mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-30 03:21:27 +00:00
65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2003, 2007-14 Matteo Frigo
|
||
|
|
* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "ifftw-mpi.h"
|
||
|
|
|
||
|
|
/* r2c and c2r transforms. The sz dtensor, as usual, gives the size
|
||
|
|
of the "logical" complex array. For the last dimension N, however,
|
||
|
|
only N/2+1 complex numbers are stored for the complex data. Moreover,
|
||
|
|
for the real data, the last dimension is *always* padded to a size
|
||
|
|
2*(N/2+1). (Contrast this with the serial API, where there is only
|
||
|
|
padding for in-place plans.) */
|
||
|
|
|
||
|
|
/* problem.c: */
|
||
|
|
typedef struct {
|
||
|
|
problem super;
|
||
|
|
dtensor *sz;
|
||
|
|
INT vn; /* vector length (vector stride 1) */
|
||
|
|
R *I, *O; /* contiguous interleaved arrays */
|
||
|
|
|
||
|
|
rdft_kind kind; /* assert(kind < DHT) */
|
||
|
|
unsigned flags; /* TRANSPOSED_IN/OUT meaningful for rnk>1 only
|
||
|
|
SCRAMBLED_IN/OUT meaningful for 1d transforms only */
|
||
|
|
|
||
|
|
MPI_Comm comm;
|
||
|
|
} problem_mpi_rdft2;
|
||
|
|
|
||
|
|
problem *XM(mkproblem_rdft2)(const dtensor *sz, INT vn,
|
||
|
|
R *I, R *O, MPI_Comm comm,
|
||
|
|
rdft_kind kind, unsigned flags);
|
||
|
|
problem *XM(mkproblem_rdft2_d)(dtensor *sz, INT vn,
|
||
|
|
R *I, R *O, MPI_Comm comm,
|
||
|
|
rdft_kind kind, unsigned flags);
|
||
|
|
|
||
|
|
/* solve.c: */
|
||
|
|
void XM(rdft2_solve)(const plan *ego_, const problem *p_);
|
||
|
|
|
||
|
|
/* plans have same operands as rdft plans, so just re-use */
|
||
|
|
typedef plan_rdft plan_mpi_rdft2;
|
||
|
|
#define MKPLAN_MPI_RDFT2(type, adt, apply) \
|
||
|
|
(type *)X(mkplan_rdft)(sizeof(type), adt, apply)
|
||
|
|
|
||
|
|
int XM(rdft2_serial_applicable)(const problem_mpi_rdft2 *p);
|
||
|
|
|
||
|
|
/* various solvers */
|
||
|
|
void XM(rdft2_rank_geq2_register)(planner *p);
|
||
|
|
void XM(rdft2_rank_geq2_transposed_register)(planner *p);
|
||
|
|
void XM(rdft2_serial_register)(planner *p);
|