fortran.c

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/*
 * Copyright 1997, Regents of the University of Minnesota
 *
 * fortran.c
 *
 * This file contains code for the fortran to C interface
 *
 * Started 8/19/97
 * George
 *
 * $Id: fortran.c,v 1.1 1998/11/27 17:59:14 karypis Exp $
 *
 */
 
#include "metis.h"
 
 
/*************************************************************************
* This function changes the numbering to start from 0 instead of 1
**************************************************************************/
void Change2CNumbering(int nvtxs, idxtype *xadj, idxtype *adjncy)
{
  int i, nedges;
 
  for (i=0; i<=nvtxs; i++)
    xadj[i]--;
 
  nedges = xadj[nvtxs];
  for (i=0; i<nedges; i++)
    adjncy[i]--;
}
 
/*************************************************************************
* This function changes the numbering to start from 1 instead of 0
**************************************************************************/
void Change2FNumbering(int nvtxs, idxtype *xadj, idxtype *adjncy, idxtype *vector)
{
  int i, nedges;
 
  for (i=0; i<nvtxs; i++)
    vector[i]++;
 
  nedges = xadj[nvtxs];
  for (i=0; i<nedges; i++)
    adjncy[i]++;
 
  for (i=0; i<=nvtxs; i++)
    xadj[i]++;
}
 
/*************************************************************************
* This function changes the numbering to start from 1 instead of 0
**************************************************************************/
void Change2FNumbering2(int nvtxs, idxtype *xadj, idxtype *adjncy)
{
  int i, nedges;
 
  nedges = xadj[nvtxs];
  for (i=0; i<nedges; i++)
    adjncy[i]++;
 
  for (i=0; i<=nvtxs; i++)
    xadj[i]++;
}
 
 
 
/*************************************************************************
* This function changes the numbering to start from 1 instead of 0
**************************************************************************/
void Change2FNumberingOrder(int nvtxs, idxtype *xadj, idxtype *adjncy, idxtype *v1, idxtype *v2)
{
  int i, nedges;
 
  for (i=0; i<nvtxs; i++) {
    v1[i]++;
    v2[i]++;
  }
 
  nedges = xadj[nvtxs];
  for (i=0; i<nedges; i++)
    adjncy[i]++;
 
  for (i=0; i<=nvtxs; i++)
    xadj[i]++;
 
}
 
 
 
/*************************************************************************
* This function changes the numbering to start from 0 instead of 1
**************************************************************************/
void ChangeMesh2CNumbering(int n, idxtype *mesh)
{
  int i;
 
  for (i=0; i<n; i++)
    mesh[i]--;
 
}
 
 
/*************************************************************************
* This function changes the numbering to start from 1 instead of 0
**************************************************************************/
void ChangeMesh2FNumbering(int n, idxtype *mesh, int nvtxs, idxtype *xadj, idxtype *adjncy)
{
  int i, nedges;
 
  for (i=0; i<n; i++)
    mesh[i]++;
 
  nedges = xadj[nvtxs];
  for (i=0; i<nedges; i++)
    adjncy[i]++;
 
  for (i=0; i<=nvtxs; i++)
    xadj[i]++;
 
}
 
 
/*************************************************************************
* This function changes the numbering to start from 1 instead of 0
**************************************************************************/
void ChangeMesh2FNumbering2(int n, idxtype *mesh, int ne, int nn, idxtype *epart, idxtype *npart)
{
  int i, nedges;
 
  for (i=0; i<n; i++)
    mesh[i]++;
 
  for (i=0; i<ne; i++)
    epart[i]++;
 
  for (i=0; i<nn; i++)
    npart[i]++;
 
}