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/* Copyright 2004,2007 ENSEIRB, INRIA & CNRS
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** This file is part of the Scotch software package for static mapping,
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** graph partitioning and sparse matrix ordering.
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** This software is governed by the CeCILL-C license under French law
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** and abiding by the rules of distribution of free software. You can
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** use, modify and/or redistribute the software under the terms of the
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** CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
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** URL: "http://www.cecill.info".
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** As a counterpart to the access to the source code and rights to copy,
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** modify and redistribute granted by the license, users are provided
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** only with a limited warranty and the software's author, the holder of
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** the economic rights, and the successive licensors have only limited
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** In this respect, the user's attention is drawn to the risks associated
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** with loading, using, modifying and/or developing or reproducing the
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** software by the user in light of its specific status of free software,
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** that may mean that it is complicated to manipulate, and that also
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** therefore means that it is reserved for developers and experienced
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** professionals having in-depth computer knowledge. Users are therefore
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** encouraged to load and test the software's suitability as regards
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** their requirements in conditions enabling the security of their
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** systems and/or data to be ensured and, more generally, to use and
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** operate it in the same conditions as regards security.
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** The fact that you are presently reading this means that you have had
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** knowledge of the CeCILL-C license and that you accept its terms.
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/************************************************************/
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/** NAME : library_graph_f.c **/
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/** AUTHOR : Francois PELLEGRINI **/
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/** FUNCTION : This file contains the Fortran API for **/
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/** the source graph handling routines of **/
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/** the libSCOTCH library. **/
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/** DATES : # Version 3.4 : from : 02 dec 1999 **/
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/** to 15 nov 2001 **/
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/** # Version 4.0 : from : 11 dec 2001 **/
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/** to 17 mar 2005 **/
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/** # Version 5.0 : from : 11 jul 2007 **/
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/** to 11 jul 2007 **/
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/************************************************************/
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** The defines and includes.
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/**************************************/
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/* These routines are the Fortran API */
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/* for the graph handling routines. */
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/**************************************/
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SCOTCHFGRAPHINIT, scotchfgraphinit, ( \
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SCOTCH_Graph * const grafptr, \
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int * const revaptr), \
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*revaptr = SCOTCH_graphInit (grafptr);
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SCOTCHFGRAPHEXIT, scotchfgraphexit, ( \
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SCOTCH_Graph * const grafptr), \
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SCOTCH_graphExit (grafptr);
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SCOTCHFGRAPHFREE, scotchfgraphfree, ( \
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SCOTCH_Graph * const grafptr), \
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SCOTCH_graphFree (grafptr);
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/* When an input stream is built from the given
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** file handle, it is set as unbuffered, so as to
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** allow for multiple stream reads from the same
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** file handle. If it were buffered, too many
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** input characters would be read on the first
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SCOTCHFGRAPHLOAD, scotchfgraphload, ( \
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SCOTCH_Graph * const grafptr, \
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int * const fileptr, \
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const SCOTCH_Num * const baseptr, \
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const SCOTCH_Num * const flagptr, \
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int * const revaptr), \
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(grafptr, fileptr, baseptr, flagptr, revaptr))
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FILE * stream; /* Stream to build from handle */
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int filenum; /* Duplicated handle */
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if ((filenum = dup (*fileptr)) < 0) { /* If cannot duplicate file descriptor */
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errorPrint ("SCOTCHFGRAPHLOAD: cannot duplicate handle");
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*revaptr = 1; /* Indicate error */
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if ((stream = fdopen (filenum, "r+")) == NULL) { /* Build stream from handle */
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errorPrint ("SCOTCHFGRAPHLOAD: cannot open input stream");
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setbuf (stream, NULL); /* Do not buffer on input */
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o = SCOTCH_graphLoad (grafptr, stream, *baseptr, *flagptr);
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fclose (stream); /* This closes filenum too */
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SCOTCHFGRAPHSAVE, scotchfgraphsave, ( \
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const SCOTCH_Graph * const grafptr, \
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int * const fileptr, \
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int * const revaptr), \
