Make thread local field transient in `ThreadLocalRandomGenerator`

scalanlp / breeze

Breeze is/was a numerical processing library for Scala.

https://www.scalanlp.org

Apache License 2.0

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Closed rpiotrow closed 3 years ago

rpiotrow commented 3 years ago

Make thread local field transient in ThreadLocalRandomGenerator to enable serialization
Make it also lazy to not create ThreadLocal until it is used.

Fixes #806