@Override
public double getDouble(int i) {
int j = index.getInt(i);
assert Utils.check(j > 0);
if (j > vsize) {
return RDouble.NA;
} else {
return value.getDouble(j - 1);
}
}
@Override
public boolean dependsOn(RAny v) {
return value.dependsOn(v) || index.dependsOn(v);
}
@Override
public void ref() {
value.ref();
index.ref();
}
@Override
public boolean isSharedReal() {
return value.isShared() || index.isShared();
}
public RDoubleSubset(RDouble value, RInt index) {
this.value = value;
this.index = index;
this.isize = index.size();
this.vsize = value.size();
}