View Compilation Error

0_0_34699284_10425.cpp:41:1: error: 'ox' does not name a type
 ox-y,,p[0]p[1],,
 ^
0_0_34699284_10425.cpp: In function 'void add(point, point)':
0_0_34699284_10425.cpp:87:55: error: 'xianduan_jiao_yuan' was not declared in this scope
      int t = xianduan_jiao_yuan(point(0,0),r,a,b,o1,o2);
                                                       ^