order.h sp1wd.c spinver.c spnd.c spqmd.c sprcm.c sorder.c sregis.c degree.c fnroot.c genqmd.c qmdqt.c rcm.c fn1wd.c gen1wd.c genrcm.c qmdrch.c rootls.c fndsep.c gennd.c qmdmrg.c qmdupd.c makefile