Andrew Johnson

Update RNG tests to use mixmax RNG - declare stan::rng_t in Math library instead

3

## Summary As seen over in [this Stan issue](https://github.com/stan-dev/stan/issues/3285), it looks like the new `mixmax` RNG has some edge cases. This PR updates our tests to use the same RNG...

Support building TBB on Windows arm64

3

This PR reverts the changes which delegate to RTools for the TBB on Windows ARM64, and adds support for building and using the bundled TBB. We use the same changes...

clang-asan shows successful check even when UndefinedBehaviorSanitizer triggered

1

Just to wanted to check if this is expected/intended behaviour - when the `clang-asan` container detects undefined behaviour, the workflow still reports a successful completion. Should the workflow fail on...

Allow using variadic templates instead of pre-generated code where supported

7

Opening this as a draft/PoC PR for feedback on the general idea/approach before I make more changes. For users/systems with c++11 compilers, replacing the generated code in Rcpp with variadic...

#### Summary: The Eigen overloads for model base methods like `log_prob` and `unconstrain_array` only accept `Eigen::VectorXd` inputs, which can require some data-reshaping/copying for downstream interfaces. If these could be changed...

@bgoodri this PR fixes the current building errors for `rstanarm` (including those seen in #616), by replacing the `roxygenise()` call in `cleanup` with the generated roxygen docs and using `rstantools`...

Recommend using `ccache`?

3

#### Summary: There can a lot of repeated compilation across different Stan programs if the same templates are being instantiated. We could suggest using [`ccache`](https://ccache.dev/manual/4.9.1.html) to help reduce compile times?...

This PR fixes the installation on windows aarch64 [from here](https://github.com/r-lib/systemfonts/issues/106#issuecomment-2131411119) by using `pkg-config` to check for rtools-provided libraries/headers. Let me know if I've missed anything, thanks!