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60 add avl tree as an alternative backend data structures for copy efficent persistent data structures #61

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60 add avl tree as an alternative backend data structures for copy efficent persistent data structures #61

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09237d5
Add initial persistent AVL tree map implementation
kaizhx May 12, 2026
c91ef07
Fix checkstyle
kaizhx May 12, 2026
279b052
Fix checkstyle
kaizhx May 12, 2026
77e8fa9
Fix checkstyle
kaizhx May 12, 2026
e71d63a
Fix wrong rotation logic during right heavy AVL imbalances
kaizhx May 17, 2026
60f3f34
Change getBalanceFactor return type from byte to int
kaizhx May 17, 2026
22c0cd0
Add initial test suite for AVL tree map
kaizhx May 17, 2026
21b38f3
Add error message for AVL height invariant check
kaizhx May 17, 2026
e94e6df
Unify return path in AVL removeAndCopy
kaizhx May 17, 2026
a4f0e97
Fix checkstyle
kaizhx May 18, 2026
7d52969
Add initial behavioral equivalence tests between AVL and LLRB
kaizhx May 18, 2026
13bc151
Add setup and teardown for behavioral equivalence test
kaizhx May 19, 2026
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2 changes: 2 additions & 0 deletions src/org/sosy_lab/common/collect/AbstractImmutableSortedMap.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@
abstract sealed class AbstractImmutableSortedMap<K, V extends @Nullable Object>
extends AbstractImmutableMap<K, V> implements OurSortedMap<K, V>
permits OurSortedMap.EmptyImmutableOurSortedMap,
PathCopyingPersistentAvlTreeMap,
PathCopyingPersistentAvlTreeMap.PartialSortedMap,
PathCopyingPersistentTreeMap,
PathCopyingPersistentTreeMap.PartialSortedMap {

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1 change: 1 addition & 0 deletions src/org/sosy_lab/common/collect/OurSortedMap.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
sealed interface OurSortedMap<K, V extends @Nullable Object> extends NavigableMap<K, V>
permits AbstractImmutableSortedMap,
DescendingSortedMap,
PathCopyingPersistentAvlTreeMap.PartialSortedMap,
PathCopyingPersistentTreeMap.PartialSortedMap {

Iterator<Entry<K, V>> entryIterator();
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