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UndirectedEdge trait

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This commit is contained in:
Quaternions 2023-11-20 19:14:19 -08:00
parent f4db20c206
commit c9f2ea0308
1 changed files with 16 additions and 2 deletions
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18
src/model_physics.rs
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@ -5,13 +5,18 @@ use std::borrow::{Borrow,Cow};
pub struct VertId(usize);
#[derive(Debug,Clone,Copy,Hash,Eq,PartialEq)]
pub struct EdgeId(usize);
impl EdgeId{
pub trait UndirectedEdge{
type DirectedEdge:Copy+DirectedEdge;
fn as_directed(&self,parity:bool)->Self::DirectedEdge;
}
impl UndirectedEdge for EdgeId{
type DirectedEdge=DirectedEdgeId;
fn as_directed(&self,parity:bool)->DirectedEdgeId{
DirectedEdgeId(self.0|((parity as usize)<<(usize::BITS-1)))
}
}
pub trait DirectedEdge{
type UndirectedEdge:Copy;
type UndirectedEdge:Copy+UndirectedEdge;
fn as_undirected(&self)->Self::UndirectedEdge;
fn parity(&self)->bool;
}
@ -302,6 +307,15 @@ pub enum MinkowskiEdge{
EdgeVert(EdgeId,VertId),
//EdgeEdge when edges are parallel
}
impl UndirectedEdge for MinkowskiEdge{
type DirectedEdge=MinkowskiDirectedEdge;
fn as_directed(&self,parity:bool)->Self::DirectedEdge{
match self{
MinkowskiEdge::VertEdge(v0,e1)=>MinkowskiDirectedEdge::VertEdge(*v0,e1.as_directed(parity)),
MinkowskiEdge::EdgeVert(e0,v1)=>MinkowskiDirectedEdge::EdgeVert(e0.as_directed(parity),*v1),
}
}
}
#[derive(Clone,Copy)]
pub enum MinkowskiDirectedEdge{
VertEdge(VertId,DirectedEdgeId),