File list (Check if you may need any files):
round_nearest\iseconfig\round_nearest.projectmgr
.............\.........\round_nearest.xreport
.............\round_nearest.bld
.............\round_nearest.cmd_log
.............\round_nearest.gise
.............\round_nearest.lso
.............\round_nearest.ncd
.............\round_nearest.ngc
.............\round_nearest.ngd
.............\round_nearest.ngr
.............\round_nearest.pad
.............\round_nearest.par
.............\round_nearest.pcf
.............\round_nearest.prj
.............\round_nearest.ptwx
.............\round_nearest.stx
.............\round_nearest.syr
.............\round_nearest.twr
.............\round_nearest.twx
.............\round_nearest.unroutes
.............\round_nearest.vhd
.............\round_nearest.xise
.............\round_nearest.xpi
.............\round_nearest.xst
.............\round_nearest_envsettings.html
.............\round_nearest_guide.ncd
.............\round_nearest_map.map
.............\round_nearest_map.mrp
.............\round_nearest_map.ncd
.............\round_nearest_map.ngm
.............\round_nearest_map.xrpt
.............\round_nearest_ngdbuild.xrpt
.............\round_nearest_pad.csv
.............\round_nearest_pad.txt
.............\round_nearest_par.xrpt
.............\round_nearest_summary.html
.............\round_nearest_summary.xml
.............\round_nearest_usage.xml
.............\round_nearest_vhdl.prj
.............\round_nearest_xst.xrpt
.............\webtalk_pn.xml
.............\xlnx_auto_0_xdb\cst.xbcd
.............\.st\work\hdllib.ref
.............\...\....\hdpdeps.ref
.............\...\....\sub00\vhpl00.vho
.............\...\....\.....\vhpl01.vho
.............\_ngo\netlist.lst
.............\.xmsgs\map.xmsgs
.............\......\ngdbuild.xmsgs
.............\......\par.xmsgs
.............\......\pn_parser.xmsgs
.............\......\trce.xmsgs
.............\......\xst.xmsgs
.............\xst\dump.xst\round_nearest.prj\ngx\notopt
.............\...\........\.................\...\opt
.............\...\........\.................\ngx
.............\...\........\round_nearest.prj
.............\...\work\sub00
.............\...\dump.xst
.............\...\projnav.tmp
.............\...\work
.............\ipcore_dir
.............\iseconfig
.............\xlnx_auto_0_xdb
.............\xst
.............\_ngo
.............\_xmsgs
round_nearest