public static void Uniform(ref float[] data, float a, IProvideRandomValues random)
{
float a2 = 2 * a;
float an = -a;
random.NextFloats(data);
SIMD.Multiply(ref data, a2);
SIMD.Add(ref data, an);
}
public static float CosineForNormalizedVectors(float[] lhs, float[] rhs)
{
return(1 - SIMD.DotProduct(ref lhs, ref rhs));
}
public static float Euclidean(float[] lhs, float[] rhs)
{
return((float)Math.Sqrt(SIMD.Euclidean(ref lhs, ref rhs))); // TODO: Replace with netcore3 MathF class when the framework is available
}
public static float Cosine(float[] lhs, float[] rhs)
{
return(1 - (SIMD.DotProduct(ref lhs, ref rhs) / (SIMD.Magnitude(ref lhs) * SIMD.Magnitude(ref rhs))));
}