libs/ck-libs/metis/programs/io.c File Reference

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Functions
graph_t *	ReadGraph (params_t *params)
mesh_t *	ReadMesh (params_t *params)
void	ReadTPwgts (params_t *params, idx_t ncon)
void	ReadPOVector (graph_t *graph, char *filename, idx_t *vector)
void	WritePartition (char *fname, idx_t *part, idx_t n, idx_t nparts)
void	WriteMeshPartition (char *fname, idx_t nparts, idx_t ne, idx_t *epart, idx_t nn, idx_t *npart)
void	WritePermutation (char *fname, idx_t *iperm, idx_t n)
void	WriteGraph (graph_t *graph, char *filename)

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Function Documentation

graph_t* ReadGraph

(

params_t *

params

)

This function reads in a sparse graph

Definition at line 22 of file io.c.

References graph_t::adjncy, adjncy, graph_t::adjwgt, adjwgt, CreateGraph(), errexit(), params_t::filename, gk_fclose(), gk_fexists(), gk_fopen(), gk_free(), gk_getline(), PUP::l, graph_t::ncon, ncon, graph_t::nedges, graph_t::nvtxs, graph_t::vsize, vsize, graph_t::vwgt, vwgt, graph_t::xadj, and xadj.

Referenced by main().

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mesh_t* ReadMesh

(

params_t *

params

)

This function reads in a mesh

Definition at line 178 of file io.c.

References CreateMesh(), mesh_t::eind, eind, mesh_t::eptr, eptr, errexit(), mesh_t::ewgt, params_t::filename, gk_fclose(), gk_fexists(), gk_fopen(), gk_free(), gk_getfilestats(), gk_getline(), PUP::l, mesh, mesh_t::ncon, ncon, mesh_t::ne, and mesh_t::nn.

Referenced by main().

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void ReadTPwgts	(	params_t *	params,
		idx_t	ncon
	)

This function reads in the target partition weights. If no file is specified the weights are set to 1/nparts

Definition at line 275 of file io.c.

References errexit(), free(), gk_fclose(), gk_fexists(), gk_fopen(), gk_free(), gk_getline(), gk_strchr_replace(), nparts, params_t::nparts, params_t::tpwgts, and params_t::tpwgtsfile.

Referenced by main().

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void ReadPOVector	(	graph_t *	graph,
		char *	filename,
		idx_t *	vector
	)

This function reads in a partition/ordering vector

Definition at line 407 of file io.c.

References errexit(), gk_fclose(), gk_fopen(), and graph_t::nvtxs.

Referenced by main().

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void WritePartition	(	char *	fname,
		idx_t *	part,
		idx_t	n,
		idx_t	nparts
	)

This function writes out the partition vector

Definition at line 425 of file io.c.

References gk_fclose(), and gk_fopen().

Referenced by main().

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void WriteMeshPartition	(	char *	fname,
		idx_t	nparts,
		idx_t	ne,
		idx_t *	epart,
		idx_t	nn,
		idx_t *	npart
	)

This function writes out the partition vectors for a mesh

Definition at line 445 of file io.c.

References gk_fclose(), and gk_fopen().

Referenced by main().

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void WritePermutation	(	char *	fname,
		idx_t *	iperm,
		idx_t	n
	)

This function writes out the permutation vector

Definition at line 477 of file io.c.

References gk_fclose(), and gk_fopen().

Referenced by main().

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void WriteGraph	(	graph_t *	graph,
		char *	filename
	)

This function writes a graph into a file

Definition at line 497 of file io.c.

References graph_t::adjncy, adjncy, graph_t::adjwgt, adjwgt, gk_fclose(), gk_fopen(), graph_t::ncon, ncon, graph_t::nvtxs, graph_t::vsize, vsize, graph_t::vwgt, vwgt, graph_t::xadj, and xadj.

Referenced by main().

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