CONEX arithmetic exceptions
I occasionally (< 1/100 hybrid showers) get crashes due to an arithmetic exception (FPE) happening in CONEX:
Core was generated by `/home/ka/ka_iap/ka_zv2315/hsa/build/bin/hybrid_MC_hsa_rho 1 1 1e10 9888319048'.
Program terminated with signal 8, Arithmetic exception.
#0 0x0000000000fefd7a in ausgabcx (iarg=0) at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:44323
44323 t2=t1+dl/sqrt((1.d0-(am/efin))*(1.d0+(am/efin)))
(gdb) bt
#0 0x0000000000fefd7a in ausgabcx (iarg=0) at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:44323
#1 0x0000000000ff5dfc in electrcx (ircode=1) at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:41115
#2 0x0000000000ffa28c in show (iqi=-1, ei=883.92204648898007, xmi=4437.7855641005808, ymi=256.98687021388469, zmi=1561.7707260968164, dmi=-3605.6248315681405, xi=256.98687021388469,
yi=2630.4457268931674, zi=1659.5574642951008, tmi=-175818.6689412639, ui=0.53642504778289324, vi=0.022361428199131488, wi=0.84365166664922553, iri=2, wti=1, latchin=1)
at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:39461
#3 0x0000000000ffac83 in cegs4 (n=0, i=1) at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:3260
(gdb) f 0
#0 0x0000000000fefd7a in ausgabcx (iarg=0) at /home/ka/ka_iap/ka_zv2315/corsika8/modules/conex/src/conex_sub.F:44323
44323 t2=t1+dl/sqrt((1.d0-(am/efin))*(1.d0+(am/efin)))
(gdb) p am
$9 = 0.51099888514727354
(gdb) p efin
$10 = 0.061823094018564007