README.md

@@ -1,6 +1,6 @@
 # structure
 
-暂时没时间整理, 后期才整理完整.
+暂时没时间整理, 后期才整理完整
 
 ## PriorityQueue
 

TODO

@@ -1,2 +1 @@
-1.旋转的size数值计算错误
+add iterator test every file
-2.当左数比右数小的时候, 应该把split的数分配左边, 现在测试是一直保持拆分到右边

go.mod

@@ -1,9 +1,8 @@
-module focus
+module github.com/474420502/focus
 
-go 1.14
+go 1.12
 
 require (
-	github.com/474420502/focus v0.8.1 // indirect
 	github.com/Pallinder/go-randomdata v1.1.0
 	github.com/davecgh/go-spew v1.1.1
 )

go.sum

@@ -1,5 +1,3 @@
-github.com/474420502/focus v0.8.1 h1:PZwCgzcnxwx7ZZCWc/XKLVaZPH9e4YX9cP4ckyT2HDA=
-github.com/474420502/focus v0.8.1/go.mod h1:jrDXvK1CnUJ3PCR3ZJVYinbS2Yz5kM8OoAbCLe6AF7Y=
 github.com/Pallinder/go-randomdata v1.1.0 h1:gUubB1IEUliFmzjqjhf+bgkg1o6uoFIkRsP3VrhEcx8=
 github.com/Pallinder/go-randomdata v1.1.0/go.mod h1:yHmJgulpD2Nfrm0cR9tI/+oAgRqCQQixsA8HyRZfV9Y=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=

list/array_list/array_list.go

@@ -3,8 +3,7 @@ package arraylist
 import (
 	"log"
 
-	"focus/list"
+	"github.com/474420502/focus/list"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

list/linked_list/linked_list.go

@@ -3,8 +3,7 @@ package linkedlist
 import (
 	"fmt"
 
-	"focus/list"
+	"github.com/474420502/focus/list"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

list/priority_list/priority_list.go

@@ -3,8 +3,8 @@ package plist
 import (
 	"strings"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/list"
+	"github.com/474420502/focus/list"
 	"github.com/davecgh/go-spew/spew"
 )
 

list/priority_list/priority_list_test.go

@@ -7,8 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

map/linked_hashmap/linked_hashmap.go

@@ -1,8 +1,7 @@
 package linkedhashmap
 
 import (
-	linkedlist "focus/list/linked_list"
+	linkedlist "github.com/474420502/focus/list/linked_list"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

map/treemap/treemap.go

@@ -5,8 +5,8 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree/avlkeydup"
+	"github.com/474420502/focus/tree/avlkeydup"
 )
 
 type TreeMap struct {

priority_queue/iterator.go

@@ -1,7 +1,7 @@
 package pqueue
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

priority_queue/priority_queue.go

@@ -1,7 +1,7 @@
 package pqueue
 
 import (
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 	"github.com/davecgh/go-spew/spew"
 )
 

priority_queue/priority_queue_test.go

@@ -5,7 +5,7 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestQueuePush(t *testing.T) {

priority_queue/vbt.go

@@ -3,7 +3,7 @@ package pqueue
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 type Node struct {
@@ -451,9 +451,9 @@ func (tree *vbTree) Put(key interface{}) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				cur = tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -861,9 +861,9 @@ func (tree *vbTree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				cur = tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

priority_queue/vbt_test.go

@@ -7,7 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 
 	"github.com/davecgh/go-spew/spew"
 )

priority_queuekey/iterator.go

@@ -1,7 +1,7 @@
 package pqueuekey
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

priority_queuekey/priority_queuekey.go

@@ -1,8 +1,7 @@
 package pqueuekey
 
 import (
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

priority_queuekey/priority_queuekey_test.go

@@ -4,8 +4,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

priority_queuekey/vbt_test.go

@@ -7,7 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 
 	"github.com/davecgh/go-spew/spew"
 )

priority_queuekey/vbtkey.go

@@ -3,7 +3,7 @@ package pqueuekey
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 type Node struct {
@@ -451,9 +451,9 @@ func (tree *vbTree) Put(key, value interface{}) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				cur = tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -861,9 +861,9 @@ func (tree *vbTree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				cur = tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

set/treeset/treeset.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"strings"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree/avldup"
+	"github.com/474420502/focus/tree/avldup"
 )
 
 // TreeSet

set/treeset/treeset_test.go

@@ -6,8 +6,8 @@ import (
 
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree/avldup"
+	"github.com/474420502/focus/tree/avldup"
 )
 
 func TestTreeSet_Add(t *testing.T) {

stack/listarraystack/lastack.go

@@ -1,8 +1,7 @@
 package lastack
 
 import (
-	"focus/stack"
+	"github.com/474420502/focus/stack"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

stack/liststack/stack.go

@@ -1,8 +1,7 @@
 package lastack
 
 import (
-	"focus/stack"
+	"github.com/474420502/focus/stack"
-
 	"github.com/davecgh/go-spew/spew"
 )
 
@@ -20,6 +19,7 @@ func assertImplementation() {
 	var _ stack.IStack = (*Stack)(nil)
 }
 
+
 func New() *Stack {
 	s := &Stack{}
 	s.size = 0

tree/avl/avl.go

@@ -3,8 +3,8 @@ package avl
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {

tree/avl/avl_test.go

@@ -7,8 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

tree/avl/iterator.go

@@ -1,7 +1,7 @@
 package avl
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/avl/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/avldup/avldup.go

@@ -3,8 +3,8 @@ package avldup
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {

tree/avldup/avldup_test.go

@@ -7,8 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

tree/avldup/iterator.go

@@ -1,7 +1,7 @@
 package avldup
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/avldup/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/avlkey/avlkey.go

@@ -3,8 +3,8 @@ package avlkey
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {

tree/avlkey/avlkey_test.go

@@ -7,8 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

tree/avlkey/iterator.go

@@ -1,7 +1,7 @@
 package avlkey
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/avlkey/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/avlkeydup/avlkeydup.go

@@ -3,8 +3,8 @@ package avlkeydup
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {

tree/avlkeydup/avlkeydup_test.go

@@ -7,8 +7,7 @@ import (
 	"log"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/davecgh/go-spew/spew"
 )
 

tree/avlkeydup/iterator.go

@@ -1,7 +1,7 @@
 package avlkeydup
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/avlkeydup/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/heap/heap.go

