Eroare de compilare: user.cpp:48:13: error: reference to ‘function’ is ambiguous double dist(function a,function b,double momentum) ^ user.cpp:31:8: note: candidates are: struct function struct function ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algo.h:66:0, from /usr/local/include/c++/4.8.0/algorithm:62, from user.cpp:1: /usr/local/include/c++/4.8.0/functional:1866:11: note: template<class _Signature> class std::function class function; ^ user.cpp:48:24: error: reference to ‘function’ is ambiguous double dist(function a,function b,double momentum) ^ user.cpp:31:8: note: candidates are: struct function struct function ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algo.h:66:0, from /usr/local/include/c++/4.8.0/algorithm:62, from user.cpp:1: /usr/local/include/c++/4.8.0/functional:1866:11: note: template<class _Signature> class std::function class function; ^ user.cpp:48:35: error: expected primary-expression before ‘double’ double dist(function a,function b,double momentum) ^ user.cpp:48:50: error: expression list treated as compound expression in initializer [-fpermissive] double dist(function a,function b,double momentum) ^ user.cpp:49:1: error: expected ‘,’ or ‘;’ before ‘{’ token { ^ user.cpp:72:11: error: reference to ‘function’ is ambiguous double i2(function f1,function f2,double v) ^ user.cpp:31:8: note: candidates are: struct function struct function ^ In file included from /usr/local/include/c++/4.8.0/bits/stl_algo.h:66:0, from /usr/local/include/c++/4.8.0/algorithm:62, from user.cpp:1: /usr/local/include/c++/4.8.0/functional:1866:11: note: template<class _Signature> class std::function class function; ^ user.cpp:72:23: error: reference to ‘function’ is ambiguous double i2(function f1,function f2,double v) ^ user.cpp:31:8: note: candidates are: struct function struct function