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get_child, right_child, left_child

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Zeno Rogue 2023-09-14 15:07:13 +02:00
parent 49ca18aef3
commit 8568f6489c
1 changed files with 9 additions and 0 deletions
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9
expansion.cpp
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@ -554,6 +554,15 @@ EX namespace ts {
return c->cmodmove(pid + (valence() == 3 ? 2 : 1) + id); return c->cmodmove(pid + (valence() == 3 ? 2 : 1) + id);
} }
EX cell *get_child(cell *c, const cellfunction& cf, int v) {
for(int i=0; i<c->type; i++) if(cf(c->cmodmove(i+v)) <= cf(c) && cf(c->cmodmove(i)) > cf(c))
return c->cmodmove(i);
return nullptr;
}
EX cell *right_child(cell *c, const cellfunction& cf) { return get_child(c, cf, -1); }
EX cell *left_child(cell *c, const cellfunction& cf) { return get_child(c, cf, 1); }
#if HDR #if HDR
inline cell *left_parent(cell *c, const cellfunction& cf) { return verified_add(c, 1, 0, cf); } inline cell *left_parent(cell *c, const cellfunction& cf) { return verified_add(c, 1, 0, cf); }
inline cell *right_parent(cell *c, const cellfunction& cf) { return verified_add(c, -1, 0, cf); } inline cell *right_parent(cell *c, const cellfunction& cf) { return verified_add(c, -1, 0, cf); }