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