bool operator()(const VariableSet & m,const VariableSet & n) const {
bool result = false;
int msz = m.size();
int nsz = n.size();
if(msz!=nsz) {
result = msz< nsz;
} else if(msz>0) {
result = false; // perhaps they are equal
Variable v1,v2;
bool b1 = m.firstVariable(v1);
bool b2 = n.firstVariable(v2);
if(v1==v2) {
while(b1&&b2) {
b1 = m.nextVariable(v1);
b2 = n.nextVariable(v2);
if(b1) {
if(v1!=v2) {
result = operator()(v1,v2);
};
} else break;
};
} else {
result = operator()(v1,v2);
};
if(b1!=b2) errorh(__LINE__);
};
return result;
};
void TeXDisplay::printTeXVariableSet(const VariableSet & x) {
d_sink.put(" $\\{$ ");
Variable var;
bool b = x.firstVariable(var);
if(b) {
d_sink.put(var);
b = x.nextVariable(var);
while(b) {
d_sink.put(',');
d_sink.put(var);
b = x.nextVariable(var);
};
};
d_sink.put(" $\\}$ ");
};
void AdmWithLevels::sortIntoKnownsAndUnknowns(const VariableSet & x,
VariableSet & knowns,VariableSet & unknowns) const {
knowns.clear();
unknowns.clear();
Variable v;
bool b = x.firstVariable(v);
while(b) {
if(d_knowns.present(v)) {
knowns.insert(v);
} else {
unknowns.insert(v);
};
b = x.nextVariable(v);
};
};
