/* * steghide 0.5.1 - a steganography program * Copyright (C) 1999-2003 Stefan Hetzl * * 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; either version 2 * of the License, or (at your option) any later version. * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "PseudoRandomSource.h" UWORD32 PseudoRandomSource::getValue (UWORD32 n) { // doing the step of the linear congruential method Value = A * Value + C ; // scale value to [0...1) and multiply with n return (UWORD32) (((double) n) * ((double) Value / (double) 4294967296.0)) ; }