your probably overstepping the bounds of an array somewhere. Other than that its hard to say without seeing code. we are not psychics.

ok might be a bug. somethings trampling on your vector. Set a watch on the vectors first few elements and single step thru your code in a debugger. watch for the point where the trampling occurs and...

lol there is no bug dave. its a feature!

read this all should become clearer (http://www.informit.com/guides/content.asp?g=cplusplus&seqNum=205&rl=1)

i'll remind you of the func I was commenting on...

template<class T>
swapm(T &a,T &b)
{
a = a + b;
b = a - b;
a = a - b;
};

no it doesnt work you disregard any overflow errors. That to me makes it superflawed!

That was aimed at ancient dragon on his template swop two numbers function.The perils of replying before...