void Test::quickdatabase()
{
DataBase db;
QVERIFY(db.load());
QuickDatabase iv(&db);
// Quick check a int overflow case
iv.has(479906, 252);
User user(&db, 6);
for (int i = 0; i < db.totalUsers(); i += db.totalUsers() / 10) {
int userNumber = db.mapUser(user.id());
for (int j = 0; j < db.totalMovies(); ++j) {
int m = user.seenMovie(j);
QVERIFY(iv.has(userNumber, j) == (m != -1));
}
user.next();
}
}
void SvdOrder :: setUser(int user)
{
currentUser = currDb->mapUser(user);
}
/**
* Loop through the entire list of finished features
*/
double SvdOrder::determine(int user)
{
int movieIndex = currentMovie - 1;
int userIndex = currDb->mapUser(user);
return currDb->getAverageRating() + predictRating(movieIndex, userIndex);
}
