/// <summary>
/// manipulates the level set sign for level set no. <paramref name="LevSetIdx"/>
/// </summary>
public void SetSign(int LevSetIdx, LevelsetSign sign)
{
int oldSign = (int)GetSign(LevSetIdx) + 1;
int bs = 1;
for (int i = 0; i < LevSetIdx; i++)
{
bs *= 3;
}
int newSign = (int)sign + 1;
lsSig += (newSign - oldSign) * bs;
}
/// <summary>
/// true, if <paramref name="cd"/> is contained in this
/// </summary>
public bool IsContained(LevelSetSignCode cd, int NoOfSignificant_LevSets)
{
for (int i = 0; i < NoOfSignificant_LevSets; i++)
{
LevelsetSign ls_i = GetSign(i);
if (ls_i == LevelsetSign.Both)
{
continue;
}
LevelsetSign sg = cd.GetSign(i) ? LevelsetSign.Positive : LevelsetSign.Negative;
if (sg != ls_i)
{
return(false);
}
}
return(true);
}
