/// <summary>
/// Add outarray[i] + val
/// </summary>
public static void Add(Floatarray outarray, float val)
{
for (int i = 0; i < outarray.Length1d(); i++)
{
outarray.UnsafePut1d(i, outarray.UnsafeAt1d(i) + val);
}
}
/// <summary>
/// Normalize the 1-norm of the array.
/// </summary>
public static void Normalize1(Floatarray a)
{
double scale = 1.0 / Norm1(a);
for (int i = 0; i < a.Length1d(); i++)
{
a.UnsafePut1d(i, (float)(a.UnsafeAt1d(i) * scale));
}
}
public static Floatarray operator /(Floatarray array, double val)
{
Floatarray res = array;
for (int i = 0; i < array.Length1d(); i++)
{
res.UnsafePut1d(i, (float)(array.UnsafeAt1d(i) / val));
}
return(res);
}
public static Floatarray operator -(Floatarray array, float val)
{
Floatarray res = array;
for (int i = 0; i < array.Length1d(); i++)
{
res.UnsafePut1d(i, array.UnsafeAt1d(i) - val);
}
return(res);
}
public static void Shuffle <T>(Narray <T> values)
{
Floatarray temp = new Floatarray(values.Length());
Intarray index = new Intarray();
for (int i = 0; i < temp.Length(); i++)
{
temp.UnsafePut1d(i, DRandomizer.Default.drand());
}
Quicksort(index, temp);
Permute(values, index);
}
public static Floatarray operator -(Floatarray outarray1, Floatarray array2)
{
if (!SameDims(outarray1, array2))
{
throw new Exception("outarray1 and array2 must be same dims!");
}
Floatarray res = outarray1;
for (int i = 0; i < outarray1.Length1d(); i++)
{
res.UnsafePut1d(i, outarray1.UnsafeAt1d(i) - array2.UnsafeAt1d(i));
}
return(res);
}