comparison src/fftw-3.3.3/mpi/mpi-transpose.h @ 95:89f5e221ed7b

Add FFTW3

+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 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"
+
+/* tproblem.c: */
+typedef struct {
+     problem super;
+     INT vn; /* vector length (vector stride 1) */
+     INT nx, ny; /* nx x ny transposed to ny x nx */
+     R *I, *O; /* contiguous real arrays (both same size!) */
+
+     unsigned flags; /* TRANSPOSED_IN: input is *locally* transposed
+			TRANSPOSED_OUT: output is *locally* transposed */
+
+     INT block, tblock; /* block size, slab decomposition;
+			   tblock is for transposed blocks on output */
+
+     MPI_Comm comm;
+} problem_mpi_transpose;
+
+problem *XM(mkproblem_transpose)(INT nx, INT ny, INT vn,
+				 R *I, R *O,
+				 INT block, INT tblock,
+				 MPI_Comm comm,
+				 unsigned flags);
+
+/* tsolve.c: */
+void XM(transpose_solve)(const plan *ego_, const problem *p_);
+
+/* plans have same operands as rdft plans, so just re-use */
+typedef plan_rdft plan_mpi_transpose;
+#define MKPLAN_MPI_TRANSPOSE(type, adt, apply) \
+  (type *)X(mkplan_rdft)(sizeof(type), adt, apply)
+
+/* transpose-pairwise.c: */
+int XM(mkplans_posttranspose)(const problem_mpi_transpose *p, planner *plnr,
+			      R *I, R *O, int my_pe,
+			      plan **cld2, plan **cld2rest, plan **cld3,
+			      INT *rest_Ioff, INT *rest_Ooff);
+/* various solvers */
+void XM(transpose_pairwise_register)(planner *p);
+void XM(transpose_alltoall_register)(planner *p);
+void XM(transpose_recurse_register)(planner *p);