View Compilation Error

0_0_22638332_27395.cpp: In function 'int main()':
0_0_22638332_27395.cpp:99:38: error: cannot convert 'Vector {aka Point}' to 'double' in initialization
         double dd=PTL(cc.c,b,b+v)-cc.c);
                                      ^
0_0_22638332_27395.cpp:99:39: error: expected ',' or ';' before ')' token
         double dd=PTL(cc.c,b,b+v)-cc.c);
                                       ^