public Double getUtilityIfAlreadyFound(int key[], int curdepth) {
if (viewedPos != null) {
AnalysedPosition alreadyAnalysedPos = viewedPos.search(key);
if (alreadyAnalysedPos != null && alreadyAnalysedPos.getDepth() >= curdepth) {
return new Double(alreadyAnalysedPos.getUtility());
}
}
return null;
}
// testing: make sure that the position didn't suddenly get on the list.
public void sanityTestPositionDidntDissapearOffTree(
AnalysedPosition alreadyAnalysedPos, int key[], boolean alreadyDidPos, int curdepth) {
// note: this should not happen within this function.
if (viewedPos != null) {
alreadyAnalysedPos = viewedPos.search(key);
if (alreadyAnalysedPos != null && alreadyDidPos == false) {
if (alreadyAnalysedPos.getDepth() >= curdepth) {
System.out.println("ERROR: Position should have been viewable earlier");
System.exit(1);
}
}
}
}