patrick-kidger / patrick-kidger/diffrax

Safety of taking a delta t = 0 step?

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question
Dominant language
Python
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Description

If doing a manual step with an AbstractSolver is it always safe to take a step size with time difference of 0?

solver.step(..., t0, t0, ...)

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the AbstractSolver.step entry point and trace how it handles equal start and end times. Determine whether solver.step(..., t0, t0, ...) is guaranteed safe, then document the behavior or add a focused regression test if the repository’s existing tests cover this API.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend-api-design
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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