freakyzoidberg opened a new pull request, #1:
URL: https://github.com/apache/datasketches-go/pull/1
Add a Go implementation of HyperLogLog
This currently expose publicaly the following interface
HyperLogLog
// HLL target size
tgt4 := hll.TgtHllType_HLL_4
tgt6 := hll.TgtHllType_HLL_6
tgt8 := hll.TgtHllType_HLL_8
// HLL Sketch
sketch, err := hll.NewHllSketchDefault(12)
sketch, err = hll.NewHllSketch(12, hll.TgtHllType_HLL_4)
sketch.GetLgConfigK()
sketch.GetTgtHllType()
sketch.GetCurMode()
sketch.IsEmpty()
sketch.IsEstimationMode()
sketch.GetSerializationVersion()
sketch.Reset()
sketch.UpdateInt64(1)
sketch.UpdateUInt64(1)
sketch.UpdateSlice([]byte{1})
sketch.UpdateString("1")
compactSlice, err := sketch.ToCompactSlice()
updatableSlice, err := sketch.ToUpdatableSlice()
sketch.GetUpdatableSerializationBytes()
sketch.GetEstimate()
sketch.GetHipEstimate()
sketch.GetCompositeEstimate()
ub, err := sketch.GetUpperBound(1)
lb, err := sketch.GetLowerBound(1)
sk2 := sketch.Copy()
sk2_8 := sketch.CopyAs(hll.TgtHllType_HLL_8)
And Union
unio, _ := hll.NewUnionWithDefault()
unio, _ = hll.NewUnion(12)
unio.GetLgConfigK()
unio.GetTgtHllType()
unio.GetCurMode()
unio.IsEmpty()
unio.Reset()
unio.UpdateSketch(sketch)
unio.UpdateInt64(1)
unio.UpdateUInt64(1)
unio.UpdateSlice([]byte{1})
unio.UpdateString("1")
compactUnioSlice, err := unio.ToCompactSlice()
updatableUnioSlice, err := unio.ToUpdatableSlice()
unio.GetUpdatableSerializationBytes()
unio.GetEstimate()
unio.GetHipEstimate()
unio.GetCompositeEstimate()
ub, err = unio.GetUpperBound(1)
lb, err = unio.GetLowerBound(1)
sk3, err := unio.GetResult(hll.TgtHllType_HLL_4)
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