public static Vec4 Normalize(Vec4 vector)
{
float ls = vector.X * vector.X + vector.Y * vector.Y + vector.Z * vector.Z + vector.W * vector.W;
float invNorm = 1.0f / (float)Math.Sqrt((double)ls);
return(new Vec4(
vector.X * invNorm,
vector.Y * invNorm,
vector.Z * invNorm,
vector.W * invNorm));
}
public float Length()
{
if (Vector.IsHardwareAccelerated)
{
float ls = Vec4.Dot(this, this);
return((float)System.Math.Sqrt(ls));
}
else
{
float ls = X * X + Y * Y + Z * Z + W * W;
return((float)Math.Sqrt((double)ls));
}
}