1 /* Copyright (C) 1995, 1997 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, write to the Free 17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18 02111-1307 USA. */ 19 20 #include <stdlib.h> 21 22 int 23 __nrand48_r (xsubi, buffer, result) 24 unsigned short int xsubi[3]; 25 struct drand48_data *buffer; 26 long int *result; 27 { 28 /* Compute next state. */ 29 if (__drand48_iterate (xsubi, buffer) < 0) 30 return -1; 31 32 /* Store the result. */ 33 if (sizeof (unsigned short int) == 2) 34 *result = xsubi[2] << 15 | xsubi[1] >> 1; 35 else 36 *result = xsubi[2] >> 1; 37 38 return 0; 39 } 40 weak_alias (__nrand48_r, nrand48_r) 41