@@ -1,7 +1,7 @@
 package heap
 
 import (
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 type Tree struct {

tree/heap/heap_test.go

@@ -4,8 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-
 	"github.com/Pallinder/go-randomdata"
 )
 

tree/lsv/diterator.go

@@ -1,252 +0,0 @@
-package lsv
-
-import (
-	lastack "focus/stack/listarraystack"
-)
-
-type Iterator struct {
-	dir    int
-	up     *DNode
-	cur    *DNode
-	tstack *lastack.Stack
-	// curnext *Node
-}
-
-func initIterator(avltree *DTree) *Iterator {
-	iter := &Iterator{tstack: lastack.New()}
-	iter.up = avltree.root
-	return iter
-}
-
-func NewIterator(n *DNode) *Iterator {
-	iter := &Iterator{tstack: lastack.New()}
-	iter.up = n
-	return iter
-}
-
-func NewIteratorWithCap(n *DNode, cap int) *Iterator {
-	iter := &Iterator{tstack: lastack.NewWithCap(cap)}
-	iter.up = n
-	return iter
-}
-
-func (iter *Iterator) GetNode() *DNode {
-	return iter.cur
-}
-
-func (iter *Iterator) ToHead() {
-	if iter.cur == nil {
-		iter.cur = iter.up
-	}
-
-	for iter.cur.family[0] != nil {
-		iter.cur = iter.cur.family[0]
-	}
-
-	for iter.cur.family[1] != nil {
-		iter.cur = iter.cur.family[1]
-	}
-	iter.SetNode(iter.cur)
-	iter.cur = nil
-}
-
-func (iter *Iterator) ToTail() {
-
-	if iter.cur == nil {
-		iter.cur = iter.up
-	}
-
-	for iter.cur.family[0] != nil {
-		iter.cur = iter.cur.family[0]
-	}
-
-	for iter.cur.family[2] != nil {
-		iter.cur = iter.cur.family[2]
-	}
-	iter.SetNode(iter.cur)
-	iter.cur = nil
-}
-
-func (iter *Iterator) SetNode(n *DNode) {
-	iter.up = n
-	iter.dir = 0
-	iter.tstack.Clear()
-}
-
-func (iter *Iterator) Key() interface{} {
-	return iter.cur.key
-}
-
-func (iter *Iterator) Value() interface{} {
-	return iter.cur.value
-}
-
-func (iter *Iterator) GetNext(cur *DNode, idx int) *DNode {
-
-	// iter := NewIterator(cur)
-	iter.SetNode(cur)
-	iter.curPushNextStack(iter.up)
-	iter.up = iter.getNextUp(iter.up)
-
-	for i := 0; i < idx; i++ {
-
-		if iter.tstack.Size() == 0 {
-			if iter.up == nil {
-				return nil
-			}
-			iter.tstack.Push(iter.up)
-			iter.up = iter.getNextUp(iter.up)
-		}
-
-		if v, ok := iter.tstack.Pop(); ok {
-			iter.cur = v.(*DNode)
-			if i == idx-1 {
-				return iter.cur
-			}
-			iter.curPushNextStack(iter.cur)
-		} else {
-			return nil
-		}
-	}
-
-	return cur
-}
-
-func (iter *Iterator) Next() (result bool) {
-
-	if iter.dir > -1 {
-		if iter.dir == 1 && iter.cur != nil {
-			iter.tstack.Clear()
-			iter.curPushNextStack(iter.cur)
-			iter.up = iter.getNextUp(iter.cur)
-		}
-		iter.dir = -1
-	}
-
-	if iter.tstack.Size() == 0 {
-		if iter.up == nil {
-			return false
-		}
-		iter.tstack.Push(iter.up)
-		iter.up = iter.getNextUp(iter.up)
-	}
-
-	if v, ok := iter.tstack.Pop(); ok {
-		iter.cur = v.(*DNode)
-		iter.curPushNextStack(iter.cur)
-		return true
-	}
-
-	return false
-}
-func (iter *Iterator) GetPrev(cur *DNode, idx int) *DNode {
-
-	// iter := NewIterator(cur)
-	iter.SetNode(cur)
-	iter.curPushPrevStack(iter.up)
-	iter.up = iter.getPrevUp(iter.up)
-
-	for i := 0; i < idx; i++ {
-
-		if iter.tstack.Size() == 0 {
-			if iter.up == nil {
-				return nil
-			}
-			iter.tstack.Push(iter.up)
-			iter.up = iter.getPrevUp(iter.up)
-		}
-
-		if v, ok := iter.tstack.Pop(); ok {
-			iter.cur = v.(*DNode)
-			if i == idx-1 {
-				return iter.cur
-			}
-			iter.curPushPrevStack(iter.cur)
-		} else {
-			return nil
-		}
-	}
-
-	return cur
-}
-
-func (iter *Iterator) Prev() (result bool) {
-
-	if iter.dir < 1 { // 非 1(next 方向定义 -1 为 prev)
-		if iter.dir == -1 && iter.cur != nil { // 如果上次为prev方向, 则清空辅助计算的栈
-			iter.tstack.Clear()
-			iter.curPushPrevStack(iter.cur)    // 把当前cur计算的回朔
-			iter.up = iter.getPrevUp(iter.cur) // cur 寻找下个要计算up
-		}
-		iter.dir = 1
-	}
-
-	// 如果栈空了, 把up的递归计算入栈, 重新计算 下次的up值
-	if iter.tstack.Size() == 0 {
-		if iter.up == nil {
-			return false
-		}
-		iter.tstack.Push(iter.up)
-		iter.up = iter.getPrevUp(iter.up)
-	}
-
-	if v, ok := iter.tstack.Pop(); ok {
-		iter.cur = v.(*DNode)
-		iter.curPushPrevStack(iter.cur)
-		return true
-	}
-
-	// 如果再次计算的栈为空, 则只能返回false
-	return false
-}
-
-func getRelationship(cur *DNode) int {
-	if cur.family[0].family[2] == cur {
-		return 2
-	}
-	return 1
-}
-
-func (iter *Iterator) getPrevUp(cur *DNode) *DNode {
-	for cur.family[0] != nil {
-		if getRelationship(cur) == 1 { // next 在 降序 小值. 如果child在右边, parent 比 child 小, parent才有效, 符合降序
-			return cur.family[0]
-		}
-		cur = cur.family[0]
-	}
-	return nil
-}
-
-func (iter *Iterator) curPushPrevStack(cur *DNode) {
-	Prev := cur.family[1] // 当前的左然后向右找, 找到最大, 就是最接近cur 并且小于cur的值
-
-	if Prev != nil {
-		iter.tstack.Push(Prev)
-		for Prev.family[2] != nil {
-			Prev = Prev.family[2]
-			iter.tstack.Push(Prev) // 入栈 用于回溯
-		}
-	}
-}
-
-func (iter *Iterator) getNextUp(cur *DNode) *DNode {
-	for cur.family[0] != nil {
-		if getRelationship(cur) == 0 { // Prev 在 降序 大值. 如果child在左边, parent 比 child 大, parent才有效 , 符合降序
-			return cur.family[0]
-		}
-		cur = cur.family[0]
-	}
-	return nil
-}
-
-func (iter *Iterator) curPushNextStack(cur *DNode) {
-	next := cur.family[2]
-
-	if next != nil {
-		iter.tstack.Push(next)
-		for next.family[1] != nil {
-			next = next.family[1]
-			iter.tstack.Push(next)
-		}
-	}
-}

