Simplified EnergyGroups.get_condensed_groups(...) routine
Simplified EnergyGroups.get_condensed_groups(...) routine

samuelshaner/openmc,walshjon/openmc,paulromano/openmc,mit-crpg/openmc,amandalund/openmc,smharper/openmc,johnnyliu27/openmc,samuelshaner/openmc,amandalund/openmc,paulromano/openmc,amandalund/openmc,paulromano/openmc,shikhar413/openmc,mjlong/openmc,johnnyliu27/openmc,kellyrowland/openmc,mit-crpg/openmc,bhermanmit/openmc,liangjg/openmc,johnnyliu27/openmc,wbinventor/openmc,johnnyliu27/openmc,liangjg/openmc,samuelshaner/openmc,smharper/openmc,mjlong/openmc,liangjg/openmc,shikhar413/openmc,walshjon/openmc,walshjon/openmc,samuelshaner/openmc,smharper/openmc,kellyrowland/openmc,walshjon/openmc,wbinventor/openmc,wbinventor/openmc,wbinventor/openmc,mit-crpg/openmc,smharper/openmc,liangjg/openmc,bhermanmit/openmc,mit-crpg/openmc,shikhar413/openmc,paulromano/openmc,shikhar413/openmc,amandalund/openmc