View Compilation Error

0_0_22628109_2663.cpp: In function 'int cross(point, point)':
0_0_22628109_2663.cpp:9:12: error: expected primary-expression before 'long'
 #define ll long long
            ^
0_0_22628109_2663.cpp:29:17: note: in expansion of macro 'll'
     return dcmp(ll(a.x) * ll(b.y) - ll(a.y) * ll(b.x)); 
                 ^
0_0_22628109_2663.cpp: In function 'double len(int, int)':
0_0_22628109_2663.cpp:9:12: error: expected primary-expression before 'long'
 #define ll long long
            ^
0_0_22628109_2663.cpp:37:17: note: in expansion of macro 'll'
     return sqrt(ll(p[j].x - p[i].x)*ll(p[j].x - p[i].x) 
                 ^