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furnace/extern/fftw/mpi/fftw3-mpi.h
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/*
* Copyright (c) 2003, 2007-14 Matteo Frigo
* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
*
* The following statement of license applies *only* to this header file,
* and *not* to the other files distributed with FFTW or derived therefrom:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/***************************** NOTE TO USERS *********************************
*
* THIS IS A HEADER FILE, NOT A MANUAL
*
* If you want to know how to use FFTW, please read the manual,
* online at http://www.fftw.org/doc/ and also included with FFTW.
* For a quick start, see the manual's tutorial section.
*
* (Reading header files to learn how to use a library is a habit
* stemming from code lacking a proper manual. Arguably, it's a
* *bad* habit in most cases, because header files can contain
* interfaces that are not part of the public, stable API.)
*
****************************************************************************/
#ifndef FFTW3_MPI_H
#define FFTW3_MPI_H
#include <fftw3.h>
#include <mpi.h>
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
struct fftw_mpi_ddim_do_not_use_me {
ptrdiff_t n; /* dimension size */
ptrdiff_t ib; /* input block */
ptrdiff_t ob; /* output block */
};
/*
huge second-order macro that defines prototypes for all API
functions. We expand this macro for each supported precision
XM: name-mangling macro (MPI)
X: name-mangling macro (serial)
R: real data type
C: complex data type
*/
#define FFTW_MPI_DEFINE_API(XM, X, R, C) \
\
typedef struct fftw_mpi_ddim_do_not_use_me XM(ddim); \
\
FFTW_EXTERN void XM(init)(void); \
FFTW_EXTERN void XM(cleanup)(void); \
\
FFTW_EXTERN ptrdiff_t XM(local_size_many_transposed) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t block0, ptrdiff_t block1, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start, \
ptrdiff_t *local_n1, ptrdiff_t *local_1_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_many) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t block0, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_transposed) \
(int rnk, const ptrdiff_t *n, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start, \
ptrdiff_t *local_n1, ptrdiff_t *local_1_start); \
FFTW_EXTERN ptrdiff_t XM(local_size) \
(int rnk, const ptrdiff_t *n, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_many_1d)( \
ptrdiff_t n0, ptrdiff_t howmany, \
MPI_Comm comm, int sign, unsigned flags, \
ptrdiff_t *local_ni, ptrdiff_t *local_i_start, \
ptrdiff_t *local_no, ptrdiff_t *local_o_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_1d)( \
ptrdiff_t n0, MPI_Comm comm, int sign, unsigned flags, \
ptrdiff_t *local_ni, ptrdiff_t *local_i_start, \
ptrdiff_t *local_no, ptrdiff_t *local_o_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_2d)( \
ptrdiff_t n0, ptrdiff_t n1, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_2d_transposed)( \
ptrdiff_t n0, ptrdiff_t n1, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start, \
ptrdiff_t *local_n1, ptrdiff_t *local_1_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_3d)( \
ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start); \
FFTW_EXTERN ptrdiff_t XM(local_size_3d_transposed)( \
ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, MPI_Comm comm, \
ptrdiff_t *local_n0, ptrdiff_t *local_0_start, \
ptrdiff_t *local_n1, ptrdiff_t *local_1_start); \
\
FFTW_EXTERN X(plan) XM(plan_many_transpose) \
(ptrdiff_t n0, ptrdiff_t n1, \
ptrdiff_t howmany, ptrdiff_t block0, ptrdiff_t block1, \
R *in, R *out, MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_transpose) \
(ptrdiff_t n0, ptrdiff_t n1, \
R *in, R *out, MPI_Comm comm, unsigned flags); \
\
FFTW_EXTERN X(plan) XM(plan_many_dft) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t block, ptrdiff_t tblock, C *in, C *out, \
MPI_Comm comm, int sign, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft) \
(int rnk, const ptrdiff_t *n, C *in, C *out, \
MPI_Comm comm, int sign, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_1d) \
(ptrdiff_t n0, C *in, C *out, \
MPI_Comm comm, int sign, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_2d) \
(ptrdiff_t n0, ptrdiff_t n1, C *in, C *out, \
MPI_Comm comm, int sign, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_3d) \
(ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, C *in, C *out, \
MPI_Comm comm, int sign, unsigned flags); \
\
FFTW_EXTERN X(plan) XM(plan_many_r2r) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t iblock, ptrdiff_t oblock, R *in, R *out, \
MPI_Comm comm, const X(r2r_kind) *kind, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_r2r) \
(int rnk, const ptrdiff_t *n, R *in, R *out, \
MPI_Comm comm, const X(r2r_kind) *kind, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_r2r_2d) \
(ptrdiff_t n0, ptrdiff_t n1, R *in, R *out, MPI_Comm comm, \
X(r2r_kind) kind0, X(r2r_kind) kind1, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_r2r_3d) \
(ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, \
R *in, R *out, MPI_Comm comm, X(r2r_kind) kind0, \
X(r2r_kind) kind1, X(r2r_kind) kind2, unsigned flags); \
\
FFTW_EXTERN X(plan) XM(plan_many_dft_r2c) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t iblock, ptrdiff_t oblock, R *in, C *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_r2c) \
(int rnk, const ptrdiff_t *n, R *in, C *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_r2c_2d) \
(ptrdiff_t n0, ptrdiff_t n1, R *in, C *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_r2c_3d) \
(ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, R *in, C *out, \
MPI_Comm comm, unsigned flags); \
\
FFTW_EXTERN X(plan) XM(plan_many_dft_c2r) \
(int rnk, const ptrdiff_t *n, ptrdiff_t howmany, \
ptrdiff_t iblock, ptrdiff_t oblock, C *in, R *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_c2r) \
(int rnk, const ptrdiff_t *n, C *in, R *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_c2r_2d) \
(ptrdiff_t n0, ptrdiff_t n1, C *in, R *out, \
MPI_Comm comm, unsigned flags); \
FFTW_EXTERN X(plan) XM(plan_dft_c2r_3d) \
(ptrdiff_t n0, ptrdiff_t n1, ptrdiff_t n2, C *in, R *out, \
MPI_Comm comm, unsigned flags); \
\
FFTW_EXTERN void XM(gather_wisdom)(MPI_Comm comm_); \
FFTW_EXTERN void XM(broadcast_wisdom)(MPI_Comm comm_); \
\
FFTW_EXTERN void XM(execute_dft)(X(plan) p, C *in, C *out); \
FFTW_EXTERN void XM(execute_dft_r2c)(X(plan) p, R *in, C *out); \
FFTW_EXTERN void XM(execute_dft_c2r)(X(plan) p, C *in, R *out); \
FFTW_EXTERN void XM(execute_r2r)(X(plan) p, R *in, R *out);
/* end of FFTW_MPI_DEFINE_API macro */
#define FFTW_MPI_MANGLE_DOUBLE(name) FFTW_MANGLE_DOUBLE(FFTW_CONCAT(mpi_,name))
#define FFTW_MPI_MANGLE_FLOAT(name) FFTW_MANGLE_FLOAT(FFTW_CONCAT(mpi_,name))
#define FFTW_MPI_MANGLE_LONG_DOUBLE(name) FFTW_MANGLE_LONG_DOUBLE(FFTW_CONCAT(mpi_,name))
FFTW_MPI_DEFINE_API(FFTW_MPI_MANGLE_DOUBLE, FFTW_MANGLE_DOUBLE, double, fftw_complex)
FFTW_MPI_DEFINE_API(FFTW_MPI_MANGLE_FLOAT, FFTW_MANGLE_FLOAT, float, fftwf_complex)
FFTW_MPI_DEFINE_API(FFTW_MPI_MANGLE_LONG_DOUBLE, FFTW_MANGLE_LONG_DOUBLE, long double, fftwl_complex)
#define FFTW_MPI_DEFAULT_BLOCK (0)
/* MPI-specific flags */
#define FFTW_MPI_SCRAMBLED_IN (1U << 27)
#define FFTW_MPI_SCRAMBLED_OUT (1U << 28)
#define FFTW_MPI_TRANSPOSED_IN (1U << 29)
#define FFTW_MPI_TRANSPOSED_OUT (1U << 30)
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* FFTW3_MPI_H */
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