Adding coincidence check when comparing d_surf, d_lat.
Adding coincidence check when comparing d_surf, d_lat.

amandalund/openmc,smharper/openmc,wbinventor/openmc,paulromano/openmc,paulromano/openmc,mit-crpg/openmc,liangjg/openmc,walshjon/openmc,smharper/openmc,liangjg/openmc,walshjon/openmc,mit-crpg/openmc,liangjg/openmc,walshjon/openmc,liangjg/openmc,shikhar413/openmc,wbinventor/openmc,amandalund/openmc,wbinventor/openmc,shikhar413/openmc,amandalund/openmc,mit-crpg/openmc,amandalund/openmc,paulromano/openmc,shikhar413/openmc,paulromano/openmc,wbinventor/openmc,mit-crpg/openmc,shikhar413/openmc,smharper/openmc,walshjon/openmc,smharper/openmc