tree/lsv/iterator_test.go

@@ -1,28 +0,0 @@
-package lsv
-
-// func TestIerator(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	l := []int{5, 10, 100, 30, 40, 70, 45, 35, 23}
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	sort.Ints(l)
-
-// 	iter := tree.Iterator()
-// 	iter.ToHead()
-// 	for i := 0; iter.Next(); i++ {
-
-// 		if iter.Value() != l[i] {
-// 			t.Error(iter.Value(), l[i])
-// 		}
-// 	}
-// 	iter.ToTail()
-// 	iter.Prev()
-// 	for i := len(l) - 1; iter.Next(); i-- {
-
-// 		if iter.Value() != l[i] {
-// 			t.Error(iter.Value(), l[i])
-// 		}
-// 	}
-// }

tree/lsv/itree.go

@@ -1,514 +0,0 @@
-package lsv
-
-import (
-	"github.com/davecgh/go-spew/spew"
-)
-
-// INode 用于索引的节点
-type INode struct {
-	family [3]*INode
-	size   int
-	tree   *DTree
-}
-
-// NewINode 生成inode节点
-func NewINode() *INode {
-	inode := &INode{}
-	inode.size = 1
-	inode.tree = newDataTree(compareRunes)
-	return inode
-}
-
-// ITree 用于索引的树
-type ITree struct {
-	root    *INode
-	limit   int
-	Compare func(s1, s2 []rune) int
-}
-
-// New 生成一颗索引树
-func New(Compare func(s1, s2 []rune) int) *ITree {
-	return &ITree{Compare: Compare, limit: 10}
-}
-
-// Put return bool
-func (tree *ITree) Put(key, value []rune) (isInsert bool) {
-
-	// node := &INode{key: key, value: value, size: 1}
-	if tree.root == nil {
-
-		tree.root = NewINode()
-		return tree.root.tree.Put(key, value)
-
-	}
-
-	for cur := tree.root; ; {
-
-		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
-			ls, rs := cur.family[1].size, cur.family[2].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
-				tree.ifixSize(cur, ls, rs)
-			}
-		}
-
-		c := tree.Compare(key, cur.tree.feature.key)
-		switch {
-		case c < 0:
-			if cur.family[1] == nil {
-
-				if cur.tree.root.size >= tree.limit {
-					// 子树的节点分解　操作
-					lspilt := cur.tree.root.family[1]
-					rspilt := cur.tree.root.family[2]
-					rspilt.family[0] = nil //清空右节点的父类, rsplit为根
-					lspilt.family[0] = nil // 上
-
-					if cur.family[1].size < cur.family[2].size {
-						ilnode := NewINode()
-						ilnode.tree.root = lspilt
-					}
-
-					// 根树 新节点要插入到　右节点的最小值位置　即是 左~
-					irnode := NewINode()
-					irnode.tree.root = rspilt
-					irnode.tree.feature = cur.tree.feature // 右树最大值
-
-					icur := cur.family[2]
-
-					if icur == nil {
-
-						cur.family[2] = irnode
-						irnode.family[0] = cur
-
-						icur = cur
-					} else {
-
-						for ; icur.family[1] != nil; icur = icur.family[1] {
-						} // 找右最左的值为最小值节点处
-
-						icur.family[1] = irnode // 挂接分离的右节点
-						irnode.family[0] = icur
-					}
-
-					for temp := icur; temp != nil; temp = temp.family[0] {
-						temp.size++
-					} // 往上加+1 达到每个节点能统计size正确
-
-					// 调整3节点失衡的情况
-					if icur.family[0] != nil && icur.family[0].size == 3 {
-						if icur.family[0].family[1] == nil {
-							tree.ilrrotate3(icur.family[0])
-						} else {
-							tree.irrotate3(icur.family[0])
-						}
-					}
-
-					tempRoot := cur.tree.root
-					cur.tree.root = lspilt
-
-					tempRoot.size = 1
-					for i := 1; i < len(tempRoot.family); i++ {
-						tempRoot.family[i] = nil
-					}
-
-					cur.tree.putfeature(tempRoot)
-				}
-
-				return cur.tree.Put(key, value)
-			}
-			cur = cur.family[1]
-		case c > 0:
-			if cur.family[2] == nil {
-
-				if cur.tree.root.size >= tree.limit {
-					lspilt := cur.tree.root.family[1]
-					rspilt := cur.tree.root.family[2]
-					rspilt.family[0] = nil //清空右节点的父类, rsplit为根
-					lspilt.family[0] = nil // 上
-
-					// cur.family
-					irnode := NewINode()
-					irnode.tree.root = rspilt
-
-					cur.family[2] = irnode
-					irnode.family[0] = cur
-					icur := cur
-
-					for temp := icur; temp != nil; temp = temp.family[0] {
-						temp.size++
-					} // 往上加+1 达到每个节点能统计size正确
-
-					// 调整3节点失衡的情况
-					if icur.family[0] != nil && icur.family[0].size == 3 {
-						if icur.family[0].family[2] == nil {
-							tree.irlrotate3(icur.family[0])
-						} else {
-							tree.ilrotate3(icur.family[0])
-						}
-					}
-
-					// cur.family irnode
-
-					tempRoot := cur.tree.root
-
-					cur.tree.root = lspilt
-
-					tempRoot.size = 1
-					for i := 1; i < len(tempRoot.family); i++ {
-						tempRoot.family[i] = nil
-					}
-
-					cur.tree.putfeature(tempRoot)
-				}
-
-				return cur.tree.Put(key, value)
-			}
-			cur = cur.family[2]
-		default:
-			return cur.tree.Put(key, value)
-		}
-
-	}
-}
-
-func (tree *ITree) String() {
-
-}
-
-func (tree *ITree) ifixSize(cur *INode, ls, rs int) {
-	if ls > rs {
-		llsize, lrsize := igetChildrenSize(cur.family[1])
-		if lrsize > llsize {
-			tree.irlrotate(cur)
-		} else {
-			tree.irrotate(cur)
-		}
-	} else {
-		rlsize, rrsize := igetChildrenSize(cur.family[2])
-		if rlsize > rrsize {
-			tree.ilrrotate(cur)
-		} else {
-			tree.ilrotate(cur)
-		}
-	}
-}
-
-func (tree *ITree) ilrrotate3(cur *INode) {
-	const l = 2
-	const r = 1
-
-	movparent := cur.family[l]
-	mov := movparent.family[r]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	cur.family[l] = movparent
-	movparent.family[r] = nil
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	cur.family[l].size = 1
-}
-
-func (tree *ITree) ilrrotate(cur *INode) {
-
-	const l = 2
-	const r = 1
-
-	movparent := cur.family[l]
-	mov := movparent.family[r]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	if mov.family[l] != nil {
-		movparent.family[r] = mov.family[l]
-		movparent.family[r].family[0] = movparent
-		//movparent.family[r].child = l
-	} else {
-		movparent.family[r] = nil
-	}
-
