aij.h spooles.h aij.c aijfact.c ij.c essl.c dxml.c aijnode.c fdaij.c unary.c ilut.c aijmatlab.c lusol.c dsc.c superlu.c aijspooles.c spoolesOptions.c spooles.c matmatmult.c symtranspose.c matptap.c makefile