as f64);
pure fn fuzzy_eq(&self, other: &f64) -> bool {
f64::abs(*self - *other) < (fuzzy_epsilon as f64)
}
}
#[test]
fn test_fuzzy_equals() {
assert ((&1.0).fuzzy_eq(&1.0));
assert ((&1.0f32).fuzzy_eq(&1.0f32));
assert ((&1.0f64).fuzzy_eq(&1.0f64));
assert (&1.0).fuzzy_eq(&1.0);
assert (&1.0f32).fuzzy_eq(&1.0f32);
assert (&1.0f64).fuzzy_eq(&1.0f64);
}