[Rd] How to debug C code running in R

[Duncan Murdoch]

On 4/23/2007 12:21 AM, Tong Wang wrote:
> Hi,
>     I am in the situation where I could get my code run correctly under GNU C, but it produced different (strange) results
> while running in R . ( I use .C to call the function).   May I get some general advice on how could I do step by step debug
> of source code in R ?

There's a chapter on debugging in Writing R Extensions, with specific 
advice for compiled code.  I also put together a web page of mostly 
Windows-specific advice, at

http://www.stats.uwo.ca/faculty/murdoch/software/debuggingR

Duncan Murdoch