diff src/fftw-3.3.3/rdft/simd/common/genus.c @ 95:89f5e221ed7b

Add FFTW3
author Chris Cannam <cannam@all-day-breakfast.com>
date Wed, 20 Mar 2013 15:35:50 +0000
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/simd/common/genus.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,60 @@
+/*
+ * 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 "codelet-rdft.h"
+#include SIMD_HEADER
+
+#define EXTERN_CONST(t, x) extern const t x; const t x
+
+static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
+		      INT rs, INT mb, INT me, INT ms, 
+		      const planner *plnr)
+{
+     return (1
+	     && !NO_SIMDP(plnr)
+	     && SIMD_STRIDE_OK(rs)
+	     && SIMD_VSTRIDE_OK(ms)
+             && ((me - mb) % VL) == 0
+             && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
+	     && ALIGNED(Rp)
+	     && ALIGNED(Rm)
+	     && Ip == Rp + 1
+	     && Im == Rm + 1);
+}
+
+EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL };
+
+static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im, 
+		      INT rs, INT mb, INT me, INT ms, 
+		      const planner *plnr)
+{
+     return (1
+	     && !NO_SIMDP(plnr)
+	     && SIMD_STRIDE_OK(rs)
+	     && SIMD_VSTRIDE_OK(ms)
+             && ((me - mb) % VL) == 0
+             && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
+	     && ALIGNED(Rp)
+	     && ALIGNED(Rm)
+	     && Ip == Rp + 1
+	     && Im == Rm + 1);
+}
+
+EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };