Borderou de evaluare (job #435619)

Eroare de compilare: user.cpp:11:48: error: ‘int jn’ redeclared as different kind of symbol /usr/include/i386-linux-gnu/bits/mathcalls.h:241:1: error: previous declaration of ‘double jn(int, double)’ user.cpp: In function ‘int main()’: user.cpp:36:15: error: assignment of function ‘double jn(int, double)’ user.cpp:36:15: error: cannot convert ‘int’ to ‘double(int, double)throw ()’ in assignment user.cpp:36:21: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] user.cpp:36:25: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(int, double)throw ()’ [-fpermissive] user.cpp:36:25: error: lvalue required as increment operand user.cpp:39:37: error: invalid conversion from ‘double (*)(int, double)throw ()’ to ‘int’ [-fpermissive] user.cpp:12:5: error: initializing argument 3 of ‘int check(int, int, int, int)’ [-fpermissive] user.cpp:44:20: error: invalid conversion from ‘double (*)(int, double)throw ()’ to ‘int’ [-fpermissive]