now working bisimilarity

This commit is contained in:
elvis
2025-07-16 01:35:57 +02:00
parent e5f81301c6
commit 0ef51200e5
3 changed files with 55 additions and 29 deletions

View File

@ -1,21 +1,11 @@
use std::collections::{BTreeSet, HashMap};
use petgraph::visit::{EdgeIndexable, EdgeRef, IntoEdgeReferences, IntoEdges, IntoNodeReferences, NodeIndexable};
#[allow(dead_code)]
fn print_type_of<T>(_: &T) {
println!("type: {}", std::any::type_name::<T>());
}
use petgraph::visit::{ EdgeIndexable,
EdgeRef,
IntoEdgeReferences,
IntoEdges,
IntoNodeReferences,
NodeIndexable };
struct GraphPartition<'a, G>
where
@ -30,6 +20,25 @@ where
blocks: BTreeSet<u32>
}
fn equal_vectors<T>(a: &Vec<T>, b: &Vec<T>) -> bool
where
T: PartialEq
{
for el in a {
if !b.contains(el) {
return false;
}
}
for el in b {
if !a.contains(el) {
return false;
}
}
true
}
impl<'a, G> GraphPartition<'a, G>
where
G: EdgeIndexable + NodeIndexable + IntoEdgeReferences + IntoNodeReferences
@ -74,12 +83,13 @@ where
&self,
label: &G::EdgeRef,
s: &(usize, G::NodeId)
) -> Vec<(usize, G::NodeId)>
) -> Vec<u32>
where <G as IntoEdgeReferences>::EdgeRef: PartialEq
{
let mut val = vec![];
for el in self.graphs[s.0].edges(s.1).filter(|x| x == label) {
val.push((s.0, el.target()));
let tmp = (s.0, el.target());
val.push(*self.node_to_block.get(&tmp).unwrap());
}
val
}
@ -99,15 +109,13 @@ where
let reachable_blocks_s = self.reachable_blocks(label, s);
'outer: for t in nodes {
for t in nodes {
let reachable_blocks_t = self.reachable_blocks(label, t);
for rbt in reachable_blocks_t {
if !reachable_blocks_s.contains(&rbt) {
b2.push(*t);
continue 'outer;
}
if equal_vectors(&reachable_blocks_s, &reachable_blocks_t) {
b1.push(t);
} else {
b2.push(*t);
}
b1.push(t);
}
if b2.is_empty() {