[Rd] Undocumented change of dirname("C:/") on R-devel on Windows

Hi, I found dirname() behaves differently on R-devel on Windows. Since I'm not sure which behavior is right, let me ask here before filing this to R's Bigzilla. On R 4.2.2., we get > dirname("C:/") [1] "C:/" However, on R-devel (r83888), we get > dirname("C:/") [1] "." ?dirnam

[Rd] dyn.load loads libraries/symbols at high addresses.

Hello all, I am trying to write an interface for BQN and R However, even | dyn.load("/usr/local/lib/libcbqn.so"); .Call("bqn_init")| immediately fails on the BQN side, viz. |Failed to allocate memory for JIT 200 times; stopping trying|| ||CBQN interpreter ent

Re: [Rd] uniroot violates bounds?

> Martin Maechler on Mon, 20 Feb 2023 19:25:02 +0100 writes: > Serguei Sokol via R-devel > on Mon, 20 Feb 2023 10:59:22 +0100 writes: >> Le 18/02/2023 à 21:44, J C Nash a écrit : >>> I wrote first cut at unirootR for Martin M and he revised and put in >>> Rmpfr.