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