/// <inheritdoc cref="SumSatisfies(IEnumerable{uint}, ComparisonKinds, uint)"/>
public static bool SumSatisfies(this IEnumerable <ulong> values, ComparisonKinds comparisonKinds, ulong target)
{
if (comparisonKinds is ComparisonKinds.All)
{
return(true);
}
if (comparisonKinds is ComparisonKinds.Equal or ComparisonKinds.Different)
{
return(comparisonKinds.Matches(values.Sum().GetComparisonResult(target)));
}
ulong sum = 0;
bool initialPredicateValidity = sum.SatisfiesComparison(target, comparisonKinds);
foreach (ulong value in values)
{
sum += value;
bool currentPredicateValidity = sum.SatisfiesComparison(target, comparisonKinds);
if (currentPredicateValidity != initialPredicateValidity)
{
return(currentPredicateValidity);
}
}
return(initialPredicateValidity);
}
private static bool SatisfiesComparison(int comparison, ComparisonKinds kinds)
{
return(kinds switch
{
ComparisonKinds.Less => comparison < 0,
ComparisonKinds.Equal => comparison == 0,
ComparisonKinds.Greater => comparison > 0,
ComparisonKinds.Different => comparison != 0,
ComparisonKinds.LessOrEqual => comparison <= 0,
ComparisonKinds.GreaterOrEqual => comparison >= 0,
ComparisonKinds.All => true,
_ => false,
});
/// <summary>Determines whether the comparison of <paramref name="value"/> and <paramref name="other"/> satisfies the given comparison.</summary>
/// <param name="value">The provided value to compare.</param>
/// <param name="other">The other value to compare.</param>
/// <param name="kinds">The comparison kinds.</param>
/// <returns><see langword="true"/> if the comparison of <paramref name="value"/> with <paramref name="other"/> is satsified, otherwise <see langword="false"/>.</returns>
public static bool SatisfiesComparison(this IComparable value, object other, ComparisonKinds kinds)
{
return(SatisfiesComparison(value.CompareTo(other), kinds));
}
/// <summary>Determines whether the comparison of <paramref name="value"/> and <paramref name="other"/> satisfies the given comparison.</summary>
/// <typeparam name="T">The type of the value that <paramref name="value"/> can be compared with.</typeparam>
/// <param name="value">The provided value to compare.</param>
/// <param name="other">The other value to compare.</param>
/// <param name="kinds">The comparison kinds.</param>
/// <returns><see langword="true"/> if the comparison of <paramref name="value"/> with <paramref name="other"/> is satsified, otherwise <see langword="false"/>.</returns>
public static bool SatisfiesComparison <T>(this IComparable <T> value, T other, ComparisonKinds kinds)
{
return(SatisfiesComparison(value.CompareTo(other), kinds));
}
