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rulegen:: addstep used in one more place

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This commit is contained in:
Zeno Rogue 2021-08-25 12:56:56 +02:00
parent 25dba5a13c
commit 83e69a4872
1 changed files with 3 additions and 2 deletions
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5
rulegen.cpp
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@ -152,6 +152,7 @@ EX void ufindc(tcell*& c) {
EX tcell *first_tcell = nullptr;
// sometimes the standard x+wstep returns nullptr because of unification
twalker addstep(twalker x) {
x.cpeek();
ufind(x);
@ -872,12 +873,12 @@ 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) cw += wstep;
if(cw.spin == d) cw = addstep(cw);
else {
auto cw1 = addstep(cw);
get_parent_dir(cw1.at);
ufind(cw1);
if(get_parent_dir(cw1.at) == cw1.spin) cw += wstep;
if(get_parent_dir(cw1.at) == cw1.spin) cw = cw1;
}
cw+=delta;
}