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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Hi,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>I observe a crash in NumericVector constructor with new versions of Rcpp/RInside: (0.11.1 and 0.2.11 respectively).<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Here is a test c++ code:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>////////// dataptr_crash.cpp //////////////////////////////////////////////////////////<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#include <RInside.h><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#include <Rcpp.h><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#include <boost/shared_ptr.hpp><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>static boost::shared_ptr<RInside> Rinst;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>int main(int argc, char *argv[]) {<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> Rinst = boost::shared_ptr<RInside>(new RInside(argc, argv));<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> int N = 173;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> double v[N];<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> std::fill(v, v+N, 0.0);<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> Rcpp::NumericVector x(v, v+N);<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> return 0;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>}<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>//////////////////////////////////////////////////////////////////////////////////////////////////<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>to build:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>gcc -g3 -O0 -I$R_HOME/include -I$R_HOME/library/Rcpp/include -I$R_HOME/library/RInside/include -L$R_HOME/lib -L$R_HOME/library/Rcpp/lib -L$R_HOME/library/RInside/lib -lR -lRcpp -lRInside dataptr_crash.cpp<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>environment:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>uname -r<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>2.6.32-279.5.2.el6.x86_64<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>gcc --version<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Copyright (C) 2010 Free Software Foundation, Inc.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>This is free software; see the source for copying conditions. There is NO<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>> library(Rcpp)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>> library(RInside)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>> sessionInfo()<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>R version 3.0.3 (2014-03-06)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Platform: x86_64-unknown-linux-gnu (64-bit)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>locale:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> [7] LC_PAPER=en_US.UTF-8 LC_NAME=C<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> [9] LC_ADDRESS=C LC_TELEPHONE=C<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>attached base packages:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>[1] stats graphics grDevices utils datasets methods base<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>other attached packages:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>[1] RInside_0.2.11 Rcpp_0.11.1<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>The test program above crashes in Rcpp::NumericVector ctor and the top of the stack looks like the following:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Program received signal SIGSEGV, Segmentation fault.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>0x000000000040315e in dataptr (x=Cannot access memory at address 0x7fffff3feff8<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:196<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>196 inline void* dataptr(SEXP x){<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>(gdb) bt<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#0 0x000000000040315e in dataptr (x=Cannot access memory at address 0x7fffff3feff8<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:196<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#1 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#2 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#3 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#4 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#5 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#6 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#7 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#8 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#9 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#10 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'> at /quantpkgs/R/R-3.0.3/lib64/R/library/Rcpp/include/Rcpp/routines.h:199<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>#11 0x00000000004031da in dataptr (x=0x146f290)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>---Type <return> to continue, or q <return> to quit---q<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>However, I couldn’t reach the bottom of the stack -- it’s too long.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>In older versions of R/Rcpp/RInside it works fine. Boost version seems to be irrelevant.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Is this a known issue?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Arial","sans-serif";color:#465560'>Thanks,<o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#E21F26'>SLAVA MAZUR</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#465560'><br></span><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#465560'>PRODUCT MANAGEMENT</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#465560'><br></span><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#465560'>LIQUIDNET</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#7D7D7D'><br></span><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#465560'>498 SEVENTH AVENUE, 15TH FLOOR, NEW YORK, NY 10018</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#465560'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#465560'>THINK HFT IS OLD NEWS?<br><a href="http://www.liquidnet.com/news/740-asset-managers-rely-on-liquidnet-to-protect-them-from-hft/"><span style='color:blue'>SO DO WE.</span></a></span><o:p></o:p></p></div></body></html>