First commit - moving from LuaForge to SourceForge

1 files changed, 39 insertions, 0 deletions

diff --git a/src/fftw3/kernel/align.c b/src/fftw3/kernel/align.c
new file mode 100644
index 0000000..7f475d5
--- /dev/null
+++ b/src/fftw3/kernel/align.c
@@ -0,0 +1,39 @@
+/*
+ * 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
+ *
+ */
+
+/* $Id: align.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */
+
+#include "ifftw.h"
+
+#if HAVE_3DNOW
+#  define ALGN 8
+#elif HAVE_SIMD
+#  define ALGN 16
+#elif HAVE_K7
+#  define ALGN 8
+#else
+#  define ALGN (sizeof(R))
+#endif
+
+/* NONPORTABLE */
+int X(alignment_of)(R *p)
+{
+     return (int)(((uintptr_t) p) % ALGN);
+}