Eroare de compilare: main.cpp:6:34: error: 'long double yn' redeclared as different kind of symbol double long x,y,a,b,m,an,bn,cn,z,yn,xn; ^~ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:1: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:252:1: note: previous declaration 'double yn(int, double)' __MATHCALL (yn,, (int, _Mdouble_)); ^ Non zero exit status: 1