Bump com.yahoo.datasketches:sketches-core from 0.8.3 to 0.13.4

[dependabot]

Bumps com.yahoo.datasketches:sketches-core from 0.8.3 to 0.13.4.

Release notes

Sourced from com.yahoo.datasketches:sketches-core's releases.

0.13.3 May 8, 2019: Fix Theta Direct Union Bug

This release fixes a nasty bug that occurred when merging estimating sketches into a Direct Union.
Three lines of code were accidentally deleted between 0.13.0 and 0.13.1. This bug existed only in releases 0.13.1 and 0.13.2.

0.13.2 Apr 25, 2019: Frequent Distinct Tuples Sketch

• Released the new Frequent Distinct Tuples Sketch.
• Minor updates to javadocs
• Minor bug fixes.

0.13.1 Apr 2, 2019: Fix Direct DoublesUnion Quantiles Bug

• Bug fix for Quantiles Sketches

  • Environment: Using DoublesUnion in Direct (off-heap) mode.
  • Symptom 1: quantiles are out-of-order: q(0.99) < q(0.98)
  • Symptom 2: garbage values amongst otherwise normal quantile values: q(0.99) = 100, q(0.98) = 1E100, q(0.97) = 90.

• Bug fix for Theta Sketches

  • Environment: using Union in Direct (off-heap) mode
  • Symptom: getEstimate() returns NaN. It requires an unusual set of circumstances to actually observe this.

• Logic change for Theta Sketches

  • Empty sketches do not affect unions and can be ignored

0.13.0 Mar 14, 2019: Added new CPC Sketch

• Added new CPC Sketch. This new sketch has superior accuracy per stored space than the HLL sketch.
• Added a high-performance thread-safe version of Theta UpdateSketch for use in applications that require very high throughput
• Added API calls for easier understanding of error in the Frequent Items sketches
• Added more general ceiling and floor powers of X functions to sketches.Util.*
• Optimized serialization of single item KLL sketches
• Minor changes to HLL API: getIterator() becomes the Java convention iterator().
• Added xxHash() and faster version of MurmurHash3 (v2).

0.11.1 Apr 20, 2018: Quantiles, KLL, Tuple, Fixes & Improvements

• Quantiles sketch
  • fixed issue DataSketches/sketches-core#195
  • added DoublesUnion.heapify() and DoublesUnion.wrap() methods
  • deprecated DoublesUnionBuilder.heapify() and DoublesUnionBuilder.wrap() methods
• KLL sketch
  • methods to obtain rank error for both single-sided and double-sided queries
  • methods to compute parameter k given a target rank error
  • Javadoc improvements
• Tuple sketch
  • added Filter

0.11.0 Mar 15, 2018: KLL quantiles sketch, tuple sketch API change and more

• New KLL sketch: KllFloatsSketch:
  • This is a new quantiles sketch with better accuracy per stored bit than the original quantiles DoublesSketch. If you select a value of K for the KLL sketch so that it matches the same accuracy as the DoublesSketch, the K will be larger, but the space required will be much smaller. This sketch is specifically tuned for the smallest amount of space usage as possible (near theoretical optimum) and uses floats rather than doubles. On update this new KLL sketch is a little faster than the original DoublesSketch, but may be slower on merge. Also, this KLL sketch currently does not have a generic version (as does the DoublesSketch) nor does it provide off-heap capability like the DoublesSketch. Refer to the javadocs for a link to the KLL theoretical paper.
• Tuple:

... (truncated)

Commits

• 57b830c [maven-release-plugin] prepare release sketches-core-0.13.4
• bc8fb20 Added unit tests
• 1302c06 Fixed Druid bug in alternate Memory path.
• 4921d54 Fixed Druid bug in alternate update(mem) path.
• e2aa1bc code cleanup
• eb59adc Removed dependencies on SpotBugs and FindBugs
• 803c0ce [maven-release-plugin] prepare for next development iteration
• 1e7dbbc [maven-release-plugin] prepare release sketches-core-0.13.3
• faea09f Disable printing
• 5f14859 code cleanup
• Additional commits viewable in compare view

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