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142 lines
3.3 KiB
C
142 lines
3.3 KiB
C
/*
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* Copyright 1997, Regents of the University of Minnesota
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*
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* fortran.c
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*
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* This file contains code for the fortran to C interface
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*
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* Started 8/19/97
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* George
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*
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* $Id: fortran.c,v 1.1 2003/07/16 15:55:02 karypis Exp $
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*
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*/
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#include <metis.h>
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/*************************************************************************
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* This function changes the numbering to start from 0 instead of 1
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**************************************************************************/
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void Change2CNumbering(int nvtxs, idxtype *xadj, idxtype *adjncy)
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{
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int i, nedges;
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for (i=0; i<=nvtxs; i++)
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xadj[i]--;
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nedges = xadj[nvtxs];
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for (i=0; i<nedges; i++)
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adjncy[i]--;
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}
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/*************************************************************************
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* This function changes the numbering to start from 1 instead of 0
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**************************************************************************/
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void Change2FNumbering(int nvtxs, idxtype *xadj, idxtype *adjncy, idxtype *vector)
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{
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int i, nedges;
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for (i=0; i<nvtxs; i++)
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vector[i]++;
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nedges = xadj[nvtxs];
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for (i=0; i<nedges; i++)
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adjncy[i]++;
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for (i=0; i<=nvtxs; i++)
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xadj[i]++;
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}
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/*************************************************************************
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* This function changes the numbering to start from 1 instead of 0
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**************************************************************************/
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void Change2FNumbering2(int nvtxs, idxtype *xadj, idxtype *adjncy)
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{
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int i, nedges;
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nedges = xadj[nvtxs];
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for (i=0; i<nedges; i++)
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adjncy[i]++;
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for (i=0; i<=nvtxs; i++)
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xadj[i]++;
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}
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/*************************************************************************
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* This function changes the numbering to start from 1 instead of 0
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**************************************************************************/
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void Change2FNumberingOrder(int nvtxs, idxtype *xadj, idxtype *adjncy, idxtype *v1, idxtype *v2)
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{
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int i, nedges;
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for (i=0; i<nvtxs; i++) {
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v1[i]++;
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v2[i]++;
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}
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nedges = xadj[nvtxs];
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for (i=0; i<nedges; i++)
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adjncy[i]++;
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for (i=0; i<=nvtxs; i++)
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xadj[i]++;
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}
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/*************************************************************************
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* This function changes the numbering to start from 0 instead of 1
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**************************************************************************/
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void ChangeMesh2CNumbering(int n, idxtype *mesh)
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{
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int i;
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for (i=0; i<n; i++)
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mesh[i]--;
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}
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/*************************************************************************
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* This function changes the numbering to start from 1 instead of 0
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**************************************************************************/
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void ChangeMesh2FNumbering(int n, idxtype *mesh, int nvtxs, idxtype *xadj, idxtype *adjncy)
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{
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int i, nedges;
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for (i=0; i<n; i++)
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mesh[i]++;
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nedges = xadj[nvtxs];
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for (i=0; i<nedges; i++)
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adjncy[i]++;
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for (i=0; i<=nvtxs; i++)
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xadj[i]++;
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}
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/*************************************************************************
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* This function changes the numbering to start from 1 instead of 0
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**************************************************************************/
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void ChangeMesh2FNumbering2(int n, idxtype *mesh, int ne, int nn, idxtype *epart, idxtype *npart)
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{
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int i, nedges;
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for (i=0; i<n; i++)
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mesh[i]++;
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for (i=0; i<ne; i++)
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epart[i]++;
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for (i=0; i<nn; i++)
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npart[i]++;
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}
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