I have been trying to experiment with Rcpp as it looks like it could be an excellent tool. However, I am unable to get your Finding Pi example ( http://dirk.eddelbuettel.com/blog/2012/11/20/#rcpp_attributes_pi_example ) to work.
I have the C++ file and the R script, but sourceCpp fails. When I set
showOutput and verbose to be TRUE then I get the following message.
Looking through the message, it appears that the g++ command line does
not have one of the parameters in quotes (highlighted in green) which is
why it might be interpreted as two (missing) parameters.
It is beyond my limited knowledge whether this is a bug or a problem
with the configuration of my system, details of which are attached.
If you have any suggestions on how to fix this, so that I can go on and
use Rcpp, then I would be grateful.
Best regards
Charles Cara
sourceCpp("src/piSugar.cpp", showOutput=TRUE, verbose=TRUE)
Generated extern "C" functions
--------------------------------------------------------
#include <Rcpp.h>
RcppExport SEXP sourceCpp_49731_piSugar(SEXP NSEXP) {
BEGIN_RCPP
Rcpp::RNGScope __rngScope;
int N = Rcpp::as<int >(NSEXP);
double __result = piSugar(N);
return Rcpp::wrap(__result);
END_RCPP
}
Generated R functions
-------------------------------------------------------
`.sourceCpp_49731_DLLInfo` <-
dyn.load('C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8
276073a/sourceCpp_69065.dll')
piSugar <- Rcpp:::sourceCppFunction(function(N) {},
`.sourceCpp_49731_DLLInfo`, 'sourceCpp_49731_piSugar')
rm(`.sourceCpp_49731_DLLInfo`)
Building shared library
--------------------------------------------------------
DIR:
C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8276073a
C:/PROGRA~1/R/R-215~1.1/bin/i386/R CMD SHLIB -o "sourceCpp_69065.dll"
"piSugar.cpp"
g++ -I"C:/PROGRA~1/R/R-215~1.1/include" -DNDEBUG -I"C:/Program
Files/R/R-2.15.1/library/Rcpp/include" -I"H:/Quantitative Strategy/R
Working folder/3rd party examples/Rcpp and Pi/src" -I"C:/Program
Files/R/R-2.15.1/library/Rcpp/include" -I"H:/Quantitative Strategy/R
Working folder/3rd party examples/Rcpp and Pi/src/../inst/include"
-O2 -Wall -mtune=core2 -c piSugar.cpp -o piSugar.o
g++ -shared -s -static-libgcc -o sourceCpp_69065.dll tmp.def piSugar.o
C:/Program Files/R/R-2.15.1/library/Rcpp/lib/i386/libRcpp.a
-LC:/PROGRA~1/R/R-215~1.1/bin/i386 -lR
g++.exe: error: C:/Program: No such file or directory
g++.exe: error: Files/R/R-2.15.1/library/Rcpp/lib/i386/libRcpp.a: No
such file or directory
Error in inDL(x, as.logical(local), as.logical(now), ...) :
unable to load shared object
'C:/Users/charlesc/AppData/Local/Temp/RtmpO2NWdT/sourcecpp_16e8276073a/s
ourceCpp_69065.dll':
LoadLibrary failure: The specified module could not be found.
Charles Cara
Absolute Strategy Research Ltd.
1st Floor
1-2 Royal Exchange Buildings,
London, EC3V 3LF
+44 207-073-0738 (direct line)
+44 207-073-0732 (fax)
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[1] "0.97.248"
$R
[1] "C:\\PROGRA~1\\R\\R-215~1.1\\bin\\i386\\R.exe"
$pdflatex
[1] ""
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[1] ""
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[1] ""
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[1] "C:\\PROGRA~1\\Git\\cmd\\git.exe"
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[1] ""
R version 2.15.1 (2012-06-22)
Platform: i386-pc-mingw32/i386 (32-bit)
locale:
[1] LC_COLLATE=English_United Kingdom.1252 LC_CTYPE=C
LC_MONETARY=English_United Kingdom.1252
[4] LC_NUMERIC=C LC_TIME=English_United Kingdom.1252
attached base packages:
[1] datasets splines grDevices grid stats graphics utils
methods base
other attached packages:
[1] rbenchmark_1.0.0 Rcpp_0.10.2 XLConnect_0.2-0
XLConnectJars_0.2-0
[5] rJava_0.9-3 caTools_1.13 bitops_1.0-4.1
Hmisc_3.9-3
[9] survival_2.36-14 Datastream2R_1.0 scales_0.2.1
ggplot2_0.9.1
[13] cairoDevice_2.19 XMLSchema_0.7-0 XML_3.9-4.1
reshape2_1.2.1
[17] reshape_0.8.4 plyr_1.7.1
latticeExtra_0.6-19 lattice_0.20-6
[21] RColorBrewer_1.0-5 PerformanceAnalytics_1.0.4.4 quantmod_0.3-17
TTR_0.21-1
[25] xts_0.8-6 zoo_1.7-7 Defaults_1.1-1
sp_0.9-99
[29] SSOAP_0.9-1
loaded via a namespace (and not attached):
[1] cluster_1.14.2 codetools_0.2-8 colorspace_1.1-1 dichromat_1.2-4
digest_0.5.2 labeling_0.1 MASS_7.3-19
[8] memoise_0.1 munsell_0.3 proto_0.3-9.2 RCurl_1.91-1.1
rstudio_0.97.248 stringr_0.6.1 tools_2.15.1
SysInfo:
sysname release
version nodename
"Windows" "7" "build 7601, Service
Pack 1" "PCASR131"
machine login
user effective_user
"x86" "CharlesC"
"CharlesC" "CharlesC"
R Version:
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor 15.1
year 2012
month 06
day 22
svn rev 59607
language R
version.string R version 2.15.1 (2012-06-22)
nickname Roasted Marshmallows
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[41] "package:base"
piSugar.cpp
Description: piSugar.cpp
Pi Example.R
Description: Pi Example.R
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