Borderou de evaluare (job #444009)

Eroare de compilare: user.cpp:6:26: error: ‘int y1’ redeclared as different kind of symbol /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ user.cpp: In function ‘void rotire(char)’: user.cpp:28:19: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] user.cpp:34:10: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] user.cpp:34:10: error: lvalue required as increment operand user.cpp:36:16: warning: the address of ‘double y1(double)’ will always evaluate as ‘true’ [-Waddress] user.cpp:42:10: error: ISO C++ forbids decrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] user.cpp:42:10: error: lvalue required as decrement operand user.cpp: In function ‘int main()’: user.cpp:57:11: error: assignment of function ‘double y1(double)’ user.cpp:57:11: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:62:20: error: invalid types ‘int [1001][double(double)throw ()]’ for array subscript