http://xyst.i2p/DEBUG/cppcheck/162.html
Test tk::Data's operator- template <> template <> void Data_object :: test < 21 > () { set_test_name ( "operator-" ); tk :: Data < tk :: UnkEqComp > p1 ( 3 , 2 ), p2 ( 3 , 2 ); tk :: Data < tk :: EqCompUnk > e1 ( 3 , 2 ), e2 ( 3 , 2 ); p1 . fill ( 0.1 ); p2 . fill ( 0.3 ); e1 . fill ( 0.3 ); e2 . fill ( 0.1 ); auto p = p1 - p2 ; auto e = e1 - e2 ; using unittest :: veceq ; // Test all template specializations veceq ( "<UnkEqComp>::operator-() at 0,0 incorrect" , std :: vector < tk :: real...