Hi all, Can anyone please help me in this.
Thanks Amit On Tue, Dec 9, 2014 at 9:05 PM, Amit Gupta <amit.gu...@alpha-grep.com> wrote: > Hi All, > > I am trying to integrate R in my C++ code . I was going through some test > examples in /RInside/inst/examples/standard/. I am able to reproduce the > results of example 7 on my machine > > > *"txt = "m <- 1.23"; double d1 = Rcpp::as< double > >(R.parseEval(txt)); std::cout << "d1 " << d1 << std::endl;"* > > But when I am trying to integrate into my codebase , I am getting stuck at > the call of > > *Rcpp::as< double >(R.parseEval(txt));* > To give you the complete details, > > this is the code in my codebase(which is getting stuck) > > > > > > *std::string txt = "m <- 1.23;";double d1 = Rcpp::as< double > >(R.parseEval(txt));std::cout << "d1 " << d1 << std::endl;* > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > *When I do gdb , follwing is the stack trace(gdb) n341 RInside > R(0,NULL,true,true,false);(gdb) n345 std::string txt = "m <- > 1.23;";(gdb) n349 double d1 = Rcpp::as< double > >(R.parseEval(txt));gdb) s0x0000003a088e8770 in profil_counter () from > /lib64/libc.so.6(gdb) sSingle stepping until exit from function > profil_counter,which has no line number information.RInside::parseEval > (this=0x7fffffffdb20, line="m <- 1.23;") at RInside.cpp:379379 > RInside.cpp: No such file or directory. in RInside.cpp(gdb) n381 in > RInside.cpp(gdb) n379 in RInside.cpp(gdb) n381 in RInside.cpp(gdb) > nProgram received signal SIGTRAP, Trace/breakpoint trap.0x00002aaaab687dfe > in RInside::parseEval () from > /usr/local/lib64/R/library/RInside/lib/libRInside.so(gdb) s* > > > > > > > *When I replace the above code with std::string txt = "m <- > c(1,2,3,4,5);" "print(mean(m));"; > R.parseEval(txt);* > > > *This code works perfectly printing the mean of the vector.* > > > *My guess is that the problem is coming somewhere in typecasting the > output of R.parseEval to double etc.* > > > *Can someone please look into this. Thanks* > > *Amit* >
_______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
