1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
|
/* $Id: $ */
/* Copyright (C) 1997 Sverre Hvammen Johansen,
* Department of Informatics, University of Oslo.
*
* 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; version 2.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "random.h"
/******************************************************************************
INTEGER PROCEDURE RANDINT */
long
__rrandint (a, b, U)
long a,
b,
*U;
{
long u;
double r;
u = CALCU;
if (b < a)
__rerror ("Randint: Second parameter is lower than first parameter");
u = r = (double) u *((double) b - (double) a + 1.0) / ((double) MAXU + 1.0) + (double) a;
return ((u > r) ? u - 1 : u);
}
|