-	if mov.family[r] != nil {
-		mov.family[l] = mov.family[r]
-		//mov.family[l].child = l
-	} else {
-		mov.family[l] = nil
-	}
-
-	if cur.family[r] != nil {
-		mov.family[r] = cur.family[r]
-		mov.family[r].family[0] = mov
-	} else {
-		mov.family[r] = nil
-	}
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	movparent.size = igetChildrenSumSize(movparent) + 1
-	mov.size = igetChildrenSumSize(mov) + 1
-	cur.size = igetChildrenSumSize(cur) + 1
-}
-
-func (tree *ITree) irlrotate3(cur *INode) {
-	const l = 1
-	const r = 2
-
-	movparent := cur.family[l]
-	mov := movparent.family[r]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	cur.family[l] = movparent
-	movparent.family[r] = nil
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	// cur.size = 3
-	// cur.family[r].size = 1
-	cur.family[l].size = 1
-}
-
-func (tree *ITree) irlrotate(cur *INode) {
-
-	const l = 1
-	const r = 2
-
-	movparent := cur.family[l]
-	mov := movparent.family[r]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	if mov.family[l] != nil {
-		movparent.family[r] = mov.family[l]
-		movparent.family[r].family[0] = movparent
-	} else {
-		movparent.family[r] = nil
-	}
-
-	if mov.family[r] != nil {
-		mov.family[l] = mov.family[r]
-	} else {
-		mov.family[l] = nil
-	}
-
-	if cur.family[r] != nil {
-		mov.family[r] = cur.family[r]
-		mov.family[r].family[0] = mov
-	} else {
-		mov.family[r] = nil
-	}
-
-	cur.family[r] = mov
-	mov.family[0] = cur
-
-	movparent.size = igetChildrenSumSize(movparent) + 1
-	mov.size = igetChildrenSumSize(mov) + 1
-	cur.size = igetChildrenSumSize(cur) + 1
-}
-
-func (tree *ITree) irrotate3(cur *INode) {
-	const l = 1
-	const r = 2
-	// 1 right 0 left
-	mov := cur.family[l]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	cur.family[r] = mov
-
-	cur.family[l] = mov.family[l]
-	cur.family[l].family[0] = cur
-
-	mov.family[l] = nil
-
-	mov.size = 1
-}
-
-func (tree *ITree) irrotate(cur *INode) {
-
-	const l = 1
-	const r = 2
-	// 1 right 0 left
-	mov := cur.family[l]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	//  mov.family[l]不可能为nil
-	mov.family[l].family[0] = cur
-
-	cur.family[l] = mov.family[l]
-
-	// 解决mov节点孩子转移的问题
-	if mov.family[r] != nil {
-		mov.family[l] = mov.family[r]
-	} else {
-		mov.family[l] = nil
-	}
-
-	if cur.family[r] != nil {
-		mov.family[r] = cur.family[r]
-		mov.family[r].family[0] = mov
-	} else {
-		mov.family[r] = nil
-	}
-
-	// 连接转移后的节点 由于mov只是与cur交换值,parent不变
-	cur.family[r] = mov
-
-	mov.size = igetChildrenSumSize(mov) + 1
-	cur.size = igetChildrenSumSize(cur) + 1
-}
-
-func (tree *ITree) ilrotate3(cur *INode) {
-	const l = 2
-	const r = 1
-	// 1 right 0 left
-	mov := cur.family[l]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	cur.family[r] = mov
-
-	cur.family[l] = mov.family[l]
-	cur.family[l].family[0] = cur
-
-	mov.family[l] = nil
-
-	mov.size = 1
-}
-
-func (tree *ITree) ilrotate(cur *INode) {
-
-	const l = 2
-	const r = 1
-	// 1 right 0 left
-	mov := cur.family[l]
-
-	mov.tree, cur.tree = cur.tree, mov.tree //交换值达到, 相对位移
-
-	//  mov.family[l]不可能为nil
-	mov.family[l].family[0] = cur
-
-	cur.family[l] = mov.family[l]
-
-	// 解决mov节点孩子转移的问题
-	if mov.family[r] != nil {
-		mov.family[l] = mov.family[r]
-	} else {
-		mov.family[l] = nil
-	}
-
-	if cur.family[r] != nil {
-		mov.family[r] = cur.family[r]
-		mov.family[r].family[0] = mov
-	} else {
-		mov.family[r] = nil
-	}
-
-	// 连接转移后的节点 由于mov只是与cur交换值,parent不变
-	cur.family[r] = mov
-
-	mov.size = igetChildrenSumSize(mov) + 1
-	cur.size = igetChildrenSumSize(cur) + 1
-}
-
-func igetChildrenSumSize(cur *INode) int {
-	return igetSize(cur.family[1]) + igetSize(cur.family[2])
-}
-
-func igetChildrenSize(cur *INode) (int, int) {
-	return igetSize(cur.family[1]), igetSize(cur.family[2])
-}
-
-func igetSize(cur *INode) int {
-	if cur == nil {
-		return 0
-	}
-	return cur.size
-}
-
-func (tree *ITree) ifixSizeWithRemove(cur *INode) {
-	for cur != nil {
-		cur.size--
-		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
-			ls, rs := igetChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
-				tree.ifixSize(cur, ls, rs)
-			}
-		} else if cur.size == 3 {
-			if cur.family[1] == nil {
-				if cur.family[2].family[1] == nil {
-					tree.ilrotate3(cur)
-				} else {
-					tree.ilrrotate3(cur)
-				}
-			} else if cur.family[2] == nil {
-				if cur.family[1].family[2] == nil {
-					tree.irrotate3(cur)
-				} else {
-					tree.irlrotate3(cur)
-				}
-			}
-		}
-		cur = cur.family[0]
-	}
-}
-
-func ioutputfordebug(node *INode, prefix string, isTail bool, str *string) {
-
-	if node.family[2] != nil {
-		newPrefix := prefix
-		if isTail {
-			newPrefix += "│   "
-		} else {
-			newPrefix += "    "
-		}
-		ioutputfordebug(node.family[2], newPrefix, false, str)
-	}
-	*str += prefix
-	if isTail {
-		*str += "└── "
-	} else {
-		*str += "┌── "
-	}
-
-	suffix := "("
-	parentv := ""
-	if node.family[0] == nil {
-		parentv = "nil"
-	} else {
-		parentv = spew.Sprint(string(node.family[0].tree.root.key[0:3]))
-	}
-	suffix += parentv + "|" + spew.Sprint(node.size) + ")"
-	*str += spew.Sprint(string(node.tree.root.key[0:3])) + suffix + "\n"
-
-	if node.family[1] != nil {
-		newPrefix := prefix
-		if isTail {
-			newPrefix += "    "
-		} else {
-			newPrefix += "│   "
-		}
-		ioutputfordebug(node.family[1], newPrefix, true, str)
-	}
-}
-
-func (tree *ITree) debugString() string {
-	str := "VBTree-Dup\n"
-	if tree.root == nil {
-		return str + "nil"
-	}
-	ioutputfordebug(tree.root, "", true, &str)
-	return str
-}

