/*@HEADER
// ***********************************************************************
// 
//        AztecOO: An Object-Oriented Aztec Linear Solver Package 
//                 Copyright (2002) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 2.1 of the
// License, or (at your option) any later version.
//  
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//  
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA
// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
// 
// ***********************************************************************
//@HEADER
*/

#ifndef _AZ_F77FUNC_H_
#define _AZ_F77FUNC_H_

#include "az_aztec_defs.h"
#include <string.h>

#ifdef CHAR_MACRO
#undef CHAR_MACRO
#endif
#if defined (INTEL_CXML)
#define CHAR_MACRO(char_var) &char_var, 1
#else
#define CHAR_MACRO(char_var) &char_var
#endif

/* Define fcd (Fortran az_fcd descriptor) for non-standard situations */

#if defined(CRAY_T3X) || defined(INTEL_CXML) || defined(INTEL_MKL)


#if defined(CRAY_T3X)

#include <fortran.h>
#define PREFIX
#define az_fcd fcd

#elif defined(INTEL_CXML)

#define PREFIX __stdcall
#define az_fcd char *, unsigned int

#elif defined(INTEL_MKL)

#define PREFIX
#define az_fcd char *

#endif 
/* All three of these machines use a simple uppercase mangling of Fortran names */

/* if F77_FUNC is defined undefine it because we want to redefine */

#ifdef F77_FUNC
#undef F77_FUNC
#endif


#define F77_FUNC(lcase,UCASE) UCASE

#ifdef F77_FUNC_
#undef F77_FUNC_
#endif

#define F77_FUNC_(lcase,UCASE) UCASE

#else /* Define az_fcd for all other machines */

#define az_fcd char * 
#define PREFIX

#ifdef TRILINOS_NO_CONFIG_H

#ifdef F77_FUNC
#undef F77_FUNC
#endif

#ifdef TRILINOS_HAVE_NO_FORTRAN_UNDERSCORE
#define F77_FUNC(lcase,UCASE) lcase
#define F77_FUNC_(lcase,UCASE) lcase
#else /* TRILINOS_HAVE_NO_FORTRAN_UNDERSCORE not defined*/
#define F77_FUNC(lcase,UCASE) lcase ## _
#if defined(SGI32) || defined(SGI64)
#define F77_FUNC_(lcase,UCASE) lcase ## _
#else
#define F77_FUNC_(lcase,UCASE) lcase ## __
#endif
#endif /* TRILINOS_HAVE_NO_FORTRAN_UNDERSCORE */
#endif /* TRILINOS_NO_CONFIG_H */

#endif

#endif /* _AZ_F77FUNC_H_ */