typedef const char* MatOrderingType; #define MATORDERINGNATURAL "natural" #define MATORDERINGND "nd" #define MATORDERING1WD "1wd" #define MATORDERINGRCM "rcm" #define MATORDERINGQMD "qmd" #define MATORDERINGROWLENGTH "rowlength" #define MATORDERINGWBM "wbm" #define MATORDERINGSPECTRAL "spectral" #define MATORDERINGAMD "amd" /* only works if UMFPACK is installed with PETSc */ #define MATORDERINGNATURAL_OR_ND "natural_or_nd" /* special coase used for Cholesky and ICC, allows ND when AIJ matrix is used but Natural when SBAIJ is used */