tree/lsv/lsv_test.go

@@ -1,880 +0,0 @@
-package lsv
-
-import (
-	"sort"
-	"strconv"
-	"testing"
-
-	"github.com/Pallinder/go-randomdata"
-)
-
-func loadTestData() [][]rune {
-	// data, err := ioutil.ReadFile("../l.log")
-	// if err != nil {
-	// 	log.Println(err)
-	// }
-	// var l []int
-	// decoder := gob.NewDecoder(bytes.NewReader(data))
-	// decoder.Decode(&l)
-	// return l
-
-	var result [][]rune
-	for i := 0; i < 200000; i++ {
-		c := randomdata.FullDate() + randomdata.RandStringRunes(6)
-		result = append(result, []rune(c))
-	}
-	return result
-}
-
-// func TestIteratorHeadTail(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	l := []int{1, 7, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15, 100}
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	iter := tree.Iterator()
-// 	iter.ToHead() // 从小到大
-// 	iter.Next()
-// 	if iter.Value() != 1 {
-// 		t.Error("value error", iter.Value())
-// 	}
-
-// 	iter.ToTail()
-// 	iter.Prev()
-// 	if iter.Value() != 100 {
-// 		t.Error("value error", iter.Value())
-// 	}
-
-// 	for n := 0; n < 500; n++ {
-// 		tree := New(compare.Int)
-// 		var results []int
-// 		for i := 0; i < 50; i++ {
-// 			v := randomdata.Number(0, 5000)
-// 			if ok := tree.Put(v, v); ok {
-// 				results = append(results, v)
-// 			}
-// 		}
-// 		result := tree.GetAround(5001)
-
-// 		iter = tree.Iterator()
-// 		iter.ToTail()
-// 		iter.Prev()
-// 		if iter.Value() != result[0] {
-// 			t.Error("ToTail error", result, iter.Value())
-// 		}
-
-// 		result = tree.GetAround(-1)
-
-// 		iter.ToHead()
-// 		iter.Next()
-// 		if iter.Value() != result[2] {
-// 			t.Error("ToTail error", result, iter.Value())
-// 		}
-
-// 	}
-
-// }
-
-// func TestLargePushRemove(t *testing.T) {
-// 	for n := 0; n < 10; n++ {
-// 		tree := New(compare.Int)
-// 		var results []int
-// 		for i := 0; i < 50000; i++ {
-// 			v := randomdata.Number(0, 100000000)
-// 			if ok := tree.Put(v, v); ok {
-// 				results = append(results, v)
-// 			}
-
-// 		}
-
-// 		if tree.Size() != len(results) {
-// 			t.Error("Szie error", tree.Size(), len(results))
-// 		}
-
-// 		for i := 0; i < len(results)-10; i++ {
-// 			tree.Remove(results[i])
-// 		}
-
-// 		results = results[len(results)-10:]
-// 		if tree.Size() != 10 {
-// 			t.Error("Szie error")
-// 		}
-// 		sort.Slice(results, func(i, j int) bool {
-// 			if results[i] < results[j] {
-// 				return true
-// 			}
-// 			return false
-// 		})
-// 		if spew.Sprint(results) != spew.Sprint(tree.Values()) {
-// 			t.Error("tree is error")
-// 		}
-
-// 		for i := 0; i < 10; i++ {
-// 			v1 := results[i]
-// 			v2, ok := tree.Index(i)
-// 			if !ok {
-// 				t.Error("not ok")
-// 			}
-// 			if v1 != v2 {
-// 				t.Error("v1(", v1, ") != v2(", v2, ")??")
-// 			}
-// 		}
-
-// 		tree.Clear()
-// 		if tree.String() != "VBTree-Dup\nnil" {
-// 			t.Error("tree String is error")
-// 		}
-// 	}
-// }
-
-// func TestRemoveIndex(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	l := []int{7, 14, 14, 14, 16, 1, 40, 15}
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	// [1 7 14 14 14 15 16 40]
-// 	var result string
-// 	result = spew.Sprint(tree.Values())
-// 	if result != "[1 7 14 15 16 40]" {
-// 		t.Error("result = ", result, " should be [1 7 14 15 16 40]")
-// 	}
-
-// 	tree.RemoveIndex(3)
-// 	result = spew.Sprint(tree.Values())
-// 	if result != "[1 7 14 16 40]" {
-// 		t.Error("result is error")
-// 	}
-
-// 	tree.RemoveIndex(-1)
-// 	result = spew.Sprint(tree.Values())
-// 	if result != "[1 7 14 16]" {
-// 		t.Error("result is error")
-// 	}
-
-// 	tree.RemoveIndex(0)
-// 	result = spew.Sprint(tree.Values())
-// 	if result != "[7 14 16]" {
-// 		t.Error("result is error")
-// 	}
-
-// 	if tree.Size() != 3 {
-// 		t.Error("size is error")
-// 	}
-
-// 	for tree.Size() != 0 {
-// 		tree.RemoveIndex(0)
-// 	}
-
-// 	if tree.root != nil {
-// 		t.Error("tree roor is not error")
-// 	}
-// }
-
-// func TestIndexRange(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	l := []int{7, 14, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15}
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-// 	// [3 7 14 15 16 17 20 21 30 40 50]
-// 	// t.Error(tree.Values(), tree.Size())
-// 	// t.Error(tree.debugString())
-
-// 	var result string
-// 	result = spew.Sprint(tree.IndexRange(0, 5))
-// 	if result != "[3 7 14 15 16 17] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(2, 5))
-// 	if result != "[14 15 16 17] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(5, 100))
-// 	if result != "[17 20 21 30 40 50] false" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(10, 0)) // size = 11, index max = 10
-// 	if result != "[50 40 30 21 20 17 16 15 14 7 3] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(11, 0)) // size = 11, index max = 10
-// 	if result != "[50 40 30 21 20 17 16 15 14 7 3] false" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(4, 1)) // size = 11, index max = 10
-// 	if result != "[16 15 14 7] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(-1, -5)) // size = 11, index max = 10
-// 	if result != "[50 40 30 21 20] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(-1, -11)) // size = 11, index max = 0 - 10 (-1,-11)
-// 	if result != "[50 40 30 21 20 17 16 15 14 7 3] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(-1, -12)) // size = 11, index max = 0 - 10 (-1,-11)
-// 	if result != "[50 40 30 21 20 17 16 15 14 7 3] false" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(-5, -1)) // size = 11, index max = 0 - 10 (-1,-11)
-// 	if result != "[20 21 30 40 50] true" {
-// 		t.Error(result)
-// 	}
-
-// 	// [3 7 14 15 16 17 20 21 30 40 50]
-// 	result = spew.Sprint(tree.IndexRange(-5, 5)) //
-// 	if result != "[20 17] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(5, -5)) //
-// 	if result != "[17 20] true" {
-// 		t.Error(result)
-// 	}
-
-// 	result = spew.Sprint(tree.IndexRange(-1, 6)) //
-// 	if result != "[50 40 30 21 20] true" {
-// 		t.Error(result)
-// 	}
-
-// }
-
-// func TestGetAround(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	for _, v := range []int{7, 14, 14, 14, 16, 17, 20, 30, 21, 40, 50, 3, 40, 40, 40, 15} {
