Re: How to use the qr decomposition correctly?

> Compiling this code gives an error from lapack:
>
> Error 1 error C2589: '(' : illegal token on right side of '::'
> d:\3rd\include\boost\numeric\bindings\lapack\ormqr.hpp 189
>
>  traits::detail::array<value_type> work( std::max(1,n_w*32) );
>
>
My guess is you're hitting the problem where MSVC's Windows include files
have a #define for max, so the compiler is treating the token 'max' as a
macro. One solution is to put parethenses around std::max:

(std::max)(1,n_w*32)

Pete