title spherical conservation and H-like emission for H, He
c
c commands controlling continuum =========
ionization -2
blackbody 40000
c
c commands for density & abundances =========
hden 5
init file "hheonly.ini"  
c
c commands controlling geometry  =========
radius 13
stop efrac 0.05 %stop when 5 percent ionized
sphere static
c
c other commands for details     =========
iterate
diffuse outward only
constant temper 7500
no level2
no induced processes (OK)
atom h-like element hydrogen levels resolved 10
c
c commands controlling output    =========
normalize to "Ca B" 4861 = 1 % normalize to exact result 
save performance "hhe_outsp.per"
save overview "hhe_outsp.ovr"  last
save monitors "hhe_outsp.asr"  last
save dr "hhe_outsp.dr"  last
c
c commands giving the monitors    =========
// >>chng 08 apr 19. incr error to default, nl atom less accurate
monitor line "totl" 4861 = 1. % should be within 1 percent of precise
//
// >>chng 04 apr 28, from 1 to 1.050, update He+ - H ct rate 
monitor line "Q(H)" 4861 = 1.050
//
// >>chng 07 oct 22, from 0.3512 to 0.3235, resolve l-levels of h-like sequence
// >>chng 11 nov 16, from 0.3235 to 0.3414, adjust newmole monitors
monitor line "H  1" 1.875m = 0.3414 %Paschen alpha
//
// >>chng 07 oct 22, from 0.1693 to 0.1623, resolve l-levels of h-like sequence
monitor line "H  1" 1.282m = 0.1623 %Paschen beta
// 
// for following really need larger atom for better accurary
// >>chng 07 oct 22, from 0.0835 to 0.0738, resolve l-levels of h-like sequence
// >>chng 08 apr 30, from 0.0738 to 0.0778 H, He topoff change
monitor line "H  1" 4.051m = 0.0778 %Bracket alpha
//
// >>chng 07 oct 22, from 0.0477 to 0.0440, resolve l-levels of h-like sequence
// >>chng 11 nov 16, from 0.044 to 0.0465, adjust newmole monitors
monitor line "H  1" 2.625m = 0.0465 %Bracket beta
monitor line "BaC " 3646 = 18.26 %Balmer continuum rel to h-beta
//
c helium lines
// >>chng 02 dec 11, from 0.983 to 0.903, move to new hei
// >>chng 03 may 22, from 0.903 to 0.950, Lya dest prob
monitor line "totl" 10830 0.950
//
// assert line "TOTL" 5 876  0.1040
// >>chng 03 feb 28, from 0.0953 to 0.1025, better hei coll
// >>chng 05 mar 12, from 0.103 to 0.0961, RP merge He-like code
// >>chng 05 oct 01, from 0.0961 to 0.0880, RP udate levels
// >>chng 05 dec 22, from 0.0880 to 0.0923, RP incr levels he
// >>chng 08 apr 30, from 0.0923 to 0.103 H, He topoff change
// >>chng 11 nov 16, from 0.103 to 0.1077, adjust newmole monitors
monitor line "He 1" 5876  0.1077
//
// >>chng 04 may 19, from 0.034 to 0.0362, RP update helike sequence
// >>chng 08 apr 30, from 0.0362 to 0.0345 H, He topoff change
monitor line "Ca B" 4471  0.0345
//
// >>chng 05 mar 12, from 0.0353 to 0.0336, RP merge He-like code
// >>chng 08 apr 30, from 0.0336 to 0.0349 H, He topoff change
monitor line "He 1" 4471  0.0349
//
// >>chng 08 apr 30, from 0.077 to 0.0719 H, He topoff change
monitor line "He 1" 3889  0.0719
//
// >>chng 08 apr 30, from 0.306 to 0.0285 H, He topoff change
monitor line "He 1" 7065  0.0285
//
// >>chng 02 jan 05, from 0.026 to 0.024, HeI Lya redis fcn
// assert line "TOTL"  20580  0.024
// >>chng 05 oct 01, from 0.0235 to 0.0225, RP udate levels
// >>chng 05 dec 20, from 0.0225 to 0.0237, RP change default helium levels
monitor line "He 1"  20580  0.0237
//
// >>chng 00 apr 01 vol aver bug, from 0.655 to 0.526
monitor hydrogen 2 ionization fraction 0.526 volume weighted
//
// >>chng 00 apr 01 vol aver bug, from 0.431 to 0.346
// >>chng01 apr 11, from 0.346 to 0.363, better convergence
// >>chng 09 feb 24, from 0.363 to 0.3466, botches due to r2763
monitor helium 2 ionization fraction 0.3466 volume weighted
//
// >>chng 03 may 21, from 0.1604 to 0.1721, cng in Lya transport
// chng 04 jul 03, from 0.1721 to 0.1620, NA update H, CO chem net
// >>chng 05 mar 12, from 0.1620 to 0.1498, RP merge He-like code
// >>chng 05 dec 20, from 0.1498 to 0.1607, RP change default helium levels
// >>chng 08 apr 07, from 0.1607 to 0.1707, a number of mostly minor iso changes
// >>chng 08 apr 30, from 0.1706 to 0.1809 H, He topoff change
monitor HHeicf 0.1809 error 0.01
//
// >>chng 08 dec 08, from 5 to 3.764, upper limit -> equals (r2515)
// >>chng 08 dec 13, from 3.764 to 4.806, merging newsolvers branch
// >>chng 09 jan 16, from 4.806 to 4.798, average of 10 runs
// >>chng 09 jan 22, from 4.798 to 5.214, some minor botches as a result of r2655
// >>chng 09 feb 23, from 5.214 to 4.965, remove otslin, otscon dampers (PR #84, r2758)
// >>chng 09 jun 26, from 4.965 to 4.333, remove several dampers
// >>chnt 11 aug 13, use default error
monitor itrzn 4.333
c 
c hhe_outsp.in
c class limit 
c ========================================
c 


This tests a spherical cloud with only hydrogen and helium.
Diffuse fields are transferred with the outward only approximation.
The asserts check that the ionizing radiation is conserved.