/// <summary>Create a polarity from a list of operators in scope</summary>
protected internal Polarity(IList <Pair <Monotonicity, MonotonicityType> > operatorsInNarrowingScopeOrder)
{
if (operatorsInNarrowingScopeOrder.IsEmpty())
{
for (byte i = 0; ((sbyte)i) < projectionFunction.Length; ++i)
{
projectionFunction[i] = i;
}
}
else
{
for (int rel = 0; rel < 7; ++rel)
{
NaturalLogicRelation relation = NaturalLogicRelation.ByFixedIndex(rel);
for (int op = operatorsInNarrowingScopeOrder.Count - 1; op >= 0; --op)
{
relation = Project(relation, operatorsInNarrowingScopeOrder[op].first, operatorsInNarrowingScopeOrder[op].second);
}
projectionFunction[rel] = unchecked ((byte)relation.fixedIndex);
}
}
}
/// <summary>Project the given natural logic lexical relation on this word.</summary>
/// <remarks>
/// Project the given natural logic lexical relation on this word. So, for example, if we want to go up the
/// Hypernymy hierarchy (
/// <see cref="NaturalLogicRelation.ForwardEntailment"/>
/// ) on this word,
/// then this function will tell you what relation holds between the new mutated fact and this fact.
/// </remarks>
/// <param name="lexicalRelation">The lexical relation we are applying to this word.</param>
/// <returns>The relation between the mutated sentence and the original sentence.</returns>
public virtual NaturalLogicRelation ProjectLexicalRelation(NaturalLogicRelation lexicalRelation)
{
return(NaturalLogicRelation.ByFixedIndex(projectionFunction[lexicalRelation.fixedIndex]));
}
