Add erf and atan2

[TalGrbr]

Description

Added erf and atan2 operators for arrays

[lanking520]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

Attention: 1360 lines in your changes are missing coverage. Please review.

Comparison is base (bb5073f) 72.08% compared to head (7bf4063) 72.32%.
Report is 907 commits behind head on master.

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Additional details and impacted files

@@             Coverage Diff              @@
##             master    #2842      +/-   ##
============================================
+ Coverage     72.08%   72.32%   +0.23%     
- Complexity     5126     7158    +2032     
============================================
  Files           473      708     +235     
  Lines         21970    31892    +9922     
  Branches       2351     3313     +962     
============================================
+ Hits          15838    23066    +7228     
- Misses         4925     7248    +2323     
- Partials       1207     1578     +371     

Files	Coverage Δ
...ava/ai/djl/inference/streaming/StreamingBlock.java	100.00% <100.00%> (ø)
api/src/main/java/ai/djl/metric/Dimension.java	100.00% <100.00%> (ø)
api/src/main/java/ai/djl/metric/Unit.java	100.00% <100.00%> (ø)
api/src/main/java/ai/djl/modality/audio/Audio.java	100.00% <100.00%> (ø)
api/src/main/java/ai/djl/modality/cv/Image.java	69.23% <ø> (-4.11%)	⬇️
...rc/main/java/ai/djl/modality/cv/MultiBoxPrior.java	76.00% <ø> (ø)
...ava/ai/djl/modality/cv/output/DetectedObjects.java	96.29% <100.00%> (+1.29%)	⬆️
...rc/main/java/ai/djl/modality/cv/output/Joints.java	71.42% <100.00%> (ø)
.../main/java/ai/djl/modality/cv/output/Landmark.java	100.00% <ø> (ø)
...i/djl/modality/cv/transform/RandomResizedCrop.java	94.11% <100.00%> (+5.22%)	⬆️
... and 225 more

... and 385 files with indirect coverage changes

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[zachgk]

This is great @TalGrbr!