[galib] Problem with visual C++ Linker

[cos-mos@maildozy.com]

I am trying to use the math function erf. I am able  to compile using Visual C++ 
6.0  but I get the following error.

ex1.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall 
GA2DBinaryStringGenome::~GA2DBinaryStringGenome(void)" (??
1GA2DBinaryStringGenome@@UAE at XZ)

ex1.obj : error LNK2001: unresolved external symbol "public: virtual __thiscall 
GASimpleGA::~GASimpleGA(void)" (??1GASimpleGA@@UAE at XZ)

and much of the same error

I don't know what is a problem .  If anyone know Please tell me how to solve 
this problem. because I am doing a final topic in University

Thank you very much
toon
cos-mos at maildozy.com  or
toon2525 at hotmail.com 
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