Teuchos_F77_wrappers.h

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// @HEADER
// ***********************************************************************
// 
//                    Teuchos: Common Tools Package
//                 Copyright (2004) 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) 
// 
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#ifndef _TEUCHOS_F77_WRAPPERS_H_
#define _TEUCHOS_F77_WRAPPERS_H_

#include "Teuchos_ConfigDefs.hpp"

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

#if defined(CRAY_T3X)

#  include <fortran.h>
#  define F77_CALL_PREFIX
#  define FORTRAN_CHAR_1_ARG(ARG_NAME) fcd* ARG_NAME
#  define FORTRAN_CONST_CHAR_1_ARG(ARG_NAME) const fcd& ARG_NAME
#  define FORTRAN_CHAR_1_ARG_CALL(ARG_NAME) ARG_NAME

#elif defined(INTEL_CXML)

#  define F77_CALL_PREFIX __stdcall 
#  define FORTRAN_CHAR_1_ARG(ARG_NAME) char* ARG_NAME, unsigned int
#  define FORTRAN_CONST_CHAR_1_ARG(ARG_NAME) const char& ARG_NAME, unsigned int
#  define FORTRAN_CHAR_1_ARG_CALL(ARG_NAME) ARG_NAME, 1

#elif defined(INTEL_MKL)

#  define F77_CALL_PREFIX
#  define FORTRAN_CHAR_1_ARG(ARG_NAME) char* ARG_NAME
#  define FORTRAN_CONST_CHAR_1_ARG(ARG_NAME) const char& ARG_NAME
#  define FORTRAN_CHAR_1_ARG_CALL(ARG_NAME) ARG_NAME, 1

#else

#  define F77_CALL_PREFIX
#  define FORTRAN_CHAR_1_ARG(ARG_NAME) char* ARG_NAME
#  define FORTRAN_CONST_CHAR_1_ARG(ARG_NAME) const char& ARG_NAME
#  define FORTRAN_CHAR_1_ARG_CALL(ARG_NAME) ARG_NAME

#endif

/* RAB: 20030924: ToDo: Find a way to see if const is supported or not by C or
   just decide that this will only be for C++ code and be done with it. */

/* External macros */

#define FORTRAN_NAME_UL(UNAME,LNAME) F77_FUNC(LNAME,UNAME)

#define FORTRAN_FUNC_DECL_UL(TYPE,UFUNC_NAME,LFUNC_NAME) TYPE F77_CALL_PREFIX FORTRAN_NAME_UL(UFUNC_NAME,LFUNC_NAME)

#define FORTRAN_FUNC_CALL_UL(UFUNC_NAME,LFUNC_NAME) FORTRAN_NAME_UL(UFUNC_NAME,LFUNC_NAME)

#define FORTRAN_FUNC_PTR_DECL_UL(TYPE,UFUNC_NAME,LFUNC_NAME) TYPE (F77_CALL_PREFIX *FORTRAN_NAME_UL(UFUNC_NAME,LFUNC_NAME))

#define FORTRAN_COMMMON_BLOCK_NAME_UL(UNAME,LNAME)  FORTRAN_NAME_UL(UNAME,LNAME)\

#define FORTRAN_NAME_UL_(UNAME,LNAME) F77_FUNC_(LNAME,UNAME)

#define FORTRAN_FUNC_DECL_UL_(TYPE,UFUNC_NAME,LFUNC_NAME) TYPE F77_CALL_PREFIX FORTRAN_NAME_UL_(UFUNC_NAME,LFUNC_NAME)

#define FORTRAN_FUNC_CALL_UL_(UFUNC_NAME,LFUNC_NAME) FORTRAN_NAME_UL_(UFUNC_NAME,LFUNC_NAME)

#define FORTRAN_FUNC_PTR_DECL_UL_(TYPE,UFUNC_NAME,LFUNC_NAME) TYPE (F77_CALL_PREFIX *FORTRAN_NAME_UL_(UFUNC_NAME,LFUNC_NAME))

#define FORTRAN_COMMMON_BLOCK_NAME_UL_(UNAME,LNAME)  FORTRAN_NAME_UL_(UNAME,LNAME)\

#ifdef __cplusplus

// These are the platform dependent C++ equivalents of fortran types
// RAB: 2003/11/20: ToDo: Move this into Teuchos namespace at some point
namespace FortranTypes {

typedef int             f_int;          // INTEGER
typedef float           f_real;         // REAL
typedef double            f_dbl_prec;       // DOUBLE PRECISION
typedef int             f_logical;        // LOGICAL
typedef char            f_char;         // CHARACTER*1
typedef unsigned int        f_char_len;       // length argument for a CHARACTER*(*)
//typedef std::complex<f_real>    f_complex;        // COMPLEX
//typedef std::complex<f_dbl_prec>  f_complex_16;     // COMPLEX*16

enum {  F_TRUE = true, F_FALSE = false }; // Let compiler figure this out!

#endif /* __cplusplus */

} // namespace FortranTypes

#endif // _TEUCHOS_F77_WRAPPERS_H_