--- trunk/src/brains/ForceManager.cpp 2013/06/19 14:14:56 1892 +++ trunk/src/brains/ForceManager.cpp 2013/06/19 17:19:07 1893 @@ -760,7 +760,8 @@ namespace OpenMD { d_grp = fDecomp_->getIntergroupVector(cg1, cg2); - curSnapshot->wrapVector(d_grp); + // already wrapped in the getIntergroupVector call: + // curSnapshot->wrapVector(d_grp); rgrpsq = d_grp.lengthSquare(); rCutSq = cuts.second;