annotate src/fftw-3.3.5/api/x77.h @ 42:2cd0e3b3e1fd

Current fftw source
author Chris Cannam
date Tue, 18 Oct 2016 13:40:26 +0100
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Chris@42 1 /*
Chris@42 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42 4 *
Chris@42 5 * This program is free software; you can redistribute it and/or modify
Chris@42 6 * it under the terms of the GNU General Public License as published by
Chris@42 7 * the Free Software Foundation; either version 2 of the License, or
Chris@42 8 * (at your option) any later version.
Chris@42 9 *
Chris@42 10 * This program is distributed in the hope that it will be useful,
Chris@42 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@42 13 * GNU General Public License for more details.
Chris@42 14 *
Chris@42 15 * You should have received a copy of the GNU General Public License
Chris@42 16 * along with this program; if not, write to the Free Software
Chris@42 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@42 18 *
Chris@42 19 */
Chris@42 20
Chris@42 21 /* Fortran-like (e.g. as in BLAS) type prefixes for F77 interface */
Chris@42 22 #if defined(FFTW_SINGLE)
Chris@42 23 # define x77(name) CONCAT(sfftw_, name)
Chris@42 24 # define X77(NAME) CONCAT(SFFTW_, NAME)
Chris@42 25 #elif defined(FFTW_LDOUBLE)
Chris@42 26 /* FIXME: what is best? BLAS uses D..._X, apparently. Ugh. */
Chris@42 27 # define x77(name) CONCAT(lfftw_, name)
Chris@42 28 # define X77(NAME) CONCAT(LFFTW_, NAME)
Chris@42 29 #elif defined(FFTW_QUAD)
Chris@42 30 # define x77(name) CONCAT(qfftw_, name)
Chris@42 31 # define X77(NAME) CONCAT(QFFTW_, NAME)
Chris@42 32 #else
Chris@42 33 # define x77(name) CONCAT(dfftw_, name)
Chris@42 34 # define X77(NAME) CONCAT(DFFTW_, NAME)
Chris@42 35 #endif
Chris@42 36
Chris@42 37 /* If F77_FUNC is not defined and the user didn't explicitly specify
Chris@42 38 --disable-fortran, then make our best guess at default wrappers
Chris@42 39 (since F77_FUNC_EQUIV should not be defined in this case, we
Chris@42 40 will use both double-underscored g77 wrappers and single- or
Chris@42 41 non-underscored wrappers). This saves us from dealing with
Chris@42 42 complaints in the cases where the user failed to specify
Chris@42 43 an F77 compiler or wrapper detection failed for some reason. */
Chris@42 44 #if !defined(F77_FUNC) && !defined(DISABLE_FORTRAN)
Chris@42 45 # if (defined(_WIN32) || defined(__WIN32__)) && !defined(WINDOWS_F77_MANGLING)
Chris@42 46 # define WINDOWS_F77_MANGLING 1
Chris@42 47 # endif
Chris@42 48 # if defined(_AIX) || defined(__hpux) || defined(hpux)
Chris@42 49 # define F77_FUNC(a, A) a
Chris@42 50 # elif defined(CRAY) || defined(_CRAY) || defined(_UNICOS)
Chris@42 51 # define F77_FUNC(a, A) A
Chris@42 52 # else
Chris@42 53 # define F77_FUNC(a, A) a ## _
Chris@42 54 # endif
Chris@42 55 # define F77_FUNC_(a, A) a ## __
Chris@42 56 #endif
Chris@42 57
Chris@42 58 #if defined(WITH_G77_WRAPPERS) && !defined(DISABLE_FORTRAN)
Chris@42 59 # undef F77_FUNC_
Chris@42 60 # define F77_FUNC_(a, A) a ## __
Chris@42 61 # undef F77_FUNC_EQUIV
Chris@42 62 #endif
Chris@42 63
Chris@42 64 /* annoying Windows syntax for shared-library declarations */
Chris@42 65 #if defined(FFTW_DLL) && (defined(_WIN32) || defined(__WIN32__))
Chris@42 66 # define FFTW_VOIDFUNC __declspec(dllexport) void
Chris@42 67 #else
Chris@42 68 # define FFTW_VOIDFUNC void
Chris@42 69 #endif