[Rd] list2env() is broken

Hi, The following code produces different kinds of problems depending on which platform you run it: x <- as.list(1:20) names(x) <- paste("A", 1:20, sep="") e <- list2env(x) Timeout on Linux, crash on Mac and Windows, with R 2.12.0 and current R devel. The "multi-assign" mode (i.e

Re: [Rd] [Rcpp-devel] must .Call C functions return SEXP?

On Thu, Oct 28, 2010 at 6:04 PM, Douglas Bates wrote: > On Thu, Oct 28, 2010 at 1:44 PM, Dominick Samperi > wrote: > > See comments on Rcpp below. > > > > On Thu, Oct 28, 2010 at 11:28 AM, William Dunlap > wrote: > >> > >> > -Original Message- > >> > From: r-devel-boun...@r-project.org

Re: [Rd] [Rcpp-devel] must .Call C functions return SEXP?

On Thu, Oct 28, 2010 at 1:44 PM, Dominick Samperi wrote: > See comments on Rcpp below. > > On Thu, Oct 28, 2010 at 11:28 AM, William Dunlap wrote: >> >> > -Original Message- >> > From: r-devel-boun...@r-project.org >> > [mailto:r-devel-boun...@r-project.org] On Behalf Of Andrew Piskorski

Re: [Rd] make check-all error on Win 7 with 2-12-.0: vfork: Resource temporarily unavailable

This is a problem in the toolset (Cygwin), not in R, and indicates the machine was too busy (more or less as it says). On Thu, 28 Oct 2010, Andy Bunn wrote: Hi all, I just built R from src on Windows 7 using Rtools212.exe. The build went as usual (R, bitmaps, and manuals all OK) but make chec

Re: [Rd] must .Call C functions return SEXP?

On Thu, Oct 28, 2010 at 10:59:26AM -0400, Simon Urbanek wrote: > Because R assumes that you don't mess with the arguments, it also > optimizes b to point to the same object as a which you then modify. > I hope it sheds some light on it. Indeed! Thank you Simon, that was a thorough and illuminat

Re: [Rd] R-2.12.0 hangs while loading RGtk2 on FreeBSD

On 28.10.2010 20:07 (UTC+1), Michael Lawrence wrote: On Wed, Oct 27, 2010 at 12:09 PM, Rainer Hurling mailto:rhur...@gwdg.de>> wrote: On 27.10.2010 15:07 (UTC+1), Michael Lawrence wrote: On Sat, Oct 23, 2010 at 2:49 AM, Rainer Hurling mailto:rhur...@gwdg.de>

Re: [Rd] must .Call C functions return SEXP?

See comments on Rcpp below. On Thu, Oct 28, 2010 at 11:28 AM, William Dunlap wrote: > > -Original Message- > > From: r-devel-boun...@r-project.org > > [mailto:r-devel-boun...@r-project.org] On Behalf Of Andrew Piskorski > > Sent: Thursday, October 28, 2010 6:48 AM > > To: Simon Urbanek >

[Rd] make check-all error on Win 7 with 2-12-.0: vfork: Resource temporarily unavailable

Hi all, I just built R from src on Windows 7 using Rtools212.exe. The build went as usual (R, bitmaps, and manuals all OK) but make check-all failed when running the examples for package 'tcltk': ... running code in 'demos2.R' ... OK running tests of primitives running code in 'primitives.R' ..

Re: [Rd] R-2.12.0 hangs while loading RGtk2 on FreeBSD

On Wed, Oct 27, 2010 at 12:09 PM, Rainer Hurling wrote: > On 27.10.2010 15:07 (UTC+1), Michael Lawrence wrote: > >> On Sat, Oct 23, 2010 at 2:49 AM, Rainer Hurling > > wrote: >>On 22.10.2010 22:10 (UTC+1), Rainer Hurling wrote: >>On 22.10.2010 16:18 (UTC+2), Ra

Re: [Rd] Reference Classes: Generalizing Reference Class Generator objects?

?ReferenceClasses says "Reference methods can not themselves be generic functions; if you want additional function-based method dispatch, write a separate generic function and call that from the method". So I think you'd need to take that approach in your "initialize" method. Hope this helps, Jon

Re: [Rd] Reference Classes: Generalizing Reference Class Generator objects?

Thank you. Your example really clarifies what the $initialize(...) function is supposed to do. Do you know if there is a straightforward way to dispatch the $new(...) method based on the signature of the arguments? I am thinking along the lines of S4 methods with valid signatures. Thanks aga

Re: [Rd] Unexpected behabiour of min, tapply and POSIXct/POSIXlt classes?

Hi Carlos, this definitely does not belong to r-devel, just ask it on the normal help list or on www.stackoverflow.com next time. If you read the help file, this behaviour is exactly as expected : ---start quote--- Note that if the return value has a class (e.g. an object of class "Date") the cla

[Rd] Unexpected behabiour of min, tapply and POSIXct/POSIXlt classes?

Hello, I found rather surprising the behaviour of POSIXct and POSIXlt classes when combined with min and tapply. The details can be deduced from the script below: # Start of the script before <- Sys.time() Sys.sleep( 1 ) now1 <- now2 <- Sys.time() my.times <-

Re: [Rd] Reference Classes: Generalizing Reference Class Generator objects?

Sorry - you don't need to assign the value of initFields(). I was going to do it in two lines but then realised one was enough... :) TestClass <- setRefClass ("TestClass", fields = list (text = "character"), methods = list ( initialize = function (text) { initFields(te

Re: [Rd] Reference Classes: Generalizing Reference Class Generator objects?

Hi Daniel, I think you want to define an "initialize" method, as in TestClass <- setRefClass ("TestClass", fields = list (text = "character"), methods = list ( initialize = function (text) { object <- initFields(text=paste(text,"\n")) }, print = functio

Re: [Rd] must .Call C functions return SEXP?

> -Original Message- > From: r-devel-boun...@r-project.org > [mailto:r-devel-boun...@r-project.org] On Behalf Of Andrew Piskorski > Sent: Thursday, October 28, 2010 6:48 AM > To: Simon Urbanek > Cc: r-devel@r-project.org > Subject: Re: [Rd] must .Call C functions return SEXP? > > On Thu,

Re: [Rd] must .Call C functions return SEXP?

On Oct 28, 2010, at 9:48 AM, Andrew Piskorski wrote: > On Thu, Oct 28, 2010 at 12:15:56AM -0400, Simon Urbanek wrote: > >>> Reason I ask, is I've written some R code which allocates two long >>> lists, and then calls a C function with .Call. My C code writes to >>> those two pre-allocated lists

[Rd] Reference Classes: Generalizing Reference Class Generator objects?

Is it possible to override the $new(...) in the reference class generator? I have tried adding a "new" method to the methods of the class, but that is obviously not correct. I have also tried adding it to the class generator, but the class generator still uses the default constructor. As a si

Re: [Rd] must .Call C functions return SEXP?

On Thu, Oct 28, 2010 at 12:15:56AM -0400, Simon Urbanek wrote: > > Reason I ask, is I've written some R code which allocates two long > > lists, and then calls a C function with .Call. My C code writes to > > those two pre-allocated lists, > That's bad! All arguments are essentially read-only so

[Rd] expressions as active bindings?

Hello everyone! Would it be possible some day to use expressions as active bindings? Something like makeActiveExpression("foo", Expr0, env) where Expr0 is executed in _env_ whenever "foo" is refereed. The motivation for this question is fourfold: - need to use <<- if the active binding is