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Do not try to call dual stats on empty pop, print "?" instead

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Johann Dreo 2013-06-13 16:25:00 +02:00
commit eef624e3f6
1 changed files with 15 additions and 4 deletions
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19
eo/src/eoDualFitness.h
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@ -469,11 +469,22 @@ public:
// create two separated pop in this operator
_pop_split( pop );
_stat_feasible( _pop_split.feasible() );
_stat_unfeasible( _pop_split.unfeasible() );
std::ostringstream out;
out << _stat_feasible.value() << _sep << _stat_unfeasible.value();
// do not call stat if the pop is empty
// and it can be, because of the split
if( _pop_split.feasible().size() > 0 ) {
_stat_feasible( _pop_split.feasible() );
out << _stat_feasible.value();
} else {
out << "?";
}
out << _sep;
if( _pop_split.unfeasible().size() > 0 ) {
_stat_unfeasible( _pop_split.unfeasible() );
out << _stat_unfeasible.value();
} else {
out << "?";
}
value() = out.str();
}