changed implementation of rounding functions
changed implementation of rounding functions

git-svn-id: 5398946ba177a3e438c2dae55e2cdfc2fb96c905@414 a9d63959-f2ad-4865-b262-bf0e56cfafb6

lebronzhang/pcl,the-glu/pcl,mikhail-matrosov/pcl,stefanbuettner/pcl,krips89/pcl_newfeatures,sbec/pcl,ResByte/pcl,3dtof/pcl,zhangxaochen/pcl,mschoeler/pcl,wgapl/pcl,msalvato/pcl_kinfu_highres,mschoeler/pcl,zavataafnan/pcl-truck,stfuchs/pcl,ResByte/pcl,raydtang/pcl,closerbibi/pcl,pkuhto/pcl,LZRS/pcl,zavataafnan/pcl-truck,RufaelDev/pcc-mp3dg,fanxiaochen/mypcltest,nh2/pcl,chatchavan/pcl,ipa-rmb/pcl,nh2/pcl,nikste/pcl,RufaelDev/pcc-mp3dg,shyamalschandra/pcl,kanster/pcl,krips89/pcl_newfeatures,jeppewalther/kinfu_segmentation,v4hn/pcl,MMiknis/pcl,ipa-rmb/pcl,simonleonard/pcl,jakobwilm/pcl,DaikiMaekawa/pcl,KevenRing/pcl,jeppewalther/kinfu_segmentation,starius/pcl,soulsheng/pcl,stefanbuettner/pcl,closerbibi/pcl,nikste/pcl,soulsheng/pcl,zhangxaochen/pcl,simonleonard/pcl,closerbibi/pcl,wgapl/pcl,shyamalschandra/pcl,the-glu/pcl,closerbibi/pcl,nikste/pcl,RufaelDev/pcc-mp3dg,chenxingzhe/pcl,LZRS/pcl,LZRS/pcl,raydtang/pcl,krips89/pcl_newfeatures,zhangxaochen/pcl,shyamalschandra/pcl,locnx1984/pcl,3dtof/pcl,KevenRing/vlp,msalvato/pcl_kinfu_highres,mikhail-matrosov/pcl,msalvato/pcl_kinfu_highres,KevenRing/vlp,lebronzhang/pcl,shangwuhencc/pcl,nikste/pcl,lebronzhang/pcl,lebronzhang/pcl,3dtof/pcl,LZRS/pcl,v4hn/pcl,chatchavan/pcl,starius/pcl,chenxingzhe/pcl,shyamalschandra/pcl,kanster/pcl,chenxingzhe/pcl,wgapl/pcl,sbec/pcl,mikhail-matrosov/pcl,mschoeler/pcl,shivmalhotra/pcl,Nerei/pcl_old_repo,ipa-rmb/pcl,raydtang/pcl,locnx1984/pcl,fanxiaochen/mypcltest,nh2/pcl,soulsheng/pcl,KevenRing/pcl,shyamalschandra/pcl,srbhprajapati/pcl,3dtof/pcl,Tabjones/pcl,soulsheng/pcl,simonleonard/pcl,stfuchs/pcl,ipa-rmb/pcl,soulsheng/pcl,Tabjones/pcl,lydhr/pcl,srbhprajapati/pcl,jakobwilm/pcl,lydhr/pcl,jakobwilm/pcl,KevenRing/pcl,cascheberg/pcl,ResByte/pcl,shangwuhencc/pcl,shivmalhotra/pcl,Tabjones/pcl,Nerei/pcl_old_repo,msalvato/pcl_kinfu_highres,chatchavan/pcl,shivmalhotra/pcl,kanster/pcl,mschoeler/pcl,fanxiaochen/mypcltest,LZRS/pcl,jakobwilm/pcl,zavataafnan/pcl-truck,starius/pcl,KevenRing/vlp,fskuka/pcl,lydhr/pcl,cascheberg/pcl,starius/pcl,wgapl/pcl,zavataafnan/pcl-truck,sbec/pcl,pkuhto/pcl,drmateo/pcl,ResByte/pcl,zavataafnan/pcl-truck,fskuka/pcl,pkuhto/pcl,chatchavan/pcl,v4hn/pcl,cascheberg/pcl,MMiknis/pcl,jeppewalther/kinfu_segmentation,jeppewalther/kinfu_segmentation,v4hn/pcl,drmateo/pcl,damienjadeduff/pcl,srbhprajapati/pcl,kanster/pcl,stfuchs/pcl,zhangxaochen/pcl,mschoeler/pcl,closerbibi/pcl,nikste/pcl,lydhr/pcl,lydhr/pcl,shangwuhencc/pcl,KevenRing/vlp,fskuka/pcl,fskuka/pcl,simonleonard/pcl,RufaelDev/pcc-mp3dg,DaikiMaekawa/pcl,cascheberg/pcl,MMiknis/pcl,nh2/pcl,Tabjones/pcl,DaikiMaekawa/pcl,damienjadeduff/pcl,mikhail-matrosov/pcl,damienjadeduff/pcl,stefanbuettner/pcl,ResByte/pcl,the-glu/pcl,jeppewalther/kinfu_segmentation,krips89/pcl_newfeatures,locnx1984/pcl,KevenRing/vlp,jakobwilm/pcl,srbhprajapati/pcl,DaikiMaekawa/pcl,shivmalhotra/pcl,fanxiaochen/mypcltest,shangwuhencc/pcl,KevenRing/pcl,msalvato/pcl_kinfu_highres,chenxingzhe/pcl,krips89/pcl_newfeatures,the-glu/pcl,3dtof/pcl,raydtang/pcl,wgapl/pcl,starius/pcl,damienjadeduff/pcl,kanster/pcl,sbec/pcl,stefanbuettner/pcl,simonleonard/pcl,DaikiMaekawa/pcl,chenxingzhe/pcl,RufaelDev/pcc-mp3dg,fskuka/pcl,v4hn/pcl,lebronzhang/pcl,sbec/pcl,pkuhto/pcl,ipa-rmb/pcl,shangwuhencc/pcl,MMiknis/pcl,raydtang/pcl,mikhail-matrosov/pcl,drmateo/pcl,Nerei/pcl_old_repo,srbhprajapati/pcl,fanxiaochen/mypcltest,stfuchs/pcl,MMiknis/pcl,pkuhto/pcl,Tabjones/pcl,locnx1984/pcl,stfuchs/pcl,Nerei/pcl_old_repo,drmateo/pcl,the-glu/pcl,cascheberg/pcl,locnx1984/pcl,damienjadeduff/pcl,stefanbuettner/pcl,zhangxaochen/pcl,drmateo/pcl,shivmalhotra/pcl,KevenRing/pcl