60 lines
2 KiB
C
60 lines
2 KiB
C
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "ifftw-mpi.h"
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/* problem.c: */
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typedef struct {
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problem super;
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dtensor *sz;
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INT vn; /* vector length (vector stride 1) */
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R *I, *O; /* contiguous interleaved arrays */
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int sign; /* FFTW_FORWARD / FFTW_BACKWARD */
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unsigned flags; /* TRANSPOSED_IN/OUT meaningful for rnk>1 only
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SCRAMBLED_IN/OUT meaningful for 1d transforms only */
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MPI_Comm comm;
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} problem_mpi_dft;
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problem *XM(mkproblem_dft)(const dtensor *sz, INT vn,
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R *I, R *O, MPI_Comm comm,
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int sign, unsigned flags);
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problem *XM(mkproblem_dft_d)(dtensor *sz, INT vn,
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R *I, R *O, MPI_Comm comm,
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int sign, unsigned flags);
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/* solve.c: */
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void XM(dft_solve)(const plan *ego_, const problem *p_);
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/* plans have same operands as rdft plans, so just re-use */
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typedef plan_rdft plan_mpi_dft;
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#define MKPLAN_MPI_DFT(type, adt, apply) \
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(type *)X(mkplan_rdft)(sizeof(type), adt, apply)
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int XM(dft_serial_applicable)(const problem_mpi_dft *p);
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/* various solvers */
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void XM(dft_rank_geq2_register)(planner *p);
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void XM(dft_rank_geq2_transposed_register)(planner *p);
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void XM(dft_serial_register)(planner *p);
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void XM(dft_rank1_bigvec_register)(planner *p);
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void XM(dft_rank1_register)(planner *p);
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