added in smarter maximal value detection for rejection sampling of scattering angles represented as polynomial legendres
added in smarter maximal value detection for rejection sampling of scattering angles represented as polynomial legendres

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