::exp vs. std::exp and friends?

[Bob Carpenter]

We've got a lot of variation in our underlying code around which
versions of cmath to use. There are two versions in the C++ libs:

Top-level lib ::exp
Standard lib: std::exp

I'm pretty sure from searching around that they're the same function,
just in two namespaces.

Does anyone have a preference for which one we use? If not, I'd
suggest std::exp, because it's the more C++-like way to do it. The
top-level namespace looks like it's just there for C compatibility.

- Bob

[Michael Betancourt]

I like the more-explicit std:: version.

> --
> You received this message because you are subscribed to the Google Groups "stan development mailing list" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to stan-dev+u...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

[Rob Trangucci]

Ditto, I also like the std:: version.

Rob