Eroare de compilare: user.cpp:11:16: error: ‘long double y0’ redeclared as different kind of symbol long double x0,y0; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iostream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:242:1: error: previous declaration of ‘double y0(double)’ __MATHCALL (y0,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:51:11: error: assignment of function ‘double y0(double)’ y0=(long double) w2; ^ user.cpp:51:11: error: cannot convert ‘long double’ to ‘double(double)throw ()’ in assignment user.cpp:55:38: error: cannot convert ‘double (*)(double)throw ()’ to ‘long double’ for argument ‘2’ to ‘long double dist(long double, long double, pct)’ if( modul(dist(x0,y0,C[i])) <= (long double) C[i].d ) ^