How to add Imagick or Gmagick Library to CodeIgniter?

I am a newbie in CodeIgniter. And would like to know how am I suppose to add Imagick/Gmagick ilbrar开发者_运维技巧y to codeigniter, so that I can use it in my codes?

Thanks in advance.

---

This article explains it nicely (EDIT: another article on it).

According to the guide, you can place the library you want included under application/libraries. Whenever you want to load this library in a controller, you use

$this->load->library('class name');