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Fix warnings related to the POrd implementation.

This commit is contained in:
Sébastien Crozet 2015-01-09 22:34:57 +01:00
parent e6e099b7c4
commit 2d4e1bfc95
3 changed files with 31 additions and 32 deletions
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2
src/structs/pnt.rs
View File

@ -41,7 +41,7 @@ pub struct Pnt1<N> {
new_impl!(Pnt1, x);
orig_impl!(Pnt1, x);
ord_impl!(Pnt1, x);
ord_impl!(Pnt1, x,);
scalar_mul_impl!(Pnt1, x);
scalar_div_impl!(Pnt1, x);
scalar_add_impl!(Pnt1, x);

2
src/structs/vec.rs
View File

@ -41,7 +41,7 @@ pub struct Vec1<N> {
}
new_impl!(Vec1, x);
ord_impl!(Vec1, x);
ord_impl!(Vec1, x,);
vec_axis_impl!(Vec1, x);
vec_cast_impl!(Vec1, x);
as_array_impl!(Vec1, 1);

43
src/structs/vec_macros.rs
View File

@ -78,74 +78,73 @@ macro_rules! at_fast_impl(
// FIXME: N should be bounded by Ord instead of BaseFloat…
// However, f32/f64 does not implement Ord…
macro_rules! ord_impl(
($t: ident, $($compN: ident),+) => (
($t: ident, $comp0: ident, $($compN: ident),*) => (
impl<N: BaseFloat + Copy> POrd for $t<N> {
#[inline]
fn inf(&self, other: &$t<N>) -> $t<N> {
$t::new($(self.$compN.min(other.$compN)),+)
$t::new(self.$comp0.min(other.$comp0)
$(, self.$compN.min(other.$compN))*)
}
#[inline]
fn sup(&self, other: &$t<N>) -> $t<N> {
$t::new($(self.$compN.max(other.$compN)),+)
$t::new(self.$comp0.max(other.$comp0)
$(, self.$compN.max(other.$compN))*)
}
#[inline]
#[allow(unused_mut)] // otherwise there will be a warning for is_eq or Vec1.
fn partial_cmp(&self, other: &$t<N>) -> POrdering {
let mut first = true;
let mut is_lt = false;
let mut is_eq = false;
let is_lt = self.$comp0 < other.$comp0;
let mut is_eq = self.$comp0 == other.$comp0;
if is_lt { // <
$(
if first {
is_lt = self.$compN < other.$compN;
is_eq = self.$compN == other.$compN;
first = false;
}
else if is_lt { // <
if self.$compN > other.$compN {
return POrdering::NotComparable
}
)*
POrdering::PartialLess
}
else { // >=
$(
if self.$compN < other.$compN {
return POrdering::NotComparable
}
else if self.$compN > other.$compN {
is_eq = false;
}
}
)+
if is_lt {
POrdering::PartialLess
}
else if is_eq {
)*
if is_eq {
POrdering::PartialEqual
}
else {
POrdering::PartialGreater
}
}
}
#[inline]
fn partial_lt(&self, other: &$t<N>) -> bool {
$(self.$compN < other.$compN)&&+
self.$comp0 < other.$comp0 $(&& self.$compN < other.$compN)*
}
#[inline]
fn partial_le(&self, other: &$t<N>) -> bool {
$(self.$compN <= other.$compN)&&+
self.$comp0 <= other.$comp0 $(&& self.$compN <= other.$compN)*
}
#[inline]
fn partial_gt(&self, other: &$t<N>) -> bool {
$(self.$compN > other.$compN)&&+
self.$comp0 > other.$comp0 $(&& self.$compN > other.$compN)*
}
#[inline]
fn partial_ge(&self, other: &$t<N>) -> bool {
$(self.$compN >= other.$compN)&&+
self.$comp0 >= other.$comp0 $(&& self.$compN >= other.$compN)*
}
}
)