private void CheckLinearAndNumeric()
{
if (mode != ToleranceMode.Linear)
{
throw new InvalidOperationException(mode == ToleranceMode.None ? "Tolerance amount must be specified before setting mode" : "Tried to use multiple tolerance modes at the same time");
}
if (!Numerics.IsNumericType(amount))
{
throw new InvalidOperationException("A numeric tolerance is required");
}
}
public virtual bool Equals(T x, T y)
{
Type type = typeof(T);
if ((object)x == (object)y)
{
return(true);
}
if (!type.IsValueType() || type.IsGenericType() && type.GetGenericTypeDefinition().IsAssignableFrom(NullableType))
{
if (Equals(x, (object)default(T)))
{
return(Equals(y, (object)default(T)));
}
if (Equals(y, (object)default(T)))
{
return(false);
}
}
if (Numerics.IsNumericType(x) && Numerics.IsNumericType(y))
{
Tolerance empty = Tolerance.Empty;
return(Numerics.AreEqual(x, y, ref empty));
}
IEquatable <T> equatable = (object)x as IEquatable <T>;
if (equatable != null)
{
return(equatable.Equals(y));
}
IComparable <T> comparable1 = (object)x as IComparable <T>;
if (comparable1 != null)
{
return(comparable1.CompareTo(y) == 0);
}
IComparable comparable2 = (object)x as IComparable;
if (comparable2 != null)
{
try
{
return(comparable2.CompareTo(y) == 0);
}
catch (ArgumentException ex)
{
}
}
IEnumerable enumerable1 = (object)x as IEnumerable;
IEnumerable enumerable2 = (object)y as IEnumerable;
if (enumerable1 == null || enumerable2 == null)
{
return(Equals(x, (object)y));
}
IEnumerator enumerator1 = enumerable1.GetEnumerator();
IEnumerator enumerator2 = enumerable2.GetEnumerator();
IEqualityComparer equalityComparer = _innerComparerFactory();
bool flag1;
bool flag2;
do
{
flag1 = enumerator1.MoveNext();
flag2 = enumerator2.MoveNext();
if (!flag1 || !flag2)
{
goto label_18;
}
}while (equalityComparer.Equals(enumerator1.Current, enumerator2.Current));
goto label_20;
label_18:
return(flag1 == flag2);
label_20:
return(false);
}