View Compilation Error

0_0_9016170_6424.cpp: In function `int CG::dett(const T1&, const T2&) [with T1 = CG::Line, T2 = CG::Line]':
0_0_9016170_6424.cpp:702:   instantiated from here
0_0_9016170_6424.cpp:666: error: no matching function for call to `det(const CG::Line&, const CG::Line&)'
0_0_9016170_6424.cpp:663: note: candidates are: DB CG::det(const DB&, const DB&, const DB&, const DB&)
0_0_9016170_6424.cpp:664: note:                 DB CG::det(const CG::Po&, const CG::Po&)
0_0_9016170_6424.cpp:665: note:                 DB CG::det(const CG::Po&, const CG::Po&, const CG::Po&)