similar to: Callbacks seems to get GCed.

Dear List, When I try to parse code containing newline characters with R_ParseVector, I get a compilation error. How can I compile code that includes comments and newlines? I am using the following: void* my_compile(char *code) { SEXP cmdSexp, cmdExpr = R_NilValue; ParseStatus status; PROTECT (cmdSexp = allocVector (STRSXP, 1)); SET_STRING_ELT (cmdSexp, 0, mkChar (code));

Hello, I'm evaluating this expression expression({ for(x in 1:5){ .Call('rh_status','x') }}) a million times from a program with R embedded in it. I have attached reproducible code that crashes with Program received signal SIGSEGV, Segmentation fault. 0x00002b499ca40a6e in R_gc_internal (size_needed=0) at memory.c:1309 1309 FORWARD_NODE(R_PPStack[i]); Current language:

Hi, I'm new to R, and am trying to embed R into another application. I'm calling gev.fit() from the ismev package, and it is crashing somewhere inside it. gdb is not catching it, and valgrind is not showing any memory corruption issues. I suspect it's memory corruption, because it doesn't crash in exactly the same spot each time. I'm running R 2.12.2 on a 64 bit linux (Ubuntu

Hi all, I am using R-3.0.1 under Linux platform to embed R into my C++ code. I am facing an error while executing more than 1 R-expressions parallelly. I am executing round(X) and abs(X) parallelly on a set of 50 input rows which resulted in segmentation fault after getting the following errors. Error: unprotect_ptr: pointer not found Error: argument to 'findVar' is not an environment

Hi Sri, I haven't really elaborated on it having other stuff to prepare first, but as far as I got you first assign data to a vector: #include <R.h> #include <Rinternals.h> #undef R_INTERFACE_PTRS #include <Rembedded.h> #include "Rcpp.hpp" #include <R_ext/Parse.h> #include <Rinternals.h> #include <Rdefines.h> //assigning a vector SEXP

While doing some embedded programming and trying to figure out how to generate a hand coded SEXP equivalent of the line "t.test(x,conf.level=(1-p))$conf.int[2]" I had an idea for an addition to the embedded API. There are a number of hidden or static parse functions (R_ParseBuffer, R_Parse1Buffer, etc.) which take an IoBuffer* and returns a parsed tree. If one or more of these

Hello. I've been pulling together a Debian package out of Maxence Guesdon's OCaml bindings for R. Will be available from my website as soon as I get my router to obey me. Here's Maxence's bindings: http://pauillac.inria.fr/~guesdon/ocaml-r.en.html The purpose of this software is to access R from OCaml programs. However, my issue is that after having pulled things to a Debian

Hello. I've been pulling together a Debian package out of Maxence Guesdon's OCaml bindings for R. Will be available from my website as soon as I get my router to obey me. Here's Maxence's bindings: http://pauillac.inria.fr/~guesdon/ocaml-r.en.html The purpose of this software is to access R from OCaml programs. However, my issue is that after having pulled things to a Debian

Hello, I would like to have your opinions on this. *Problem:* Currently, there are no ways to perform hypercalls into LLVM (they transfer execution from the program being executed to the LLVM infrastructure to perform compilation). The goal of this project is to cleanly integrate an API into the LLVM code/execution engine to create custom callbacks. The “lli” executable should allow having a

Hi, Is the below -- setSeed -- an okay way to set the seed in standalone applications making use of Rlib? It seems to work as expected. Is there a better way to do it? (I'm also looking at do_setseed but am unsure what to supply as op. findFun("set.seed", R_GlobalEnv)?) Thanks much. -- David Faden, dfaden at iastate.edu AIM: pitulx -- #include <assert.h> #include

When I used -std-compile-opts -disable-inlining, my transform didn't happen. I think in your test, the inline of UseCallback into foo automatically made the function pointer into a constant, which turned it into a direct call that was then inlined. If UseCallback is too big to inline and uses the callback parameter inside a loop, this transform is potentially valuable, particularly if

I have the following situation: I drop a call-file into the Asterisk spool directory and I get called back. That all works. And I have this script: #!/usr/bin/perl -w use Asterisk::AGI; my $AGI = new Asterisk::AGI; my %input = $AGI->ReadParse(); $AGI->answer(); my $i; $i = $AGI->channel_status(); $AGI->say_digits($i); $i =

Hi Kenneth, > By that I mean an optimization pass (or a combination of them) that turns: ... > With that transform in place, lots of inlining becomes possible, and > direct function calls replace indirect function calls if inlining > isn't appropriate. If this transform is combined with argpromotion > and scalarrepl, it can be used for devirtualization of C++ virtual >

It should be relatively simple to write a pass that turns each call that has constant argument(s) into a call to specialized version of the callee. To devirtualize C++ calls it needs to be smarter, since the argument is not a constant, but a pointer to a struct that points to a constant. However, the trick here is 1) Knowing when to perform specialization. If the call was not inlined the function

By that I mean an optimization pass (or a combination of them) that turns: void useCallback(void (*callbackfn)()) { // Do something callbackfn(); // Do something else } void myCallback() { // Respond one way } void myOtherCallback() { // Respond another way } void foo() { useCallback(myCallback); useCallback(myOtherCallback); } into: // Keep the original; it'll get removed // by other

Hello, The use of .Call and the like all depend on loading shared libraries and registering routines from it. Also, .Primitive and .Internal depend on routines being registered in the R binary. And applications that embed R can override routines declared in Rinterfac.h, but is there a way for an application embedding R to register other routines defined in the application without loading a

On Thu, Oct 31, 2013 at 11:39 PM, sumeeth kc <sumeethkc at gmail.com> wrote: > Hello, > > I would like to have your opinions on this. > > *Problem:* > > Currently, there are no ways to perform hypercalls into LLVM (they > transfer execution from the program being executed to the LLVM > infrastructure to perform compilation). The goal of this project is to >

Hi I think I have asked these questions earlier, but I been able to find answers from the documentation (which I found poorly written in several places). Will someone be kind enough to give me answers and enlighten me? (as in explain with CODE?) I want to embed R in my application and use the fPortfolio package for carrying out risk management computations. Right now I'm reading the Rmetrics

hii guys: i get the message from the asterisk: Started music on hold, class 'default', on Local/s at skype-web-callback-dial-263to263-1775,1 [2008-11-11 14:32:41] WARNING[1781]: format_wav.c:156 check_header: Unexpected freqency 11025 [2008-11-11 14:32:41] WARNING[1781]: file.c:322 fn_wrapper: Unable to open format wav [2008-11-11 14:32:41] WARNING[1781]:

Hi Sumeeth, I'm not sure I understand what your new mechanism is supposed to add. You can already call functions defined in the host program from generated code. The Kaleidoscope tutorial does this. If the function you want to call is defined in a module that is dynamically loaded and you are using the default memory manager all you need to do is declare a prototype for the function in