这个类只是作为信息储存的载体，并没有进行其它操作
t:type 类型
r:rstart reastart的次数
f:fail 失败的次数
ng: no good
a: asset 资源分成了几部份
?/* ??* Information from meta search engines ??*/ ?forceinline ?MetaInfo::MetaInfo(unsigned long int r0, ????????????????????unsigned long int s0, ????????????????????unsigned long int f0, ????????????????????const Space* l0, ????????????????????NoGoods& ng0) ???: t(RESTART), r(r0), s(s0), f(f0), l(l0), ng(ng0), a(0) {} ?forceinline ?MetaInfo::MetaInfo(unsigned int a0) ???: t(PORTFOLIO), r(0), s(0), f(0), l(NULL), ng(NoGoods::eng), a(a0) {} ?forceinline MetaInfo::Type ?MetaInfo::type(void) const { ???return t; ?} ?forceinline unsigned long int ?MetaInfo::restart(void) const { ???assert(type() == RESTART); ???return r; ?} ?forceinline unsigned long int ?MetaInfo::solution(void) const { ???assert(type() == RESTART); ???return s; ?} ?forceinline unsigned long int ?MetaInfo::fail(void) const { ???assert(type() == RESTART); ???return f; ?} ?forceinline const Space* ?MetaInfo::last(void) const { ???assert(type() == RESTART); ???return l; ?} ?forceinline const NoGoods& ?MetaInfo::nogoods(void) const { ???assert(type() == RESTART); ???return ng; ?} ?forceinline unsigned int ?MetaInfo::asset(void) const { ???assert(type() == PORTFOLIO); ???return a; ?}
gecode 中的metainfo
原文地址：http://www.cnblogs.com/crax/p/7466418.html