hello Philip, Thanks for your reply. What I need is a template version of abs, not the int abs(int) function, to make use of it genericly. B/Rgds Max ----- Original Message ----- From: Philip Ogunbona To: boost-users@lists.boost.org Subject: [Boost-users] [STL] Is there a std::abs<>() function? (Max) Date: 2008-12-22 23:45:52 Max, Using STL does not prevent access to abs(), fabs() and labs(). You just need to #include . Is that what you want? Philip ------------------------------------------------------------------- 新浪空间——与朋友开心分享网络新生活！(http://space.sina.com.cn/ )