1d8c6b5226bd4c78a">const</a> <a class="el" href="classnc_1_1coordinates_1_1_cartesian.html">Cartesian</a> &amp;<a class="el" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">vec1</a>, <a class="el" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">const</a> <a class="el" href="classnc_1_1coordinates_1_1_cartesian.html">Cartesian</a> &amp;<a class="el" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">vec2</a>) <a class="el" href="namespacenc.html#a8e78c416b2386411d8c6b5226bd4c78a">n