-// 		tree.Put(v, v)
-// 	}
-
-// 	var Result string
-
-// 	Result = spew.Sprint(tree.GetAround(17))
-// 	if Result != "[16 17 20]" {
-// 		t.Error(tree.Values())
-// 		t.Error("17 is root, tree.GetAround(17)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(3))
-// 	if Result != "[<nil> 3 7]" {
-// 		t.Error(tree.Values())
-// 		t.Error("tree.GetAround(3)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(40))
-// 	if Result != "[30 40 50]" {
-// 		t.Error(tree.Values())
-// 		t.Error("tree.GetAround(40)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(50))
-// 	if Result != "[40 50 <nil>]" {
-// 		t.Error(tree.Values())
-// 		t.Error("tree.GetAround(50)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(18))
-// 	if Result != "[17 <nil> 20]" {
-// 		t.Error(tree.Values())
-// 		t.Error("18 is not in list, tree.GetAround(18)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(5))
-// 	if Result != "[3 <nil> 7]" {
-// 		t.Error(tree.Values())
-// 		t.Error("5 is not in list, tree.GetAround(5)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(2))
-// 	if Result != "[<nil> <nil> 3]" {
-// 		t.Error(tree.Values())
-// 		t.Error("2 is not in list, tree.GetAround(2)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// 	Result = spew.Sprint(tree.GetAround(100))
-// 	if Result != "[50 <nil> <nil>]" {
-// 		t.Error(tree.Values())
-// 		t.Error("50 is not in list, tree.GetAround(50)) is error", Result)
-// 		t.Error(tree.debugString())
-// 	}
-
-// }
-
-// // // for test error case
-
-// // func TestPutComparatorRandom(t *testing.T) {
-
-// // 	for n := 0; n < 300000; n++ {
-// // 		tree := New(compare.Int)
-// // 		godsavl := avltree.NewWithIntComparator()
-
-// // 		content := ""
-// // 		m := make(map[int]int)
-// // 		for i := 0; len(m) < 10; i++ {
-// // 			v := randomdata.Number(0, 65535)
-// // 			if _, ok := m[v]; !ok {
-// // 				m[v] = v
-// // 				content += spew.Sprint(v) + ","
-// // 				tree.Put(v, v)
-// // 				godsavl.Put(v, v)
-// // 			}
-// // 		}
-
-// // 		s1 := spew.Sprint(tree.Values())
-// // 		s2 := spew.Sprint(godsavl.Values())
-
-// // 		if s1 != s2 {
-// // 			t.Error(godsavl.String())
-// // 			t.Error(tree.debugString())
-// // 			t.Error(content, n)
-// // 			break
-// // 		}
-// // 	}
-// // }
-
-func TestPut(t *testing.T) {
-	tree := New(compareRunes)
-	temp := ""
-	for i := 0; i < 10000; i++ {
-		v := strconv.Itoa(i) + ":" + randomdata.FullDate() + randomdata.Street()
-		// v := strconv.Itoa(i)
-		tree.Put([]rune(v), []rune(v))
-
-		if temp != tree.debugString() {
-			t.Error(tree.debugString())
-			temp = tree.debugString()
-		}
-
-	}
-	t.Error("123")
-}
-
-func TestValues(t *testing.T) {
-	tree := newDataTree(compareRunes)
-	var testdata = []string{"abc", "bca", "12xx", "ABC", "你好"}
-
-	for _, v := range testdata {
-		tree.PutString(v, v)
-	}
-
-	sort.Strings(testdata)
-	for i, v := range tree.Values() {
-		if testdata[i] != string(v) {
-			t.Error(string(v))
-		}
-	}
-
-}
-
-func TestGet(t *testing.T) {
-	tree := newDataTree(compareRunes)
-	var testdata = []string{"asdb", "bsas", "asdba"}
-	for _, v := range testdata {
-		tree.PutString(v, v)
-	}
-
-	for _, v := range testdata {
-		r, ok := tree.GetString(v)
-		if !ok && r != v {
-			t.Error("the val not found ", v)
-		}
-	}
-
-	if v, ok := tree.Get([]rune("bsasa")); ok {
-		t.Error("the val(1000) is not in tree, but is found", v)
-	}
-}
-
-// func TestDupGetRange(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	for _, v := range []int{5, 10, 13, 5, 17, 1, 2, 10, 40, 30, 1} {
-// 		tree.Put(v, v)
-// 	}
-
-// 	result := tree.GetRange(0, 20)
-// 	if spew.Sprint(result) != "[1 2 5 10 13 17]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(0, 8)
-// 	if spew.Sprint(result) != "[1 2 5]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(-5, -1)
-// 	if spew.Sprint(result) != "[]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(7, 20)
-// 	if spew.Sprint(result) != "[10 13 17]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 40)
-// 	if spew.Sprint(result) != "[30 40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 60)
-// 	if spew.Sprint(result) != "[30 40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(40, 40)
-// 	if spew.Sprint(result) != "[40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(50, 60)
-// 	if spew.Sprint(result) != "[]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(50, 1)
-// 	if spew.Sprint(result) != "[40 30 17 13 10 5 2 1]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 20)
-// 	if spew.Sprint(result) != "[30]" {
-// 		t.Error(result)
-// 	}
-
-// }
-
-// func TestGetRange(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	for _, v := range []int{5, 6, 8, 10, 13, 17, 1, 2, 40, 30} {
-// 		tree.Put(v, v)
-// 	}
-
-// 	// t.Error(tree.debugString())
-// 	// t.Error(tree.getArountNode(20))
-// 	// t.Error(tree.Values())
-
-// 	result := tree.GetRange(0, 20)
-// 	if spew.Sprint(result) != "[1 2 5 6 8 10 13 17]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(-5, -1)
-// 	if spew.Sprint(result) != "[]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(7, 20)
-// 	if spew.Sprint(result) != "[8 10 13 17]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 40)
-// 	if spew.Sprint(result) != "[30 40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 60)
-// 	if spew.Sprint(result) != "[30 40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(40, 40)
-// 	if spew.Sprint(result) != "[40]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(50, 60)
-// 	if spew.Sprint(result) != "[]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(50, 1)
-// 	if spew.Sprint(result) != "[40 30 17 13 10 8 6 5 2 1]" {
-// 		t.Error(result)
-// 	}
-
-// 	result = tree.GetRange(30, 20)
-// 	if spew.Sprint(result) != "[30]" {
-// 		t.Error(result)
-// 	}
-
-// }
-
-// func TestTravalsal(t *testing.T) {
-// 	tree := New(compare.Int)
-// 	for _, v := range []int{5, 6, 8, 10, 13, 17, 1, 2, 40, 30} {
-// 		tree.Put(v, v)
-// 	}
-
-// 	i := 0
-// 	var result []interface{}
-// 	tree.Traversal(func(k, v interface{}) bool {
-// 		result = append(result, k)
-// 		i++
-// 		if i >= 10 {
