prodnr.cpp:12: `double exp[10000]' redeclared as different kind of symbol /usr/include/bits/mathcalls.h:101: previous declaration of `double exp(double)' prodnr.cpp: In function `int main()': prodnr.cpp:56: use of `exp' is ambiguous prodnr.cpp:12: first declared as `double exp[10000]' here /usr/include/c++/3.2.2/cmath:229: also declared as `std::exp' here prodnr.cpp:65: use of `exp' is ambiguous prodnr.cpp:12: first declared as `double exp[10000]' here /usr/include/c++/3.2.2/cmath:229: also declared as `std::exp' here prodnr.cpp:65: use of `exp' is ambiguous prodnr.cpp:12: first declared as `double exp[10000]' here /usr/include/c++/3.2.2/cmath:229: also declared as `std::exp' here