comparison src/fftw-3.3.3/dft/codelet-dft.h @ 10:37bf6b4a2645

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
+ *
+ */
+
+
+/*
+ * This header file must include every file or define every
+ * type or macro which is required to compile a codelet.
+ */
+
+#ifndef __DFT_CODELET_H__
+#define __DFT_CODELET_H__
+
+#include "ifftw.h"
+
+/**************************************************************
+ * types of codelets
+ **************************************************************/
+
+/* DFT codelets */
+typedef struct kdft_desc_s kdft_desc;
+
+typedef struct {
+     int (*okp)(
+	  const kdft_desc *desc,
+	  const R *ri, const R *ii, const R *ro, const R *io,
+	  INT is, INT os, INT vl, INT ivs, INT ovs,
+	  const planner *plnr);
+     INT vl;
+} kdft_genus;
+
+struct kdft_desc_s {
+     INT sz;    /* size of transform computed */
+     const char *nam;
+     opcnt ops;
+     const kdft_genus *genus;
+     INT is;
+     INT os;
+     INT ivs;
+     INT ovs;
+};
+
+typedef void (*kdft) (const R *ri, const R *ii, R *ro, R *io,
+                      stride is, stride os, INT vl, INT ivs, INT ovs);
+void X(kdft_register)(planner *p, kdft codelet, const kdft_desc *desc);
+
+
+typedef struct ct_desc_s ct_desc;
+
+typedef struct {
+     int (*okp)(
+	  const struct ct_desc_s *desc,
+	  const R *rio, const R *iio, 
+	  INT rs, INT vs, INT m, INT mb, INT me, INT ms,
+	  const planner *plnr);
+     INT vl;
+} ct_genus;
+
+struct ct_desc_s {
+     INT radix;
+     const char *nam;
+     const tw_instr *tw;
+     const ct_genus *genus;
+     opcnt ops;
+     INT rs;
+     INT vs;
+     INT ms;
+};
+
+typedef void (*kdftw) (R *rioarray, R *iioarray, const R *W,
+		       stride ios, INT mb, INT me, INT ms);
+void X(kdft_dit_register)(planner *p, kdftw codelet, const ct_desc *desc);
+void X(kdft_dif_register)(planner *p, kdftw codelet, const ct_desc *desc);
+
+
+typedef void (*kdftwsq) (R *rioarray, R *iioarray,
+			 const R *W, stride is, stride vs,
+			 INT mb, INT me, INT ms);
+void X(kdft_difsq_register)(planner *p, kdftwsq codelet, const ct_desc *desc);
+
+
+extern const solvtab X(solvtab_dft_standard);
+extern const solvtab X(solvtab_dft_sse2);
+extern const solvtab X(solvtab_dft_avx);
+extern const solvtab X(solvtab_dft_altivec);
+extern const solvtab X(solvtab_dft_neon);
+
+#endif				/* __DFT_CODELET_H__ */