-// 			return false
-// 		}
-// 		return true
-// 	})
-
-// 	if spew.Sprint(result) != "[1 2 5 6 8 10 13 17 30 40]" {
-// 		t.Error(result)
-// 	}
-
-// }
-
-// func TestRemoveAll(t *testing.T) {
-// ALL:
-// 	for c := 0; c < 5000; c++ {
-// 		tree := New(compare.Int)
-// 		gods := avltree.NewWithIntComparator()
-// 		var l []int
-// 		m := make(map[int]int)
-
-// 		for i := 0; len(l) < 50; i++ {
-// 			v := randomdata.Number(0, 100000)
-// 			if _, ok := m[v]; !ok {
-// 				m[v] = v
-// 				l = append(l, v)
-// 				tree.Put(v, v)
-// 				gods.Put(v, v)
-// 			}
-// 		}
-
-// 		for i := 0; i < 50; i++ {
-
-// 			tree.Remove(l[i])
-// 			gods.Remove(l[i])
-
-// 			s1 := spew.Sprint(tree.Values())
-// 			s2 := spew.Sprint(gods.Values())
-// 			if s1 != s2 {
-// 				t.Error("avl remove error", "avlsize = ", tree.Size())
-// 				t.Error(tree.root, i, l[i])
-// 				t.Error(s1)
-// 				t.Error(s2)
-// 				break ALL
-// 			}
-// 		}
-// 	}
-// }
-
-// func TestRemove(t *testing.T) {
-
-// ALL:
-// 	for N := 0; N < 5000; N++ {
-// 		tree := New(compare.Int)
-// 		gods := avltree.NewWithIntComparator()
-
-// 		var l []int
-// 		m := make(map[int]int)
-
-// 		for i := 0; len(l) < 20; i++ {
-// 			v := randomdata.Number(0, 100)
-// 			if _, ok := m[v]; !ok {
-// 				l = append(l, v)
-// 				m[v] = v
-// 				tree.Put(v, v)
-// 				gods.Put(v, v)
-// 			}
-// 		}
-
-// 		src1 := tree.String()
-// 		src2 := gods.String()
-
-// 		for i := 0; i < 20; i++ {
-// 			tree.Remove(l[i])
-// 			gods.Remove(l[i])
-// 			if tree.root != nil && spew.Sprint(gods.Values()) != spew.Sprint(tree.Values()) {
-// 				t.Error(src1)
-// 				t.Error(src2)
-// 				t.Error(tree.debugString())
-// 				t.Error(gods.String())
-// 				t.Error(l[i])
-// 				break ALL
-// 			}
-// 		}
-// 	}
-// }
-
-// func BenchmarkGetRange(b *testing.B) {
-
-// }
-
-// func BenchmarkIndexRange(b *testing.B) {
-// 	tree := New(compare.Int)
-// 	l := loadTestData()
-// 	b.N = len(l)
-
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 5
-// 	b.N = len(l) * execCount
-
-// 	for i := 0; i < execCount; i++ {
-// 		for range l {
-// 			tree.IndexRange(i, i+49)
-// 		}
-// 	}
-// }
-
-// func BenchmarkSkipListGet(b *testing.B) {
-// 	sl := skiplist.New(skiplist.Int)
-// 	l := loadTestData()
-// 	b.N = len(l)
-
-// 	for _, v := range l {
-// 		sl.Set(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 5
-// 	b.N = len(l) * execCount
-
-// 	for i := 0; i < execCount; i++ {
-// 		for _, v := range l {
-// 			sl.Get(v)
-// 			// e := sl.Get(v)
-// 			// var result [50]interface{}
-// 			// for i := 0; i < 50 && e != nil; i++ {
-// 			// 	result[i] = e.Value
-// 			// 	e = e.Next()
-// 			// }
-// 		}
-// 	}
-// }
-
-// func BenchmarkSkipListSet(b *testing.B) {
-
-// 	l := loadTestData()
-// 	execCount := 1
-// 	b.N = len(l) * execCount
-// 	for i := 0; i < execCount; i++ {
-// 		sl := skiplist.New(skiplist.Int)
-// 		for _, v := range l {
-// 			sl.Set(v, v)
-// 		}
-// 	}
-// }
-
-// func BenchmarkIterator(b *testing.B) {
-// 	tree := New(compare.Int)
-
-// 	l := loadTestData()
-// 	b.N = len(l)
-
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-// 	iter := tree.Iterator()
-// 	b.N = 0
-// 	for iter.Next() {
-// 		b.N++
-// 	}
-// 	for iter.Prev() {
-// 		b.N++
-// 	}
-// 	for iter.Next() {
-// 		b.N++
-// 	}
-// 	b.Log(b.N, len(l))
-// }
-
-// func BenchmarkRemove(b *testing.B) {
-// 	tree := New(compare.Int)
-
-// 	l := loadTestData()
-
-// 	b.N = len(l)
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	for i := 0; i < len(l); i++ {
-// 		tree.Remove(l[i])
-// 	}
-// }
-
-// func BenchmarkGodsRemove(b *testing.B) {
-// 	tree := avltree.NewWithIntComparator()
-
-// 	l := loadTestData()
-
-// 	b.N = len(l)
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	for i := 0; i < len(l); i++ {
-// 		tree.Remove(l[i])
-// 	}
-// }
-
-// func BenchmarkGodsRBRemove(b *testing.B) {
-// 	tree := redblacktree.NewWithIntComparator()
-
-// 	l := loadTestData()
-
-// 	b.N = len(l)
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	for i := 0; i < len(l); i++ {
-// 		tree.Remove(l[i])
-// 	}
-// }
-
-// func BenchmarkGet(b *testing.B) {
-
-// 	tree := New(compare.Int)
-
-// 	l := loadTestData()
-// 	b.N = len(l)
-// 	for i := 0; i < b.N; i++ {
-// 		tree.Put(l[i], i)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 10
-// 	b.N = len(l) * execCount
-
-// 	for i := 0; i < execCount; i++ {
-// 		for _, v := range l {
-// 			tree.Get(v)
-// 		}
-// 	}
-// }
-
-// func BenchmarkGodsRBGet(b *testing.B) {
-// 	tree := redblacktree.NewWithIntComparator()
-
-// 	l := loadTestData()
-// 	b.N = len(l)
-// 	for i := 0; i < b.N; i++ {
-// 		tree.Put(l[i], i)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 10
-// 	b.N = len(l) * execCount
-
-// 	for i := 0; i < execCount; i++ {
-// 		for _, v := range l {
-// 			tree.Get(v)
-// 		}
-// 	}
-// }
-
-// func BenchmarkGodsAvlGet(b *testing.B) {
-// 	tree := avltree.NewWithIntComparator()
-
-// 	l := loadTestData()
-// 	b.N = len(l)
-// 	for i := 0; i < b.N; i++ {
-// 		tree.Put(l[i], i)
-// 	}
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 10
-// 	b.N = len(l) * execCount
-
-// 	for i := 0; i < execCount; i++ {
-// 		for _, v := range l {
-// 			tree.Get(v)
-// 		}
-// 	}
-// }
-
-func BenchmarkPut(b *testing.B) {
-	l := loadTestData()
-
-	b.ResetTimer()
-	b.StartTimer()
-
-	execCount := 50
-	b.N = len(l) * execCount
-	for i := 0; i < execCount; i++ {
-		tree := newDataTree(compareRunes)
-		for _, v := range l {
-			tree.Put(v, v)
-		}
-	}
-}
-
-// func TestPutStable(t *testing.T) {
-
-// }
-
-// func BenchmarkGodsRBPut(b *testing.B) {
-// 	l := loadTestData()
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	execCount := 50
-// 	b.N = len(l) * execCount
-// 	for i := 0; i < execCount; i++ {
-// 		tree := redblacktree.NewWithIntComparator()
-// 		for _, v := range l {
-// 			tree.Put(v, v)
-// 		}
-// 	}
-// }
-
-// func BenchmarkGodsPut(b *testing.B) {
-// 	tree := avltree.NewWithIntComparator()
-
-// 	l := loadTestData()
-
-// 	b.ResetTimer()
-// 	b.StartTimer()
-
-// 	b.N = len(l)
-// 	for _, v := range l {
-// 		tree.Put(v, v)
-// 	}
-// }

