public static void Dot(ref Vec3 u, ref Vec3 v, out Real dot)
{
dot = u.X * v.X + u.Y * v.Y + u.Z * v.Z;
}
public static void Sub(ref Vec3 lhs, ref Vec3 rhs, out Vec3 result)
{
result.X = lhs.X - rhs.X;
result.Y = lhs.Y - rhs.Y;
result.Z = lhs.Z - rhs.Z;
}
public static void Neg(ref Vec3 v)
{
v.X = -v.X;
v.Y = -v.Y;
v.Z = -v.Z;
}
