// Returns (i, j) that, i is the first element that the action doesn't stablize.
// j is what it maps to at i. Obviously j > i. Note: returning (-1, -1) means the
// action stablizes all
public Tuple <int, int> GetActionPair(CubeAction action)
{
int pair_i = -1;
int pair_j = -1;
var actionMap = action.GetAccelerationMap();
for (int idxInStablizerOrder = 0; idxInStablizerOrder < StablizingOrder.Count; idxInStablizerOrder++)
{
int idxInActionMap = StablizingOrder[idxInStablizerOrder];
if (actionMap.ColorMap[idxInActionMap] == idxInActionMap)
{
continue;
}
pair_i = idxInStablizerOrder;
int pair_j_inActionMap = actionMap.ColorMap[idxInActionMap];
pair_j = IdxInStablizingOrder(pair_j_inActionMap);
Utils.DebugAssert(pair_j > pair_i);
break;
}
return(new Tuple <int, int>(pair_i, pair_j));
}