tree/vbt/iterator.go

@@ -1,7 +1,7 @@
 package vbt
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/vbt/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/vbt/vbt.go

@@ -3,8 +3,8 @@ package vbt
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {
@@ -443,9 +443,9 @@ func (tree *Tree) Put(key interface{}) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -874,9 +874,9 @@ func (tree *Tree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

tree/vbt/vbt_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/Pallinder/go-randomdata"
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func loadTestData() []int {

tree/vbtdup/iterator.go

@@ -1,7 +1,7 @@
 package vbtdup
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/vbtdup/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/vbtdup/vbtdup.go

@@ -3,8 +3,8 @@ package vbtdup
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {
@@ -445,9 +445,9 @@ func (tree *Tree) Put(value interface{}) (isInsert bool) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -895,9 +895,9 @@ func (tree *Tree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

tree/vbtdup/vbtdup_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/Pallinder/go-randomdata"
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func loadTestData() []int {

tree/vbtkey/iterator.go

@@ -1,7 +1,7 @@
 package vbtkey
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/vbtkey/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/vbtkey/vbtkey.go

@@ -3,8 +3,8 @@ package vbtkey
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {
@@ -446,9 +446,9 @@ func (tree *Tree) Put(key, value interface{}) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -884,9 +884,9 @@ func (tree *Tree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

tree/vbtkey/vbtkey_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/Pallinder/go-randomdata"
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func loadTestData() []int {

tree/vbtkeydup/iterator.go

@@ -1,7 +1,7 @@
 package vbtkeydup
 
 import (
-	lastack "focus/stack/listarraystack"
+	lastack "github.com/474420502/focus/stack/listarraystack"
 )
 
 type Iterator struct {

tree/vbtkeydup/iterator_test.go

@@ -4,7 +4,7 @@ import (
 	"sort"
 	"testing"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func TestIerator(t *testing.T) {

tree/vbtkeydup/vbtdupkey.go

@@ -3,8 +3,8 @@ package vbtkeydup
 import (
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
-	"focus/tree"
+	"github.com/474420502/focus/tree"
 )
 
 type Node struct {
@@ -446,9 +446,9 @@ func (tree *Tree) Put(key, value interface{}) (isInsert bool) {
 	for cur := tree.root; ; {
 
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := cur.children[0].size, cur.children[1].size
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		}
@@ -896,9 +896,9 @@ func (tree *Tree) fixSizeWithRemove(cur *Node) {
 	for cur != nil {
 		cur.size--
 		if cur.size > 8 {
-			factor := cur.size >> 3 // or factor = 1
+			factor := cur.size / 10 // or factor = 1
 			ls, rs := getChildrenSize(cur)
-			if rs >= (ls<<1)+factor || ls >= (rs<<1)+factor {
+			if rs >= ls*2+factor || ls >= rs*2+factor {
 				tree.fixSize(cur, ls, rs)
 			}
 		} else if cur.size == 3 {

tree/vbtkeydup/vbtdupkey_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/Pallinder/go-randomdata"
 	"github.com/davecgh/go-spew/spew"
 
-	"focus/compare"
+	"github.com/474420502/focus/compare"
 )
 
 func loadTestData() []int {