public static void RowGet <T, S>(Narray <T> outv, Narray <S> data, int row)
{
outv.Resize(data.Dim(1));
for (int i = 0; i < outv.Length(); i++)
{
outv[i] = (T)Convert.ChangeType(data[row, i], typeof(T));
}
}
public static void RowCopy <T>(Narray <T> a, Narray <T> b, int i)
{
a.Resize(b.Dim(1));
for (int k = 0; k < b.Dim(1); k++)
{
a[k] = b[i, k];
}
}
/// <summary>
/// Quicksort an array, generating a permutation of the indexes.
/// </summary>
public static void Quicksort <T>(Narray <int> outindex, Narray <T> values)
{
outindex.Resize(values.Length());
for (int i = 0; i < values.Length(); i++)
{
outindex[i] = i;
}
Quicksort(outindex, values, 0, outindex.Length());
}
/// <summary>
/// Make the first array have the same dimensions as the second array.
/// </summary>
public Narray <T> MakeLike <S>(Narray <S> b)
{
if (SameDims(b))
{
return(this);
}
Narray <T> a = this;
int r = b.Rank();
switch (r)
{
case 0:
a.Dealloc();
break;
case 1:
a.Resize(b.Dim(0));
break;
case 2:
a.Resize(b.Dim(0), b.Dim(1));
break;
case 3:
a.Resize(b.Dim(0), b.Dim(1), b.Dim(2));
break;
case 4:
a.Resize(b.Dim(0), b.Dim(1), b.Dim(2), b.Dim(3));
break;
default:
throw new Exception("bad rank");
}
return(this);
}
public void Resize(int n)
{
data.Dealloc();
data.Resize(n);
}