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); }