func uncompress(arr []int32) ([]int32, error) {
newinpos := cursor.New()
newoutpos := cursor.New()
recov := make([]int32, 10000)
codec := bp32.New()
e := codec.Uncompress(arr, newinpos, len(arr)-1, recov, newoutpos)
l := 0
for i, v := range recov[:newoutpos.Get()] {
if v != 0 {
l = i
}
}
return recov[:l+1], e
}
func compress(in []int32) (arr []int32, e error) {
l := len(in)
if len(in)%128 != 0 {
l = l + (128 - len(in)%128)
}
arr = make([]int32, l)
copy(arr, in)
compdata := make([]int32, 2*l)
inpos := cursor.New()
outpos := cursor.New()
codec := bp32.New()
e = codec.Compress(arr, inpos, l, compdata, outpos)
if e != nil {
return nil, e
}
return compdata[:outpos.Get()+1], e
}