gefs2clbcs failed when the code was compiled with debug flags of "-ftrapuv -check all"

[JianpingHuang-NOAA]

gefs2clbcs failed when the code was compiled with debug flags of "-ftrapuv -check all". This is part of IT tests required by NCO to support AQMv7 implementation.

The CMakeLists.txt is available on Cactus at

/lfs/h2/emc/physics/noscrub/jianping.huang/nwdev/packages/aqm.v7.0.88i/sorc/AQM-utils

Below is error message,

FAST_BYTESWAP ALGORITHM HAS BEEN USED AND DATA ALIGNMENT IS CORRECT FOR 4 )
forrtl: error (73): floating divide by zero
Image PC Routine Line Source
gefs2lbc_para 00000000004E6C5B Unknown Unknown Unknown
libpthread-2.31.s 000014F6305968C0 Unknown Unknown Unknown
gefs2lbc_para 000000000044B467 Unknown Unknown Unknown
gefs2lbc_para 000000000040BB52 Unknown Unknown Unknown
libc-2.31.so 000014F63027524D __libc_start_main Unknown Unknown
gefs2lbc_para 000000000040BA6A Unknown Unknown Unknown
nid001086.cactus.wcoss2.ncep.noaa.gov: rank 1 died from signal 6 and dumped core
forrtl: error (78): process killed (SIGTERM)
Image PC Routine Line Source
gefs2lbc_para 00000000004E6C5B Unknown Unknown Unknown
libpthread-2.31.s 000014AD51E7B8C0 Unknown Unknown Unknown
gefs2lbc_para 00000000005851EA Unknown Unknown Unknown
gefs2lbc_para 0000000000539651 Unknown Unknown Unknown
gefs2lbc_para 0000000000449445 Unknown Unknown Unknown
gefs2lbc_para 000000000040BB52 Unknown Unknown Unknown
libc-2.31.so 000014AD51B5A24D __libc_start_main Unknown Unknown
gefs2lbc_para 000000000040BA6A Unknown Unknown Unknown
Application 1c511ef2-628e-4961-a083-528997f48a3e resources: utime=37s stime=3s maxrss=1595632KB inblock=7067908 oublock=24 minflt=36965 majflt=26 nvcsw=2253 nivcsw=81

[ytangnoaa]

The GEFS's top pressure sometimes reaches zero, and causes the divide-by-zero issue.
This PR sets the minimum pressure to avoid it.

#16

[BrianCurtis-NOAA]

Is #16 was merged, this can be closed.