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fftw3.h removed, please don't commit this file back
This commit is contained in:
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lib/fftw/fftw3.h
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lib/fftw/fftw3.h
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/*
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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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* The following statement of license applies *only* to this header file,
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* and *not* to the other files distributed with FFTW or derived therefrom:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/***************************** NOTE TO USERS *********************************
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*
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* THIS IS A HEADER FILE, NOT A MANUAL
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*
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* If you want to know how to use FFTW, please read the manual,
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* online at http://www.fftw.org/doc/ and also included with FFTW.
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* For a quick start, see the manual's tutorial section.
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*
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* (Reading header files to learn how to use a library is a habit
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* stemming from code lacking a proper manual. Arguably, it's a
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* *bad* habit in most cases, because header files can contain
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* interfaces that are not part of the public, stable API.)
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*
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****************************************************************************/
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#ifndef FFTW3_H
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#define FFTW3_H
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/* If <complex.h> is included, use the C99 complex type. Otherwise
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define a type bit-compatible with C99 complex */
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#if !defined(FFTW_NO_Complex) && defined(_Complex_I) && defined(complex) && defined(I)
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# define FFTW_DEFINE_COMPLEX(R, C) typedef R _Complex C
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#else
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# define FFTW_DEFINE_COMPLEX(R, C) typedef R C[2]
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#endif
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#define FFTW_CONCAT(prefix, name) prefix ## name
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#define FFTW_MANGLE_DOUBLE(name) FFTW_CONCAT(fftw_, name)
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#define FFTW_MANGLE_FLOAT(name) FFTW_CONCAT(fftwf_, name)
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#define FFTW_MANGLE_LONG_DOUBLE(name) FFTW_CONCAT(fftwl_, name)
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#define FFTW_MANGLE_QUAD(name) FFTW_CONCAT(fftwq_, name)
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/* IMPORTANT: for Windows compilers, you should add a line
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#define FFTW_DLL
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here and in kernel/ifftw.h if you are compiling/using FFTW as a
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DLL, in order to do the proper importing/exporting, or
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alternatively compile with -DFFTW_DLL or the equivalent
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command-line flag. This is not necessary under MinGW/Cygwin, where
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libtool does the imports/exports automatically. */
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#if defined(FFTW_DLL) && (defined(_WIN32) || defined(__WIN32__))
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/* annoying Windows syntax for shared-library declarations */
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# if defined(COMPILING_FFTW) /* defined in api.h when compiling FFTW */
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# define FFTW_EXTERN extern __declspec(dllexport)
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# else /* user is calling FFTW; import symbol */
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# define FFTW_EXTERN extern __declspec(dllimport)
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# endif
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#else
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# define FFTW_EXTERN extern
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#endif
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enum fftw_r2r_kind_do_not_use_me {
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FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2,
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FFTW_REDFT00=3, FFTW_REDFT01=4, FFTW_REDFT10=5, FFTW_REDFT11=6,
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FFTW_RODFT00=7, FFTW_RODFT01=8, FFTW_RODFT10=9, FFTW_RODFT11=10
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};
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struct fftw_iodim_do_not_use_me {
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int n; /* dimension size */
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int is; /* input stride */
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int os; /* output stride */
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};
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#include <stddef.h> /* for ptrdiff_t */
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struct fftw_iodim64_do_not_use_me {
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ptrdiff_t n; /* dimension size */
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ptrdiff_t is; /* input stride */
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ptrdiff_t os; /* output stride */
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};
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typedef void (*fftw_write_char_func_do_not_use_me)(char c, void *);
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typedef int (*fftw_read_char_func_do_not_use_me)(void *);
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/*
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huge second-order macro that defines prototypes for all API
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functions. We expand this macro for each supported precision
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X: name-mangling macro
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R: real data type
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C: complex data type
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*/
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#define FFTW_DEFINE_API(X, R, C) \
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\
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FFTW_DEFINE_COMPLEX(R, C); \
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\
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typedef struct X(plan_s) *X(plan); \
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\
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typedef struct fftw_iodim_do_not_use_me X(iodim); \
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typedef struct fftw_iodim64_do_not_use_me X(iodim64); \
