bool operator==( Relation& relationA, Relation& relationB ) {
// Check to see if name is the same
if ( relationA.getName( ) != relationB.getName( ) ) {
return false;
}
// Check for the same attributes
if ( relationA.getAttributes( ) != relationB.getAttributes( ) ) {
return false;
}
// Check for the same keys
if ( relationA.getKeys( ) != relationB.getKeys( ) ) {
return false;
}
// Check for number of rows
if ( relationA.getNumTuples( ) != relationB.getNumTuples( ) ) {
return false;
}
// Make sure each row exists in both relations
for ( unsigned i = 0; i < relationB.getNumTuples( ); ++i ) {
if ( !relationA.hasTuple( relationB.getRow( i ) ) ) {
return false;
}
}
return true;
}
ExampleSet::ExampleSet(const Relation &relation)
{
size = relation.getNInstances(), inVars = 0, outVars = 0;
// Calcula a quantidade de variáveis de entrada e saída que existirão
for (const Attribute* attr : relation.getAttributes())
{
uint inc = attr->isNumeric() ? 1 : attr->getNominalCard();
if (attr->isLast())
outVars += inc;
else
inVars += inc;
}
set(size, inVars, outVars);
}