IXFgeteival runfile

Description

IXFgeteival_runfile will extract the energy of the chopper_instrument fermi chopper if it has been appropriately filled, and give a warning otherwise.

F90 syntax

use IXMrunfile

type(IXTrunfile)::runfile
real(dp)::eival
call IXFgeteival_runfile(runfile,eival,status)