First commit - moving from LuaForge to SourceForge

1 files changed, 74 insertions, 0 deletions

diff --git a/src/fftw3/kernel/kplan.c b/src/fftw3/kernel/kplan.c
new file mode 100644
index 0000000..4c17107
--- /dev/null
+++ b/src/fftw3/kernel/kplan.c
@@ -0,0 +1,74 @@
+/*
+ * 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: kplan.c,v 1.1 2008/10/17 06:11:29 scuri Exp $ */
+
+#include "ifftw.h"
+
+/* "Plan: To bother about the best method of accomplishing an
+   accidental result."  (Ambrose Bierce, The Enlarged Devil's
+   Dictionary). */
+
+plan *X(mkplan)(size_t size, const plan_adt *adt)
+{
+     plan *p = (plan *)MALLOC(size, PLANS);
+
+     A(adt->destroy);
+     p->awake_refcnt = 0;
+     p->adt = adt;
+     X(ops_zero)(&p->ops);
+     p->pcost = 0.0;
+     
+     return p;
+}
+
+/*
+ * destroy a plan
+ */
+void X(plan_destroy_internal)(plan *ego)
+{
+     if (ego) {
+	  if (ego->awake_refcnt > 0)
+	       ego->adt->awake(ego, 0);
+          ego->adt->destroy(ego);
+	  X(ifree)(ego);
+     }
+}
+
+/* dummy destroy routine for plans with no local state */
+void X(plan_null_destroy)(plan *ego)
+{
+     UNUSED(ego);
+     /* nothing */
+}
+
+void X(plan_awake)(plan *ego, int flag)
+{
+     if (flag) {
+	  if (!ego->awake_refcnt)
+	       ego->adt->awake(ego, flag);
+	  ++ego->awake_refcnt;
+     } else {
+	  --ego->awake_refcnt;
+	  if (!ego->awake_refcnt)
+	       ego->adt->awake(ego, flag);
+     }
+}
+