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Code Issues Releases Wiki Activity

rulegen:: fix unification errors

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This commit is contained in:
Zeno Rogue 2021-08-17 23:05:56 +02:00
parent 627963c634
commit 137763dae9
1 changed files with 11 additions and 4 deletions
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15
rulegen.cpp
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@ -118,7 +118,7 @@ void ufind(twalker& p) {
p = p1 + p.spin;
}
void ufindc(tcell*& c) {
EX void ufindc(tcell*& c) {
twalker cw = c; ufind(cw); c = cw.at;
}
@ -147,9 +147,9 @@ tcell *gen_tcell(int id) {
tcell* tmove(tcell *c, int d) {
if(d<0 || d >= c->type) throw hr_exception("wrong d");
if(c->move(d)) return c->move(d);
auto& co = arb::current.shapes[c->id].connections[d];
auto cd = twalker(c, d);
ufind(cd);
auto& co = arb::current.shapes[c->id].connections[cd.spin];
tcell *c1 = gen_tcell(co.sid);
connect_and_check(cd, twalker(c1, co.eid));
return c1;
@ -200,6 +200,7 @@ void check_loops(twalker pw) {
}
void connect_and_check(twalker p1, twalker p2) {
ufind(p1); ufind(p2);
p1.at->c.connect(p1.spin, p2.at, p2.spin, false);
fix_queue.push([=] { check_loops(p1); });
fix_queue.push([=] { check_loops(p2); });
@ -209,6 +210,7 @@ void connect_and_check(twalker p1, twalker p2) {
EX void unify(twalker pw1, twalker pw2) {
ufind(pw1);
ufind(pw2);
if(pw1 == pw2) return;
if(pw1.at->unified_to.at != pw1.at)
throw hr_exception("not unified to itself");
if(pw2.at->unified_to.at != pw2.at)
@ -764,8 +766,13 @@ EX set<tcell*> single_live_branch_close_to_root;
void treewalk(twalker& cw, int delta) {
int d = get_parent_dir(cw.at);
if(cw.spin == d || get_parent_dir(cw.cpeek()) == (cw+wstep).spin)
cw += wstep;
if(cw.spin == d) cw += wstep;
else {
auto cw1 = cw+wstep;
get_parent_dir(cw1.at);
ufind(cw1);
if(get_parent_dir(cw1.at) == cw1.spin) cw += wstep;
}
cw+=delta;
}