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46 lines
1.8 KiB
C
46 lines
1.8 KiB
C
/*Daala video codec
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Copyright (c) 2012 Daala project contributors. All rights reserved.
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Author: Timothy B. Terriberry
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS “AS IS”
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/
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#if !defined(_kiss99_H)
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# define _kiss99_H (1)
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# include <stdint.h>
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/*KISS PRNG from George Marsaglia (1999 version).
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See https://en.wikipedia.org/wiki/KISS_(algorithm) for details.
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This is suitable for simulations, but not for use in crytographic contexts.*/
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typedef struct kiss99_ctx kiss99_ctx;
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struct kiss99_ctx{
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uint32_t z;
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uint32_t w;
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uint32_t jsr;
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uint32_t jcong;
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};
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void kiss99_srand(kiss99_ctx *_this,const unsigned char *_data,int _ndata);
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uint32_t kiss99_rand(kiss99_ctx *_this);
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#endif
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