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\
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typedef enum fftw_r2r_kind_do_not_use_me X(r2r_kind); \
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\
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typedef fftw_write_char_func_do_not_use_me X(write_char_func); \
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typedef fftw_read_char_func_do_not_use_me X(read_char_func); \
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\
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FFTW_EXTERN void X(execute)(const X(plan) p); \
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\
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FFTW_EXTERN X(plan) X(plan_dft)(int rank, const int *n, \
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C *in, C *out, int sign, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_dft_1d)(int n, C *in, C *out, int sign, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_2d)(int n0, int n1, \
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C *in, C *out, int sign, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_3d)(int n0, int n1, int n2, \
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C *in, C *out, int sign, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_many_dft)(int rank, const int *n, \
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int howmany, \
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C *in, const int *inembed, \
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int istride, int idist, \
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C *out, const int *onembed, \
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int ostride, int odist, \
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int sign, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru_dft)(int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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C *in, C *out, \
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int sign, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru_split_dft)(int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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R *ri, R *ii, R *ro, R *io, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru64_dft)(int rank, \
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const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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C *in, C *out, \
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int sign, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru64_split_dft)(int rank, \
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const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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R *ri, R *ii, R *ro, R *io, \
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unsigned flags); \
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\
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FFTW_EXTERN void X(execute_dft)(const X(plan) p, C *in, C *out); \
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FFTW_EXTERN void X(execute_split_dft)(const X(plan) p, R *ri, R *ii, \
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R *ro, R *io); \
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\
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FFTW_EXTERN X(plan) X(plan_many_dft_r2c)(int rank, const int *n, \
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int howmany, \
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R *in, const int *inembed, \
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int istride, int idist, \
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C *out, const int *onembed, \
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int ostride, int odist, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_dft_r2c)(int rank, const int *n, \
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R *in, C *out, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_dft_r2c_1d)(int n,R *in,C *out,unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_r2c_2d)(int n0, int n1, \
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R *in, C *out, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_r2c_3d)(int n0, int n1, \
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int n2, \
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R *in, C *out, unsigned flags); \
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\
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\
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FFTW_EXTERN X(plan) X(plan_many_dft_c2r)(int rank, const int *n, \
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int howmany, \
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C *in, const int *inembed, \
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int istride, int idist, \
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R *out, const int *onembed, \
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int ostride, int odist, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_dft_c2r)(int rank, const int *n, \
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C *in, R *out, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_dft_c2r_1d)(int n,C *in,R *out,unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_c2r_2d)(int n0, int n1, \
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C *in, R *out, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_dft_c2r_3d)(int n0, int n1, \
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int n2, \
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C *in, R *out, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru_dft_r2c)(int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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R *in, C *out, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru_dft_c2r)(int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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C *in, R *out, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru_split_dft_r2c)( \
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int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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R *in, R *ro, R *io, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru_split_dft_c2r)( \
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int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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R *ri, R *ii, R *out, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru64_dft_r2c)(int rank, \
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const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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R *in, C *out, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru64_dft_c2r)(int rank, \
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const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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C *in, R *out, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru64_split_dft_r2c)( \
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int rank, const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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R *in, R *ro, R *io, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_guru64_split_dft_c2r)( \
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int rank, const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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R *ri, R *ii, R *out, \
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unsigned flags); \
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\
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FFTW_EXTERN void X(execute_dft_r2c)(const X(plan) p, R *in, C *out); \
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FFTW_EXTERN void X(execute_dft_c2r)(const X(plan) p, C *in, R *out); \
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\
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FFTW_EXTERN void X(execute_split_dft_r2c)(const X(plan) p, \
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R *in, R *ro, R *io); \
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FFTW_EXTERN void X(execute_split_dft_c2r)(const X(plan) p, \
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R *ri, R *ii, R *out); \
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\
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FFTW_EXTERN X(plan) X(plan_many_r2r)(int rank, const int *n, \
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int howmany, \
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R *in, const int *inembed, \
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int istride, int idist, \
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R *out, const int *onembed, \
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int ostride, int odist, \
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const X(r2r_kind) *kind, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_r2r)(int rank, const int *n, R *in, R *out, \
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const X(r2r_kind) *kind, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_r2r_1d)(int n, R *in, R *out, \
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X(r2r_kind) kind, unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_r2r_2d)(int n0, int n1, R *in, R *out, \
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X(r2r_kind) kind0, X(r2r_kind) kind1, \
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unsigned flags); \
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FFTW_EXTERN X(plan) X(plan_r2r_3d)(int n0, int n1, int n2, \
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R *in, R *out, X(r2r_kind) kind0, \
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X(r2r_kind) kind1, X(r2r_kind) kind2, \
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unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru_r2r)(int rank, const X(iodim) *dims, \
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int howmany_rank, \
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const X(iodim) *howmany_dims, \
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R *in, R *out, \
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const X(r2r_kind) *kind, unsigned flags); \
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\
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FFTW_EXTERN X(plan) X(plan_guru64_r2r)(int rank, const X(iodim64) *dims, \
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int howmany_rank, \
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const X(iodim64) *howmany_dims, \
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R *in, R *out, \
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const X(r2r_kind) *kind, unsigned flags); \
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\
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FFTW_EXTERN void X(execute_r2r)(const X(plan) p, R *in, R *out); \
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\
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FFTW_EXTERN void X(destroy_plan)(X(plan) p); \
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FFTW_EXTERN void X(forget_wisdom)(void); \
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FFTW_EXTERN void X(cleanup)(void); \
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\
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FFTW_EXTERN void X(set_timelimit)(double t); \
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\
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FFTW_EXTERN void X(plan_with_nthreads)(int nthreads); \
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FFTW_EXTERN int X(init_threads)(void); \
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FFTW_EXTERN void X(cleanup_threads)(void); \
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\
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FFTW_EXTERN int X(export_wisdom_to_filename)(const char *filename); \
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FFTW_EXTERN void X(export_wisdom_to_file)(FILE *output_file); \
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FFTW_EXTERN char *X(export_wisdom_to_string)(void); \
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FFTW_EXTERN void X(export_wisdom)(X(write_char_func) write_char, \
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void *data); \
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FFTW_EXTERN int X(import_system_wisdom)(void); \
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FFTW_EXTERN int X(import_wisdom_from_filename)(const char *filename); \
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FFTW_EXTERN int X(import_wisdom_from_file)(FILE *input_file); \
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FFTW_EXTERN int X(import_wisdom_from_string)(const char *input_string); \
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FFTW_EXTERN int X(import_wisdom)(X(read_char_func) read_char, void *data); \
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||||||
\
|
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||||||
FFTW_EXTERN void X(fprint_plan)(const X(plan) p, FILE *output_file); \
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FFTW_EXTERN void X(print_plan)(const X(plan) p); \
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||||||
FFTW_EXTERN char *X(sprint_plan)(const X(plan) p); \
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||||||
\
|
|
||||||
FFTW_EXTERN void *X(malloc)(size_t n); \
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|
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FFTW_EXTERN R *X(alloc_real)(size_t n); \
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FFTW_EXTERN C *X(alloc_complex)(size_t n); \
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FFTW_EXTERN void X(free)(void *p); \
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|
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\
|
|
||||||
FFTW_EXTERN void X(flops)(const X(plan) p, \
|
|
||||||
double *add, double *mul, double *fmas); \
|
|
||||||
FFTW_EXTERN double X(estimate_cost)(const X(plan) p); \
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|
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FFTW_EXTERN double X(cost)(const X(plan) p); \
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|
||||||
\
|
|
||||||
FFTW_EXTERN int X(alignment_of)(R *p); \
|
|
||||||
FFTW_EXTERN const char X(version)[]; \
|
|
||||||
FFTW_EXTERN const char X(cc)[]; \
|
|
||||||
FFTW_EXTERN const char X(codelet_optim)[];
|
|
||||||
|
|
||||||
|
|
||||||
/* end of FFTW_DEFINE_API macro */
|
|
||||||
|
|
||||||
FFTW_DEFINE_API(FFTW_MANGLE_DOUBLE, double, fftw_complex)
|
|
||||||
FFTW_DEFINE_API(FFTW_MANGLE_FLOAT, float, fftwf_complex)
|
|
||||||
FFTW_DEFINE_API(FFTW_MANGLE_LONG_DOUBLE, long double, fftwl_complex)
|
|
||||||
|
|
||||||
/* __float128 (quad precision) is a gcc extension on i386, x86_64, and ia64
|
|
||||||
for gcc >= 4.6 (compiled in FFTW with --enable-quad-precision) */
|
|
||||||
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) \
|
|
||||||
&& !(defined(__ICC) || defined(__INTEL_COMPILER)) \
|
|
||||||
&& (defined(__i386__) || defined(__x86_64__) || defined(__ia64__))
|
|
||||||
# if !defined(FFTW_NO_Complex) && defined(_Complex_I) && defined(complex) && defined(I)
|
|
||||||
/* note: __float128 is a typedef, which is not supported with the _Complex
|
|
||||||
keyword in gcc, so instead we use this ugly __attribute__ version.
|
|
||||||
However, we can't simply pass the __attribute__ version to
|
|
||||||
FFTW_DEFINE_API because the __attribute__ confuses gcc in pointer
|
|
||||||
types. Hence redefining FFTW_DEFINE_COMPLEX. Ugh. */
|
|
||||||
# undef FFTW_DEFINE_COMPLEX
|
|
||||||
# define FFTW_DEFINE_COMPLEX(R, C) typedef _Complex float __attribute__((mode(TC))) C
|
|
||||||
# endif
|
|
||||||
FFTW_DEFINE_API(FFTW_MANGLE_QUAD, __float128, fftwq_complex)
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define FFTW_FORWARD (-1)
|
|
||||||
#define FFTW_BACKWARD (+1)
|
|
||||||
|
|
||||||
#define FFTW_NO_TIMELIMIT (-1.0)
|
|
||||||
|
|
||||||
/* documented flags */
|
|
||||||
#define FFTW_MEASURE (0U)
|
|
||||||
#define FFTW_DESTROY_INPUT (1U << 0)
|
|
||||||
#define FFTW_UNALIGNED (1U << 1)
|
|
||||||
#define FFTW_CONSERVE_MEMORY (1U << 2)
|
|
||||||
#define FFTW_EXHAUSTIVE (1U << 3) /* NO_EXHAUSTIVE is default */
|
|
||||||
#define FFTW_PRESERVE_INPUT (1U << 4) /* cancels FFTW_DESTROY_INPUT */
|
|
||||||
#define FFTW_PATIENT (1U << 5) /* IMPATIENT is default */
|
|
||||||
#define FFTW_ESTIMATE (1U << 6)
|
|
||||||
#define FFTW_WISDOM_ONLY (1U << 21)
|
|
||||||
|
|
||||||
/* undocumented beyond-guru flags */
|
|
||||||
#define FFTW_ESTIMATE_PATIENT (1U << 7)
|
|
||||||
#define FFTW_BELIEVE_PCOST (1U << 8)
|
|
||||||
#define FFTW_NO_DFT_R2HC (1U << 9)
|
|
||||||
#define FFTW_NO_NONTHREADED (1U << 10)
|
|
||||||
#define FFTW_NO_BUFFERING (1U << 11)
|
|
||||||
#define FFTW_NO_INDIRECT_OP (1U << 12)
|
|
||||||
#define FFTW_ALLOW_LARGE_GENERIC (1U << 13) /* NO_LARGE_GENERIC is default */
|
|
||||||
#define FFTW_NO_RANK_SPLITS (1U << 14)
|
|
||||||
#define FFTW_NO_VRANK_SPLITS (1U << 15)
|
|
||||||
#define FFTW_NO_VRECURSE (1U << 16)
|
|
||||||
#define FFTW_NO_SIMD (1U << 17)
|
|
||||||
#define FFTW_NO_SLOW (1U << 18)
|
|
||||||
#define FFTW_NO_FIXED_RADIX_LARGE_N (1U << 19)
|
|
||||||
#define FFTW_ALLOW_PRUNING (1U << 20)
|
|
||||||
|
|
||||||
#ifdef __cplusplus
|
|
||||||
} /* extern "C" */
|
|
||||||
#endif /* __cplusplus */
|
|
||||||
|
|
||||||
#endif /* FFTW3_H */
|
|
||||||
Loading…
x
Reference in New Issue
Block a user