Yorick routines defined in file hex.i

_	+++	hex24b_track		hydra_adj	P	+++
	_ray_integ	hex24f_track		hydra_blks		pic3_rays
	_ray_reduce	hex5_track		hydra_bnd	R	+++
C	+++	hex_mesh		hydra_mesh		reg_track
	c_adjust	hex_mesh2		hydra_mrk	T	+++
	conv3_rays	hex_query		hydra_start		track_integ
	cs_adjust	hex_startflag	M	+++		track_reduce
H	+++	hex_triang		make_sphere		track_solve