Re: [Rd] suggestion how to use memcpy in duplicate.c

2010-04-24 Thread Simon Urbanek
Herve, I think you code just confirms what I said -- for small nt for() wins, otherwise memcpy wins. Taking your measurements (they are a bit crude since they measure overhead as well): ginaz:sandbox$ time ./hmc.mc 1 real0m7.294s user0m7.239s sys 0m0.054s ginaz:sandbox$ time ./hmc

[Rd] S4 Inheritance of environments

2010-04-24 Thread Christopher Brown
I looked through the documentation and the mailing lists and could not find an answer to this. My apologies if it has already been answered. If it has, a pointer to the relevant discussion would be greatly appreciated. Creating S4 classes containing environments exhibits unexpected behavior/feat

Re: [Rd] S4 Inheritance of environments

2010-04-24 Thread Roger Peng
I think using 'is(inEnv, "environment")' produces the answer you expect. Can't explain the other anomalies though. -roger On Sat, Apr 24, 2010 at 1:15 PM, Christopher Brown wrote: > I looked through the documentation and the mailing lists and could not > find an answer to this.  My apologies if