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/*
* Copyright (c) 2003 Matteo Frigo
* Copyright (c) 2003 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
typedef struct {
solver super;
const char *nam;
const hc2hc_desc *desc;
khc2hc k;
} solver_hc2hc;
typedef struct {
plan_rdft super;
khc2hc k;
plan *cld0, *cldm; /* children for 0th and middle butterflies */
plan *cld;
R *W;
int n, r, m, vl;
int is, os, ivs, ovs, iios;
stride ios, vs;
const solver_hc2hc *slv;
twid *td;
} plan_hc2hc;
/* data type describing a generic Cooley-Tukey solver */
typedef struct
{
size_t pln_size;
void (*mkcldrn)(const solver_hc2hc *, const problem_rdft *p,
problem **cldp, problem **cld0p, problem **cldmp);
void (*finish)(plan_hc2hc *ego);
int (*applicable)(const solver_hc2hc *ego, const problem *p,
const planner *plnr);
rdftapply apply;
} hc2hcadt;
int X(rdft_hc2hc_applicable)(const solver_hc2hc *ego, const problem *p_);
plan *X(mkplan_rdft_hc2hc)(const solver_hc2hc *ego,
const problem *p_,
planner *plnr,
const hc2hcadt *adt);
solver *X(mksolver_rdft_hc2hc)(khc2hc k, const hc2hc_desc *desc,
const char *nam, const solver_adt *adt);
void X(rdft_mkcldrn_dit)(const solver_hc2hc *, const problem_rdft *p,
problem **cldp, problem **cld0p, problem **cldmp);
void X(rdft_mkcldrn_dif)(const solver_hc2hc *, const problem_rdft *p,
problem **cldp, problem **cld0p, problem **cldmp);
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