* arts-2-2-4

* src/m_zeeman.cc:  Fixed bug that made zero-magnetic field runs crash
when there is no line mixing.


git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8900 aaf1aab0-4228-0410-ad68-8dceda47f409
* arts-2-2-5

* src/matpackI.cc (vector_angle):

Due to numerical inaccuracy, the argument to acos might end up being
slightly larger than 1 and thus acos returns nan. Those cases are now
caught and 0 is returned.

git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8902 aaf1aab0-4228-0410-ad68-8dceda47f409
	* arts-2-2-6

	* src/montecarlo.cc (opt_propCalc): Check whether atm temperature is in
	valid particle property temperature range.

	* controlfiles/instruments/smr/ici_fast.arts: Give full path to f_grid
	and sensor_response files. 



git-svn-id: https://www.sat.ltu.se/svn/rt/arts/trunk@8903 aaf1aab0-4228-0410-ad68-8dceda47f409