Files
2008-04-15 18:56:58 +01:00

142 lines
3.3 KiB
C

/*
* 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 2003/07/16 15:55:02 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]++;
}