View Compilation Error

0_0_22905089_6049.cpp: In function 'int main()':
0_0_22905089_6049.cpp:105:7: error: 'ox' was not declared in this scope
    AA=ox-px;  
       ^
0_0_22905089_6049.cpp:105:10: error: 'px' was not declared in this scope
    AA=ox-px;  
          ^
0_0_22905089_6049.cpp:106:16: error: 'oy' was not declared in this scope
             BB=oy-py;  
                ^
0_0_22905089_6049.cpp:106:19: error: 'py' was not declared in this scope
             BB=oy-py;  
                   ^
0_0_22905089_6049.cpp:108:13: error: 'cx' was not declared in this scope
             cx=bx-2.0*AA*(AA*b.x+BB*b.y+CC)/(AA*AA+BB*BB);  
             ^
0_0_22905089_6049.cpp:108:16: error: 'bx' was not declared in this scope
             cx=bx-2.0*AA*(AA*b.x+BB*b.y+CC)/(AA*AA+BB*BB);  
                ^
0_0_22905089_6049.cpp:109:13: error: 'cy' was not declared in this scope
             cy=by-2.0*BB*(AA*b.x+BB*b.y+CC)/(AA*AA+BB*BB); 
             ^
0_0_22905089_6049.cpp:109:16: error: 'by' was not declared in this scope
             cy=by-2.0*BB*(AA*b.x+BB*b.y+CC)/(AA*AA+BB*BB); 
                ^