cannam@127: /*
cannam@127:  * Copyright (c) 2003, 2007-14 Matteo Frigo
cannam@127:  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
cannam@127:  *
cannam@127:  * This program is free software; you can redistribute it and/or modify
cannam@127:  * it under the terms of the GNU General Public License as published by
cannam@127:  * the Free Software Foundation; either version 2 of the License, or
cannam@127:  * (at your option) any later version.
cannam@127:  *
cannam@127:  * This program is distributed in the hope that it will be useful,
cannam@127:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
cannam@127:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
cannam@127:  * GNU General Public License for more details.
cannam@127:  *
cannam@127:  * You should have received a copy of the GNU General Public License
cannam@127:  * along with this program; if not, write to the Free Software
cannam@127:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
cannam@127:  *
cannam@127:  */
cannam@127: 
cannam@127: #include "ifftw-mpi.h"
cannam@127: 
cannam@127: /* problem.c: */
cannam@127: typedef struct {
cannam@127:      problem super;
cannam@127:      dtensor *sz;
cannam@127:      INT vn; /* vector length (vector stride 1) */
cannam@127:      R *I, *O; /* contiguous interleaved arrays */
cannam@127: 
cannam@127:      
cannam@127:      unsigned flags; /* TRANSPOSED_IN/OUT meaningful for rnk>1 only
cannam@127: 			SCRAMBLED_IN/OUT meaningful for 1d transforms only */
cannam@127: 
cannam@127:      MPI_Comm comm;
cannam@127: 
cannam@127: #if defined(STRUCT_HACK_KR)
cannam@127:      rdft_kind kind[1];
cannam@127: #elif defined(STRUCT_HACK_C99)
cannam@127:      rdft_kind kind[];
cannam@127: #else
cannam@127:      rdft_kind *kind;
cannam@127: #endif
cannam@127: } problem_mpi_rdft;
cannam@127: 
cannam@127: problem *XM(mkproblem_rdft)(const dtensor *sz, INT vn,
cannam@127: 			    R *I, R *O, MPI_Comm comm, 
cannam@127: 			    const rdft_kind *kind, unsigned flags);
cannam@127: problem *XM(mkproblem_rdft_d)(dtensor *sz, INT vn,
cannam@127: 			      R *I, R *O, MPI_Comm comm, 
cannam@127: 			      const rdft_kind *kind, unsigned flags);
cannam@127: 
cannam@127: /* solve.c: */
cannam@127: void XM(rdft_solve)(const plan *ego_, const problem *p_);
cannam@127: 
cannam@127: /* plans have same operands as rdft plans, so just re-use */
cannam@127: typedef plan_rdft plan_mpi_rdft;
cannam@127: #define MKPLAN_MPI_RDFT(type, adt, apply) \
cannam@127:   (type *)X(mkplan_rdft)(sizeof(type), adt, apply)
cannam@127: 
cannam@127: int XM(rdft_serial_applicable)(const problem_mpi_rdft *p);
cannam@127: 
cannam@127: /* various solvers */
cannam@127: void XM(rdft_rank_geq2_register)(planner *p);
cannam@127: void XM(rdft_rank_geq2_transposed_register)(planner *p);
cannam@127: void XM(rdft_serial_register)(planner *p);
cannam@127: void XM(rdft_rank1_bigvec_register)(planner *p);