public static MetaNum Min(this IList <MetaNum> self)
{
if (self.Count == 0)
{
return(TypeTrait <MetaNum> .GetNaNOrRaiseException("No elements"));
}
var i = 0;
while (TypeTrait <MetaNum> .IsNaN(self[0]) && i < self.Count - 1)
{
++i;
}
MetaNum min = self[i];
for (++i; i < self.Count; ++i)
{
if (self[i] < min)
{
min = self[i];
}
}
return(min);
}
public static MetaNum Mode(this IList <MetaNum> self, bool skipNaN = true)
{
if (self.Count == 0)
{
return(TypeTrait <MetaNum> .GetNaNOrRaiseException("No elements"));
}
var values = self.ToArray();
Array.Sort(values);
MetaNum currentValue = values[0];
MetaNum bestValue = currentValue;
var currentCount = 1;
var bestCount = 1;
int i = 1;
if (skipNaN)
{
// After sort, NaNs should be collected to the first location of the sequence.
while (TypeTrait <MetaNum> .IsNaN(values[i]))
{
++i;
}
}
for (; i < values.Length; ++i)
{
if (currentValue == values[i])
{
currentCount += 1;
}
else
{
currentValue = values[i];
currentCount = 1;
}
if (currentCount > bestCount)
{
bestCount = currentCount;
bestValue = currentValue;
}
}
return(bestValue);
}
