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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/*
+ ------------------------------------------------------------------------------
+ By Bob Jenkins, 1996, Public Domain
+ MODIFIED:
+ 960327: Creation (addition of randinit, really)
+ 970719: use context, not global variables, for internal state
+ 980324: renamed seed to flag
+ 980605: recommend ISAAC_LOG2_SIZE=4 for noncryptography.
+ 010626: note this is public domain
+ ------------------------------------------------------------------------------
+
+ Modified for CLIB by Eliot Dresselhaus.
+ Dear Bob, Thanks for all the great work. - Eliot
+
+ modifications copyright (c) 2003 Eliot Dresselhaus
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef included_random_isaac_h
+#define included_random_isaac_h
+
+#include <vppinfra/clib.h> /* for u32/u64 */
+#include <vppinfra/format.h> /* for unformat_input_t */
+
+/* Bob recommends 8 for crypto, 4 for simulations */
+#define ISAAC_LOG2_SIZE (4)
+#define ISAAC_SIZE (1 << ISAAC_LOG2_SIZE)
+
+typedef struct
+{
+ uword memory[ISAAC_SIZE];
+ uword a, b, c;
+} isaac_t;
+
+void isaac (isaac_t * ctx, uword * results);
+void isaac2 (isaac_t * ctx, uword * results);
+void isaac_init (isaac_t * ctx, uword * results);
+
+int test_isaac_main (unformat_input_t * input);
+
+#endif /* included_random_isaac_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */