add int

Author: CC11001100

README.md

@@ -1,4 +1,4 @@
-# 
+#  
 
 
 

byte.go

@@ -0,0 +1,2 @@
+package delta
+

go.mod

@@ -1,3 +1,5 @@
 module github.com/compression-algorithm-research-lab/go-delta
 
-go 1.19
+go 1.18
+
+require github.com/golang-infrastructure/go-gtypes v0.0.1 // indirect

go.sum

@@ -0,0 +1,2 @@
+github.com/golang-infrastructure/go-gtypes v0.0.1 h1:hnM1OYSwLPLGkZ4C6ecAxgmAUaPTjnhnUtRNmJj4p6c=
+github.com/golang-infrastructure/go-gtypes v0.0.1/go.mod h1:vFMCxFzxdMInvTtgLZRlWI1rS+mui88sMbL5I+zu1hg=

int.go

@@ -0,0 +1,31 @@
+package delta
+
+import "github.com/golang-infrastructure/go-gtypes"
+
+// ZipIntegerSlice delta压缩整数，只适合正整数一般
+func ZipIntegerSlice[T gtypes.Integer](intSlice []T) []T {
+	result := make([]T, len(intSlice))
+	for index, x := range intSlice {
+		if index == 0 {
+			result[index] = x
+			continue
+		}
+		delta := intSlice[index-1] - intSlice[index]
+		result[index] = delta
+	}
+	return result
+}
+
+// UnzipIntegerSlice 解压缩delta
+func UnzipIntegerSlice[T gtypes.Integer](intSlice []T) []T {
+	result := make([]T, len(intSlice))
+	for index, x := range intSlice {
+		if index == 0 {
+			result[index] = x
+			continue
+		}
+		delta := result[index-1] - intSlice[index]
+		result[index] = delta
+	}
+	return result
+}

int_test.go

@@ -0,0 +1,17 @@
+package delta
+
+import (
+	"testing"
+)
+
+func TestUnzipIntegerSlice(t *testing.T) {
+	slice := make([]int, 0)
+	for i := 0; i < 100; i++ {
+		slice = append(slice, 10000-i*10)
+	}
+	t1 := ZipIntegerSlice(slice)
+	t.Log(t1)
+
+	t2 := UnzipIntegerSlice(t1)
+	t.Log(t2)
+}

string.go

@@ -0,0 +1,4 @@
+package delta
+
+
+

struct.go

@@ -0,0 +1,11 @@
+package delta
+
+// ZipStructSlice 对Struct序列进行压缩
+func ZipStructSlice() {
+}
+
+type StructDelta struct {
+}
+
+type FieldDelta struct {
+}