#ifdef __cplusplus
extern "C" {
#endif

/*
    This software may only be used by you under license from AT&T Corp.
    ("AT&T").  A copy of AT&T's Source Code Agreement is available at
    AT&T's Internet website having the URL:
    <http://www.research.att.com/sw/tools/graphviz/license/source.html>
    If you received this software without first entering into a license
    with AT&T, you have an infringing copy of this software and cannot use
    it without violating AT&T's intellectual property rights.
*/


#ifndef _CG_H_
#define _CG_H_

#include "defs.h"

/*************************
 * C.G. method - SPARSE  *
 ************************/

extern void conjugate_gradient (vtx_data*,double *, double *, int, double, int);

/*************************
 * C.G. method - DENSE   *
 ************************/

extern void conjugate_gradient_f (float**, double *, double *, int, double, int, bool);

extern void conjugate_gradient_mkernel (float*, float*, float*, int, double, int );

#endif

#ifdef __cplusplus
}
#endif
