similar to: using the .C interface to call compiled C code

Dear People, I wrote the following bit of C code and (along with other bits) called it mycode.c, and compiled the file into a shared library to load into R, using R CMD SHLIB mycode.c. This was Ok, but when I tried to load this into R using dyn.load("mycode.so") I got the error > dyn.load("mycode.so") Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to

The docs tell me: "The header files define USING_R, which should be used to test if the code is indeed being used with R." but surely you only get that if you #include <R.h>, which you can only do if you are using R. If you have code that you might want to compile in R and for other purposes, how can you detect this? As an example, suppose I have some C that uses GSL to get

Dear People, Over the last few days I've been writing C++ to compile as a shared library (previously I have always used C). Not entirely to my surprise, I am getting errors. Specifically, when I try to load the shared library, I get Error in dyn.load(x, as.logical(local), as.logical(now)) : unable to load shared library "/home/faheem/research/thesis/sim/ms/ms.so":

On Wed, 7 Feb 2001, Faheem Mitha wrote: > Dear Albrecht, > > Just sent the following message out to r-help. Have you any idea what this > problem could be? > > Sincerely, Faheem Mitha. > > ---------- Forwarded message ---------- > Date: Wed, 7 Feb 2001 00:04:35 -0500 (EST) > From: Faheem Mitha <faheem at email.unc.edu> > To:

Dear R-devel, I am trying to alter rpart so that it makes additional calculations when growing the tree. In the "rpart.s" there is a call to the C routine: rp <- .C("s_to_rp2", as.integer(nobs), as.integer(nsplit), as.integer(nodes), as.integer(ncat),

Dear R people, I have the following simple bit of code to make a plot. I want to suppress tick marks on the axes of the plot. I've been trying everything I can think of to do so, but have been unsuccessful. Can you help me? If you reply, please cc me, I'm not currently subscribed to the list. Thanks in advance. Sincerely, Faheem Mitha. num <- 1:i inc

Dear People, Consider the following fragment of R code choose <- function(n,r) { if( is.integer(n) && is.integer(r) && n > 0 && r >= 0 ) { .C("choose",as.double(n),as.double(r),comb = double(1))$comb } else stop("n must be a positive integer and r a non-negative integer.") } This is a practice function (n choose r), which I

The error given: ..\..\..\..\trunk\lib\Transforms\Scalar\LoopStrengthReduce.cpp(1016) : error C2668: 'abs' : ambiguous call to overloaded function f:\Program Files\Microsoft Visual Studio 8\VC\include\math.h(539): could be 'long double abs(long double)' f:\Program Files\Microsoft Visual Studio 8\VC\include\math.h(491): or 'float abs(float)'

Dear People, I have been writing a simulation routine that is currently entirely written in c++. I've been using the R standalone math library to give me random number generation for this. However, I have had to set the seed myself, and I am using set_seed(time(NULL), clock) for every call to unif_rand(). However, this works really badly. The random numbers aren't uniform at all. Does

I have the following question, which is elementary but I am unable to answer. In a for(i=10) loop, I am trying to represent the 10 1-dimensional vectors l1, l2,... l10 by some expression that will run through these values. ie. soppose I want to add l1 + ... + l10 I could go x <- 0 for(i in 1:10){ x <- x+ l(i)} This should return x to be the sum of the 10 li's for i from 1 to 10

Dear People, I have been trying to perform concatenation operations on lists without success. Consider the following example. > x <- runif(2) > y <- runif(2) > z <- runif(2) > xy <- list(x,y) > xyz <- list(x,y,z) I want to have a function foo such that foo(xy,z) is the same as xyz. This appears not to be as easy as I thought, though there must be a way. For example

Dear All, I am using fexact.c on a C++ program I wrote. To minimize dependencies on other files (e.g., to not need to include R.h and ctest.h ---now I only include the R files Boolean.h, Constants.h, and Memory.h), I have re-written all declarations of Sints as ints and, what is potentially more serious, I have re-written the line (lines 329 and 330, in fexact.c on R-1.6.1) /* IMAX is the

Dear OpenSSH developers, Hi, taking the liberty of sending this to your mailing list in the hope someone will be able to help. The KTH version of Kerberos 4 was the only one I was able to find. In case you don't want to look at all the stuff below, the situation is briefly that I am trying to compile openssh with kerberos 4 support, which it apparently has. However, it can't find krb.h,

Dear R People, I getting some curious behaviour with the integrate function. Consider the function foo <- function(x) { if(x==0) 4 else 0 } I get the error > integrate(foo,0,1) Error in integrate(foo, 0, 1) : evaluation of function gave a result of wrong length But now consider foo <- function(x) { ifelse(x==0,4,0) } > integrate(foo,0,1) 0 with absolute error

Christian, the question for you is towards the end... On 09/10/2015 15:39, Denis V. Lunev wrote: > diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c > index 62cf8c9..15c3c02 100644 > --- a/arch/x86/kvm/hyperv.c > +++ b/arch/x86/kvm/hyperv.c > @@ -23,13 +23,265 @@ > > #include "x86.h" > #include "lapic.h" > +#include "ioapic.h"

Christian, the question for you is towards the end... On 09/10/2015 15:39, Denis V. Lunev wrote: > diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c > index 62cf8c9..15c3c02 100644 > --- a/arch/x86/kvm/hyperv.c > +++ b/arch/x86/kvm/hyperv.c > @@ -23,13 +23,265 @@ > > #include "x86.h" > #include "lapic.h" > +#include "ioapic.h"

Dear rsync people, I have just started using rsync for backups. I have had a couple of issues. Note I'm trying to use rsync as user using ssh between two machines both running Debian GNU/Linux potato (2.2r3). The local machine is currently running 2.4.6-1 and the remote 2.3.2-1.2. 1) When I run rsync with the vv option, stuff scrolls of my screen faster than I can read it. I was wondering if

Dear People, I am trying to include a barplot (see code below), in a latex document. However, the plot appears in totally the wrong position. I know this is not an R question as such, but the eps file is produced by R and I thought that perhaps other people had had similar problems and could give me pointers. Am I doing anything obviously wrong? Sincerely, Faheem Mitha. PS.

install packages chron fail in Fedora 12, cpu I7/860 See down. Regard, Juan S. Ramseyer. > install.packages() Loading Tcl/Tk interface ... done --- Please select a CRAN mirror for use in this session --- Warning in install.packages() : argument 'lib' is missing: using '/usr/lib64/R/library' tentando a URL

==> CRASH INSTALLING PACKAGES CHRON IN: Intel(R) Core(TM) i7 CPU 860 @ 2800GHz ==> IT'S COMPILED DIRECTIVE WRONG? REGARD YOUR ATENTION ==> I RUN: SO:Linux 2.6.31.12-174.2.19.fc12.x86_64 x86_64 Fedora release 12 (Constantine) ==> AND RECEIVE NEXT MESSAGENS IN INSTALLING: > install.packages() Loading Tcl/Tk interface ... done --- Please select a CRAN mirror for use in this