similar changes as master

This commit is contained in:
Chris Lu 2018-05-23 03:23:47 -07:00
parent 536559f62d
commit d84b80b795
4 changed files with 0 additions and 87 deletions

View file

@ -1,45 +0,0 @@
package compress
import (
"math/rand"
"testing"
)
func TestSortedData(t *testing.T) {
data := make([]int32, 102400)
for i := 1; i < len(data); i++ {
data[i] = data[i-1] + rand.Int31n(15)
}
testCompressAndUncompress(t, data, "Sorted data")
}
func TestUnsortedData(t *testing.T) {
data := make([]int32, 102400)
for i := 0; i < len(data); i++ {
data[i] = rand.Int31n(255)
}
testCompressAndUncompress(t, data, "Unsorted data")
}
func testCompressAndUncompress(t *testing.T, data []int32, desc string) {
compressed_data, err := Compress32(data)
if err != nil {
t.Fatal("Compress error", err.Error())
}
uncompressed_data, err := Uncompress32(compressed_data, make([]int32, len(data)*2))
if err != nil {
t.Fatal("Compress error", err.Error())
}
if len(uncompressed_data) != len(data) {
t.Fatal("Len differs", len(data), len(uncompressed_data))
}
for i := 0; i < len(data); i++ {
if data[i] != uncompressed_data[i] {
t.Fatal("Data differs:", i, data[i], uncompressed_data[i])
}
}
println(desc, " Data length:", len(data), " => Compressed length:", len(compressed_data))
}

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@ -1,32 +0,0 @@
package compress
import (
"github.com/dataence/encoding/cursor"
"github.com/dataence/encoding/delta/bp32"
)
// Compress compresses in[]int32 to out[]int32
func Compress32(in []int32) (out []int32, err error) {
out = make([]int32, len(in)*2)
inpos := cursor.New()
outpos := cursor.New()
if err = bp32.New().Compress(in, inpos, len(in), out, outpos); err != nil {
return nil, err
}
return out[:outpos.Get()], nil
}
// Uncompress uncompresses in[]int32 to out[]int32
func Uncompress32(in []int32, buffer []int32) (out []int32, err error) {
out = buffer
inpos := cursor.New()
outpos := cursor.New()
if err = bp32.New().Uncompress(in, inpos, len(in), out, outpos); err != nil {
return nil, err
}
return out[:outpos.Get()], nil
}

6
weed/glide.lock generated
View file

@ -12,12 +12,6 @@ imports:
version: 5f7ddd8f479583daf05879d3d3b174aa202c8fb7
subpackages:
- protobuf
- name: github.com/dataence/encoding
version: b90e310a0325f9b765b4be7220df3642ad93ad8d
subpackages:
- bitpacking
- cursor
- delta/bp32
- name: github.com/dgrijalva/jwt-go
version: 06ea1031745cb8b3dab3f6a236daf2b0aa468b7e
- name: github.com/disintegration/imaging

View file

@ -6,10 +6,6 @@ import:
- package: github.com/boltdb/bolt
version: ^1.3.1
- package: github.com/chrislusf/raft
- package: github.com/dataence/encoding
subpackages:
- cursor
- delta/bp32
- package: github.com/dgrijalva/jwt-go
version: ^3.2.0
- package: github.com/disintegration/imaging