* arts-2-1-475

	* src/m_cia.cc (abs_xsec_per_speciesAddCIA): Throw runtime error
	if VMR of second species in CIA collision pair does not
	exist. (Instead of simply crashing.)



git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8153 aaf1aab0-4228-0410-ad68-8dceda47f409
* arts-2-1-476

* src/logic.{cc,h} (is_lon_cylic):

New function to check for a cyclic longitude grid.

* src/interpolation_poly.cc: Use new is_lon_cyclic.

* src/m_atmosphere.cc (GriddedFieldLatLonRegrid):

Check that data values at 0 and 360 degrees agree in cyclic lon
grids.

git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8154 aaf1aab0-4228-0410-ad68-8dceda47f409