valarray problem in Visual Studio

(Apr 16, 2007)

I tried to use valarray in Visual Studio and got some compile errors and warnings:
"warning C4003: not enough actual parameters for macro 'min'
warning C4003: not enough actual parameters for macro 'max'

error C2059: syntax error : ')'
c:\Program Files (x86)\Microsoft Visual Studio .NET 2003\Vc7\include\valarray(427) : see reference to class template instantiation 'std::valarray<_ty>' being compiled

error C2334: unexpected token(s) preceding ':'; skipping apparent function body
...
"

These problem will occur only when we try to use statically linked MFC library. In http://www.codeguru.com/forum/archive/index.php/t-342787.html, Paul suggested that we need to make sure that valarray is included before afx stuff. This is because MS implements min and max macro and defines them in afx pre-compile header file. Any class that has min and max will have this problem.

However, if I switch the order, it seems that all declaration of valarray will be removed and I just got other compiler errors. It seems that the solution from Paul could not work for my situation.

After trying for a while, I finally decided to rename valarray.h to valarray_mod.h and change the function names from min and max to minimum and maximum instead.