reverted random integer seeding to numpy

[PaulTalbot-INL]

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Pull Request Description

What issue does this change request address? (Use "#" before the issue to link it, i.e., #42.)

Closes #252.

What are the significant changes in functionality due to this change request?

Leaves initial seed to numpy if it is not specified by the user.

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For Change Control Board: Change Request Review

The following review must be completed by an authorized member of the Change Control Board.

• 1. Review all computer code.
• 2. If any changes occur to the input syntax, there must be an accompanying change to the user manual and xsd schema. If the input syntax change deprecates existing input files, a conversion script needs to be added (see Conversion Scripts).
• 3. Make sure the Python code and commenting standards are respected (camelBack, etc.) - See on the wiki for details.
• 4. Automated Tests should pass, including run_tests, pylint, manual building and xsd tests. If there are changes to Simulation.py or JobHandler.py the qsub tests must pass.
• 5. If significant functionality is added, there must be tests added to check this. Tests should cover all possible options. Multiple short tests are preferred over one large test. If new development on the internal JobHandler parallel system is performed, a cluster test must be added setting, in XML block, the node <internalParallel> to True.
• 6. If the change modifies or adds a requirement or a requirement based test case, the Change Control Board's Chair or designee also needs to approve the change. The requirements and the requirements test shall be in sync.
• 7. The merge request must reference an issue. If the issue is closed, the issue close checklist shall be done.
• 8. If an analytic test is changed/added is the the analytic documentation updated/added?

[PaulTalbot-INL]

I still need a test for this. I'll have to work on it soon.

[joshua-cogliati-inl]

Numpy is not imported into this file.

[moosebuild]

Job Mingw Test on b5ee90c : canceled by @joshua-cogliati-inl

other tests failed.

[moosebuild]

Job Test qsubs on b5ee90c : canceled by @joshua-cogliati-inl

other tests failed.

[alfoa]

What is the situation with this?

[PaulTalbot-INL]

I haven't had the opportunity to come back and finish this. There's still a handful of implementations that need to be converted over, according to my notes.

[moosebuild]

All jobs on 654bd67 : canceled by @PaulTalbot-INL

just mergefix, not ready for new testing

[PaulTalbot-INL]

At this point this PR should be restarted due to the number of changes in the code since it was started. The issue still stands; we need a unified and consistent usage of random numbers in RAVEN runs, and it should be clear to the user whether they are in a seeded or different-each-time environment.