Max< TSource >() [5/12]

static ? double System.Linq.Enumerable.Max< TSource > ( this IEnumerable< TSource > source, Func< TSource, double?> selector )

inlinestatic

Definition at line 6153 of file Enumerable.cs.

    {
        if (source == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.source);
        }
        if (selector == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.selector);
        }
        double? result = null;
        using IEnumerator<TSource> enumerator = source.GetEnumerator();
        while (enumerator.MoveNext())
        {
            result = selector(enumerator.Current);
            if (!result.HasValue)
            {
                continue;
            }
            double num = result.GetValueOrDefault();
            while (double.IsNaN(num))
            {
                if (!enumerator.MoveNext())
                {
                    return result;
                }
                double? num2 = selector(enumerator.Current);
                if (num2.HasValue)
                {
                    double? num3 = (result = num2);
                    num = num3.GetValueOrDefault();
                }
            }
            while (enumerator.MoveNext())
            {
                double? num4 = selector(enumerator.Current);
                double valueOrDefault = num4.GetValueOrDefault();
                if (num4.HasValue && valueOrDefault > num)
                {
                    num = valueOrDefault;
                    result = num4;
                }
            }
            return result;
        }
        return result;
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.GetEnumerator(), System.Linq.selector, System.Linq.source, and System.Linq.ThrowHelper.ThrowArgumentNullException().