source: branches/numpy/pymetis/metis-4.0/Lib/defs.h @ 6971

/*
 * Copyright 1997, Regents of the University of Minnesota
 *
 * defs.h
 *
 * This file contains constant definitions
 *
 * Started 8/27/94
 * George
 *
 * $Id: defs.h,v 1.1 1998/11/27 17:59:13 karypis Exp $
 *
 */

#define METISTITLE              "  METIS 4.0.1 Copyright 1998, Regents of the University of Minnesota\n\n"
#define MAXLINE                 1280000

#define LTERM                   (void **) 0     /* List terminator for GKfree() */

#define MAXNCON                 16              /* The maximum number of constrains */
#define MAXNOBJ                 16              /* The maximum number of objectives */

#define PLUS_GAINSPAN           500             /* Parameters for FM buckets */
#define NEG_GAINSPAN            500

#define HTLENGTH                ((1<<11)-1)

/* Meaning of various options[] parameters */
#define OPTION_PTYPE            0
#define OPTION_CTYPE            1
#define OPTION_ITYPE            2
#define OPTION_RTYPE            3
#define OPTION_DBGLVL           4
#define OPTION_OFLAGS           5
#define OPTION_PFACTOR          6
#define OPTION_NSEPS            7

#define OFLAG_COMPRESS          1       /* Try to compress the graph */
#define OFLAG_CCMP              2       /* Find and order connected components */


/* Default options for PMETIS */
#define PMETIS_CTYPE            MATCH_SHEM
#define PMETIS_ITYPE            IPART_GGPKL
#define PMETIS_RTYPE            RTYPE_FM
#define PMETIS_DBGLVL           0

/* Default options for KMETIS */
#define KMETIS_CTYPE            MATCH_SHEM
#define KMETIS_ITYPE            IPART_PMETIS
#define KMETIS_RTYPE            RTYPE_KWAYRANDOM_MCONN
#define KMETIS_DBGLVL           0

/* Default options for OEMETIS */
#define OEMETIS_CTYPE           MATCH_SHEM
#define OEMETIS_ITYPE           IPART_GGPKL
#define OEMETIS_RTYPE           RTYPE_FM
#define OEMETIS_DBGLVL          0

/* Default options for ONMETIS */
#define ONMETIS_CTYPE           MATCH_SHEM
#define ONMETIS_ITYPE           IPART_GGPKL
#define ONMETIS_RTYPE           RTYPE_SEP1SIDED
#define ONMETIS_DBGLVL          0
#define ONMETIS_OFLAGS          OFLAG_COMPRESS
#define ONMETIS_PFACTOR         -1
#define ONMETIS_NSEPS           1

/* Default options for McPMETIS */
#define McPMETIS_CTYPE          MATCH_SHEBM_ONENORM
#define McPMETIS_ITYPE          IPART_RANDOM
#define McPMETIS_RTYPE          RTYPE_FM
#define McPMETIS_DBGLVL         0

/* Default options for McKMETIS */
#define McKMETIS_CTYPE          MATCH_SHEBM_ONENORM
#define McKMETIS_ITYPE          IPART_McHPMETIS
#define McKMETIS_RTYPE          RTYPE_KWAYRANDOM
#define McKMETIS_DBGLVL         0

/* Default options for KVMETIS */
#define KVMETIS_CTYPE           MATCH_SHEM
#define KVMETIS_ITYPE           IPART_PMETIS
#define KVMETIS_RTYPE           RTYPE_KWAYRANDOM
#define KVMETIS_DBGLVL          0


/* Operations supported by stand-alone code */
#define OP_PMETIS               1
#define OP_KMETIS               2
#define OP_OEMETIS              3
#define OP_ONMETIS              4
#define OP_ONWMETIS             5
#define OP_KVMETIS              6


/* Matching Schemes */
#define MATCH_RM                1
#define MATCH_HEM               2
#define MATCH_SHEM              3
#define MATCH_SHEMKWAY          4
#define MATCH_SHEBM_ONENORM     5
#define MATCH_SHEBM_INFNORM     6
#define MATCH_SBHEM_ONENORM     7
#define MATCH_SBHEM_INFNORM     8

/* Initial partitioning schemes for PMETIS and ONMETIS */
#define IPART_GGPKL             1
#define IPART_GGPKLNODE         2
#define IPART_RANDOM            2

/* Refinement schemes for PMETIS */
#define RTYPE_FM                1

/* Initial partitioning schemes for KMETIS */
#define IPART_PMETIS            1

/* Refinement schemes for KMETIS */
#define RTYPE_KWAYRANDOM        1
#define RTYPE_KWAYGREEDY        2
#define RTYPE_KWAYRANDOM_MCONN  3

/* Refinement schemes for ONMETIS */
#define RTYPE_SEP2SIDED         1
#define RTYPE_SEP1SIDED         2

/* Initial Partitioning Schemes for McKMETIS */
#define IPART_McPMETIS          1       /* Simple McPMETIS */
#define IPART_McHPMETIS         2       /* horizontally relaxed McPMETIS */

#define UNMATCHED               -1

#define HTABLE_EMPTY            -1

#define NGR_PASSES              4       /* Number of greedy refinement passes */
#define NLGR_PASSES             5       /* Number of GR refinement during IPartition */

#define LARGENIPARTS            8       /* Number of random initial partitions */
#define SMALLNIPARTS            3       /* Number of random initial partitions */

#define COARSEN_FRACTION        0.75    /* Node reduction between succesive coarsening levels */
#define COARSEN_FRACTION2       0.90    /* Node reduction between succesive coarsening levels */
#define UNBALANCE_FRACTION              1.05

#define COMPRESSION_FRACTION            0.85

#define ORDER_UNBALANCE_FRACTION        1.10

#define MMDSWITCH               200

#define HORIZONTAL_IMBALANCE            1.05

/* Debug Levels */
#define DBG_TIME        1               /* Perform timing analysis */
#define DBG_OUTPUT      2
#define DBG_COARSEN     4               /* Show the coarsening progress */
#define DBG_REFINE      8               /* Show info on communication during folding */
#define DBG_IPART       16              /* Show info on initial partition */
#define DBG_MOVEINFO    32              /* Show info on communication during folding */
#define DBG_KWAYPINFO   64              /* Show info on communication during folding */
#define DBG_SEPINFO     128             /* Show info on communication during folding */