Hi Christophe, The problem might be that you used %d when printing. I guess that your variables dist and tmp are double so you have to use %f instead.
Best, Mathieu Le dimanche 08 février 2009 à 23:37 +0100, Christophe Genolini a écrit : > Hi the list, > > I need to include some C code in R, but the behavior of the C code is > strange : Here is my code : > --- 8< --- > Rprintf("\n XXXX mTraj=%f > mClus=%f",mTraj[i+nbId*c],mClustersCenter[j+nbClusters*c]); > > Rprintf("\nDistA=%d Tmp=%d",dist,tmp); > tmp = mTraj[i+nbId* c] - mClustersCenter [j+nbClusters* c]; > > Rprintf("\nDistB=%d Tmp=%d",dist,tmp); > dist += (tmp * tmp); > > Rprintf("\nDistC=%d Tmp=%d",dist,tmp); > --- 8< ---- > > Herer are the stranges results it gives : > > XXXX mTraj=1.000000 mClus=3.000000 > DistA=0 Tmp=0 > DistB=0 Tmp=0 > DistC=0 Tmp=1074790400 > > I ask on a C chat, but no one can answer me. > Any idea of what wrong ? > > Thanks > Christophe > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- Institute of Mathematics Ecole Polytechnique Fédérale de Lausanne STAT-IMA-FSB-EPFL, Station 8 CH-1015 Lausanne Switzerland http://stat.epfl.ch/ Tel: + 41 (0)21 693 7907 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel