基于整数的hash算法介绍
structhash_set_func
{
enum
{//parametersforhashtablebucket_size=2,//0<bucket_sizemin_buckets=8
};//min_buckets=2^^N,0<Nsize_toperator()(constPointBidAskEntry&v)const{size_tkey=v;key+=~(key<<15);key^=(key>>10);key+=(key<<3);key^=(key>>6);key+=~(key<<11);key^=(key>>16);returnkey;}booloperator()(constPointBidAskEntry&_Keyval1,constPointBidAskEntry&_Keyval2)const{//testif_Keyval1orderedbefore_Keyval2return(gt(_Keyval1,_Keyval2));}greater<PointBidAskEntry>gt;
};本文地址：http://www.45fan.com/dnjc/70872.html