Wei Qin <wqin@xxxxxxxxxxxxxxxx> writes:
> Hi,
> I used some manipulators in the form of
>
> #include <iostream>
> #include <ios>
Try:
#include <iomanip>
instead. (Note: I don't have 2.96 availible to test.)
>
> int main () {
>
> std::cout << std::showbase << std::hex << 100 << std::endl;
> }
>
> This compiles fine with g++ 3.x. However, it fails on g++ 2.96
> since it cannot find ios. When I remove ios, it cannot find showbase. Then
> I change std::showbase to std::ios::showbase, but this showbase is not a
> manipulator any more. As a result the program outputs 8064 instead of
> 0x64.
> So my question is: Is there any good coding practice to make sure
> that the same code compiles for both and works as intended? Thanks.
Compile every change with both compilers.