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(grafptr, fileptr, revaptr))
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FILE * stream; /* Stream to build from handle */
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int filenum; /* Duplicated handle */
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if ((filenum = dup (*fileptr)) < 0) { /* If cannot duplicate file descriptor */
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errorPrint ("SCOTCHFGRAPHSAVE: cannot duplicate handle");
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*revaptr = 1; /* Indicate error */
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if ((stream = fdopen (filenum, "w+")) == NULL) { /* Build stream from handle */
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errorPrint ("SCOTCHFGRAPHSAVE: cannot open output stream");
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o = SCOTCH_graphSave (grafptr, stream);
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fclose (stream); /* This closes filenum too */
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SCOTCHFGRAPHBUILD, scotchfgraphbuild, ( \
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SCOTCH_Graph * const grafptr, \
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const SCOTCH_Num * const baseptr, \
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const SCOTCH_Num * const vertptr, \
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const SCOTCH_Num * const verttab, \
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const SCOTCH_Num * const vendtab, \
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const SCOTCH_Num * const velotab, \
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const SCOTCH_Num * const vlbltab, \
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const SCOTCH_Num * const edgeptr, \
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const SCOTCH_Num * const edgetab, \
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const SCOTCH_Num * const edlotab, \
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int * const revaptr), \
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(grafptr, baseptr, vertptr, verttab, vendtab, \
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velotab, vlbltab, edgeptr, edgetab, edlotab, \
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*revaptr = SCOTCH_graphBuild (grafptr, *baseptr, *vertptr, verttab, vendtab,
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velotab, vlbltab, *edgeptr, edgetab, edlotab);
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SCOTCHFGRAPHSIZE, scotchfgraphsize, ( \
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const SCOTCH_Graph * const grafptr, \
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SCOTCH_Num * const vertptr, \
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SCOTCH_Num * const edgeptr), \
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(grafptr, vertptr, edgeptr))
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SCOTCH_graphSize (grafptr, vertptr, edgeptr);
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SCOTCHFGRAPHDATA, scotchfgraphdata, ( \
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const SCOTCH_Graph * const grafptr, \
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const SCOTCH_Num * const indxptr, \
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SCOTCH_Num * const baseptr, \
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SCOTCH_Num * const vertptr, \
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SCOTCH_Num * const vertidx, \
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SCOTCH_Num * const vendidx, \
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SCOTCH_Num * const veloidx, \
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SCOTCH_Num * const vlblidx, \
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SCOTCH_Num * const edgeptr, \
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SCOTCH_Num * const edgeidx, \
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SCOTCH_Num * const edloidx), \
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(grafptr, indxptr, baseptr, \
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vertptr, vertidx, vendidx, veloidx, vlblidx, \
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edgeptr, edgeidx, edloidx))
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SCOTCH_Num * verttab; /* Pointer to graph arrays */
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SCOTCH_Num * vendtab;
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SCOTCH_Num * velotab;
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SCOTCH_Num * vlbltab;
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SCOTCH_Num * edgetab;
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SCOTCH_Num * edlotab;
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SCOTCH_graphData (grafptr, baseptr, vertptr, &verttab, &vendtab, &velotab, &vlbltab,
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edgeptr, &edgetab, &edlotab);
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*vertidx = (verttab - indxptr) + 1; /* Add 1 since Fortran indices start at 1 */
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*vendidx = (vendtab - indxptr) + 1;
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*veloidx = (velotab != NULL) ? (velotab - indxptr) + 1 : *vertidx;
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*vlblidx = (vlbltab != NULL) ? (vlbltab - indxptr) + 1 : *vertidx;
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*edgeidx = (edgetab - indxptr) + 1;
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*edloidx = (edlotab != NULL) ? (edlotab - indxptr) + 1 : *edgeidx;
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SCOTCHFGRAPHSTAT, scotchfgraphstat, ( \
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const SCOTCH_Graph * const grafptr, \
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SCOTCH_Num * const velominptr, \
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SCOTCH_Num * const velomaxptr, \
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SCOTCH_Num * const velosumptr, \
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double * veloavgptr, \
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double * velodltptr, \
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SCOTCH_Num * const degrminptr, \
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SCOTCH_Num * const degrmaxptr, \
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double * degravgptr, \
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double * degrdltptr, \
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SCOTCH_Num * const edlominptr, \
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SCOTCH_Num * const edlomaxptr, \
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SCOTCH_Num * const edlosumptr, \
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double * edloavgptr, \
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double * edlodltptr), \
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(grafptr, velominptr, velomaxptr, velosumptr, \
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veloavgptr, velodltptr, degrminptr, \
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degrmaxptr, degravgptr, degrdltptr, \
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edlominptr, edlomaxptr, edlosumptr, \
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edloavgptr, edlodltptr))
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SCOTCH_graphStat (grafptr,
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velominptr, velomaxptr, velosumptr, veloavgptr, velodltptr,
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degrminptr, degrmaxptr, degravgptr, degrdltptr,
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edlominptr, edlomaxptr, edlosumptr, edloavgptr, edlodltptr);
added
removed
src/libscotch/library_graph_f.c
