2023 10 09 Open NEST Developer Video Conference

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Agenda

1. Welcome
2. Review of NEST User Mailing List
3. Project team round
4. In-depth discussion
   • How to pass ConstantParameters

Mailing list

• https://nest-simulator.org/mailinglist

Project team round

Here we discuss topics that need broader attention, for example questions that came up but are outside a single project's scope, larger planned changes/PRs that affect all teams or pending work that is blocked by external factors.

Go to the Project boards.

In-depth discussion

How to pass ConstantParameters

• Tests require parameters to be INT or DOUBLE
  • what do we want const int or const double
  • currently nest infers from parameter usage if it should be int or double
  • Test that is currently failing (all const parameters provided are int): https://github.com/nest/nest-simulator/blob/master/testsuite/pytests/test_parameter_operators.py
  • Issue is here: https://github.com/jougs/nest-simulator/blob/new-pynest/nestkernel/parameter.h#L153
  • in new pynest, dict is much more strict
• DECISION: Users must not be bothered with ConstParameterDouble and ConstParameterInt. Lower levels have to figure this out and behave as most expected.

Tri-partite connections

• require bump of minimum gcc version due to "C++17" requirement
• jointly discussed code