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-rw-r--r--src/fftw3/rdft/hc2hc.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/fftw3/rdft/hc2hc.h b/src/fftw3/rdft/hc2hc.h
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+++ b/src/fftw3/rdft/hc2hc.h
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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);