On 2005-07-12 23:42:23 +0200, Erik Trulsson wrote: > Pointer subtraction is only well defined if both pointers point to > elements in the same array (or one past the end of the array).
I don't know what you mean by "well defined", but even in this case, the behavior can be undefined. So, replacing a < b by a - b < 0 is not guaranteed to work with every implementation, just like with integers. -- Vincent Lefèvre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/> 100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/> Work: CR INRIA - computer arithmetic / SPACES project at LORIA
