View Compilation Error

0_0_18084850_15019.cpp: In function 'int getline(circle, circle)':
0_0_18084850_15019.cpp:84:25: error: 'struct circle' has no member named 'y'
     double base=atan2(B.y-A.y,B.x-A.x);
                         ^
0_0_18084850_15019.cpp:84:29: error: 'struct circle' has no member named 'y'
     double base=atan2(B.y-A.y,B.x-A.x);
                             ^
0_0_18084850_15019.cpp:84:33: error: 'struct circle' has no member named 'x'
     double base=atan2(B.y-A.y,B.x-A.x);
                                 ^
0_0_18084850_15019.cpp:84:37: error: 'struct circle' has no member named 'x'
     double base=atan2(B.y-A.y,B.x-A.x);
                                     ^