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#ifndef __2GEOM_ORD__
#define __2GEOM_ORD__
namespace {
enum Cmp {
LESS_THAN=-1,
GREATER_THAN=1,
EQUAL_TO=0
};
inline Cmp operator-(Cmp x) {
switch(x) {
case LESS_THAN:
return GREATER_THAN;
case GREATER_THAN:
return LESS_THAN;
case EQUAL_TO:
return EQUAL_TO;
}
}
template <typename T1, typename T2>
inline Cmp cmp(T1 const &a, T2 const &b) {
if ( a < b ) {
return LESS_THAN;
} else if ( b < a ) {
return GREATER_THAN;
} else {
return EQUAL_TO;
}
}
}
#endif
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