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/* Pseudo Random Sequence -- Header
* Copyright (C) 2010 Chris Hall (GMCH), Highwayman
*
* This file is part of GNU Zebra.
*
* GNU Zebra 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, or (at your
* option) any later version.
*
* GNU Zebra 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 GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _ZEBRA_QRAND_H
#define _ZEBRA_QRAND_H
#include "misc.h"
/*==============================================================================
* Simple 32 bit random sequence.
*
* Produces 32-bit signed integers in 0..0x7FFF_FFFF.
*
* Object of the exercise is to be able to produce repeatable sequence, so can
* debug !
*/
struct qrand_seq
{
uint last ;
} ;
typedef struct qrand_seq* qrand_seq ;
typedef struct qrand_seq qrand_seq_t[1] ;
#define QRAND_SEQ_INIT(s) { { s } }
/*==============================================================================
* Functions
*/
extern int qrand(qrand_seq seq, int range) ;
#endif /* _ZEBRA_QRAND_H */
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