Chris@42: /*
Chris@42:  * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42:  *
Chris@42:  * This program is free software; you can redistribute it and/or modify
Chris@42:  * it under the terms of the GNU General Public License as published by
Chris@42:  * the Free Software Foundation; either version 2 of the License, or
Chris@42:  * (at your option) any later version.
Chris@42:  *
Chris@42:  * This program is distributed in the hope that it will be useful,
Chris@42:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@42:  * GNU General Public License for more details.
Chris@42:  *
Chris@42:  * You should have received a copy of the GNU General Public License
Chris@42:  * along with this program; if not, write to the Free Software
Chris@42:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
Chris@42:  *
Chris@42:  */
Chris@42: 
Chris@42: /* Fortran-like (e.g. as in BLAS) type prefixes for F77 interface */
Chris@42: #if defined(FFTW_SINGLE)
Chris@42: #  define x77(name) CONCAT(sfftw_, name)
Chris@42: #  define X77(NAME) CONCAT(SFFTW_, NAME)
Chris@42: #elif defined(FFTW_LDOUBLE)
Chris@42: /* FIXME: what is best?  BLAS uses D..._X, apparently.  Ugh. */
Chris@42: #  define x77(name) CONCAT(lfftw_, name)
Chris@42: #  define X77(NAME) CONCAT(LFFTW_, NAME)
Chris@42: #elif defined(FFTW_QUAD)
Chris@42: #  define x77(name) CONCAT(qfftw_, name)
Chris@42: #  define X77(NAME) CONCAT(QFFTW_, NAME)
Chris@42: #else
Chris@42: #  define x77(name) CONCAT(dfftw_, name)
Chris@42: #  define X77(NAME) CONCAT(DFFTW_, NAME)
Chris@42: #endif
Chris@42: 
Chris@42: /* If F77_FUNC is not defined and the user didn't explicitly specify
Chris@42:    --disable-fortran, then make our best guess at default wrappers
Chris@42:    (since F77_FUNC_EQUIV should not be defined in this case, we
Chris@42:     will use both double-underscored g77 wrappers and single- or
Chris@42:     non-underscored wrappers).  This saves us from dealing with
Chris@42:     complaints in the cases where the user failed to specify
Chris@42:     an F77 compiler or wrapper detection failed for some reason. */
Chris@42: #if !defined(F77_FUNC) && !defined(DISABLE_FORTRAN)
Chris@42: #  if (defined(_WIN32) || defined(__WIN32__)) && !defined(WINDOWS_F77_MANGLING)
Chris@42: #    define WINDOWS_F77_MANGLING 1
Chris@42: #  endif
Chris@42: #  if defined(_AIX) || defined(__hpux) || defined(hpux)
Chris@42: #    define F77_FUNC(a, A) a
Chris@42: #  elif defined(CRAY) || defined(_CRAY) || defined(_UNICOS)
Chris@42: #    define F77_FUNC(a, A) A
Chris@42: #  else
Chris@42: #    define F77_FUNC(a, A) a ## _
Chris@42: #  endif
Chris@42: #  define F77_FUNC_(a, A) a ## __
Chris@42: #endif
Chris@42: 
Chris@42: #if defined(WITH_G77_WRAPPERS) && !defined(DISABLE_FORTRAN)
Chris@42: #  undef F77_FUNC_
Chris@42: #  define F77_FUNC_(a, A) a ## __
Chris@42: #  undef F77_FUNC_EQUIV
Chris@42: #endif
Chris@42: 
Chris@42: /* annoying Windows syntax for shared-library declarations */
Chris@42: #if defined(FFTW_DLL) && (defined(_WIN32) || defined(__WIN32__))
Chris@42: #  define FFTW_VOIDFUNC __declspec(dllexport) void
Chris@42: #else
Chris@42: #  define FFTW_VOIDFUNC void
Chris@42: #endif