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gmk_ub2

gmk_hy(1)						       Scotch user's manual							 gmk_hy(1)

NAME

       gmk_hy, gmk_m2, gmk_m3, gmk_ub2 - create source graphs

SYNOPSIS

       gmk_hy [options] dim [ofile]

       gmk_m2 [options] [-gcfile] dimX dimY [ofile]

       gmk_m3 [options] [-gcfile] dimX dimY dimZ [ofile]

       gmk_ub2 [options] dim

DESCRIPTION

       The gmk_* programs create source graph files for some common, regular topologies.

       gmk_hy creates a hypercube of dimension dim.

       gmk_m2 creates a 2D regular grid of dimensions dimX and dimY.

       gmk_m3 creates a 3D regular grid of dimensions dimX, dimY and dimZ.

       gmk_ub2 creates an unoriented de Bruijn graph of dimension dim.

OPTIONS

       -b base
	      For gmk_m2 and gmk_m3 only. Output graphs with base value set to base. Default value is 0.

       -e     For gmk_m2 only. Build a 8-neighbor grid rather than a 4-neighbor grid.

       -gcfile
	      For gmk_m2 and gmk_m3 only. Output graph vertex coordinates (that is, geometry data to be used by gout(1)) in file cfile.

       -h     Display some help.

       -t     For  gmk_m2  and	gmk_m3	only. Create torus graphs, that is, graphs such that there exist loop edges between vertices of rank 0 and
	      (dim-1) in every dimension.

       -V     Display program version and copyright.

EXAMPLE

       Create a 5x7 grid along with its geometry:

	   $ gmk_m2 5 7 -g/tmp/m5x7.xyz /tmp/m5x7.grf

SEE ALSO

       gbase(1), gmk_msh(1), gtst(1), gmap(1), gord(1), gout(1), amk_grf(1).

       Scotch user's manual.

AUTHOR

       Francois Pellegrini <francois.pellegrini@labri.fr>

								 February 14, 2011							 gmk_hy(1)

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