Add a helper class EventFrequency
Add a helper class EventFrequency

A helper class to measure frequency of a certain event. To use this
class create an instance and call event() function every time the event
in question occurs. The estimated frequency can be retrieved with
getFrequency() function.

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