http://xyst.i2p/DEBUG/cppcheck/175.html
Test vector length template <> template <> void Vector_object :: test < 5 > () { set_test_name ( "length" ); std :: array < tk :: real , 3 > v1 {{ -1.0 , 3.0 , 3.0 }}, v2 {{ 0.0 , 4.0 , 0.0 }}; tk :: real correct_result_1 = 4.358898943540674 ; tk :: real correct_result_2 = 4.0 ; const auto result_1 = tk :: length ( v1 ); const auto result_2 = tk :: length ( v2 ); ensure_equals ( "length incorrect" , result_1 , correct_result_1 , precision ); ensure_equals ( "length...