Eroare de compilare in evaluator: user.cpp:3: error: 'long int y1' redeclared as different kind of symbol /usr/include/bits/mathcalls.h:242: error: previous declaration of 'double y1(double)' user.cpp: In function 'int main()': user.cpp:22: error: assignment of function 'double y1(double)' user.cpp:22: error: cannot convert 'long int' to 'double ()(double)throw ()' in assignment user.cpp:25: error: invalid operands of types 'long int' and 'double ()(double)throw ()' to binary 'operator*' user.cpp:30: error: 'abs' was not declared in this scope