View Compilation Error

0_0_32439979_30370.cpp: In function 'int main()':
0_0_32439979_30370.cpp:14:5: error: 'mpoint' was not declared in this scope
     mpoint *points;
     ^
0_0_32439979_30370.cpp:14:13: error: 'points' was not declared in this scope
     mpoint *points;
             ^
0_0_32439979_30370.cpp:17:18: error: 'mpoint' does not name a type
     points = new mpoint[size];
                  ^
0_0_32439979_30370.cpp:25:51: error: 'get_miny_point_id' was not declared in this scope
     miny_point_id = get_miny_point_id(points, size);
                                                   ^
0_0_32439979_30370.cpp:26:48: error: 'get_cos1' was not declared in this scope
     get_cos1(points, mcos1, miny_point_id, size);
                                                ^
0_0_32439979_30370.cpp:27:36: error: 'sort_points' was not declared in this scope
     sort_points(points, mcos1, size);
                                    ^
0_0_32439979_30370.cpp:28:30: error: 'get_outpoint' was not declared in this scope
     get_outpoint(points, size);
                              ^