diff options
Diffstat (limited to 'go/compress')
| -rw-r--r-- | go/compress/compression_test.go | 45 | ||||
| -rw-r--r-- | go/compress/delta_binary_pack32.go | 32 |
2 files changed, 0 insertions, 77 deletions
diff --git a/go/compress/compression_test.go b/go/compress/compression_test.go deleted file mode 100644 index 83b7c0055..000000000 --- a/go/compress/compression_test.go +++ /dev/null @@ -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)) - -} diff --git a/go/compress/delta_binary_pack32.go b/go/compress/delta_binary_pack32.go deleted file mode 100644 index 42ae8d42d..000000000 --- a/go/compress/delta_binary_pack32.go +++ /dev/null @@ -1,32 +0,0 @@ -package compress - -import ( - "github.com/reducedb/encoding/cursor" - "github.com/reducedb/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 -} |
