public static bool contains_only <T, U, V>(Narray <T> a, U value1, V value2)
{
for (int i = 0; i < a.Length1d(); i++)
{
if (!a.At1d(i).Equals(value1) && !a.At1d(i).Equals(value2))
{
return(false);
}
}
return(true);
}
public static double Sum <T>(Narray <T> data)
{
double result = 0.0;
int n = data.Length1d();
for (int i = 0; i < n; i++)
{
result += Convert.ToDouble(data.At1d(i));
}
return(result);
}
public static float Median(Narray <int> a)
{
Narray <int> s = new Narray <int>();
s.Copy(a);
s.Reshape(s.Length1d());
Quicksort(s);
int n = s.Length();
if (n == 0)
{
return(0);
}
if ((n % 2) > 0)
{
return(s[n / 2]);
}
else
{
return((s[n / 2 - 1] + s[n / 2]) / 2.0f);
}
}