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/*************************************************************************
*
* HTCd - Copyright (C) 1998-2006 Henrik Rydberg
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef QRANH
#define QRANH
#include <math.h>
inline double QUniform(unsigned long& q) {
q=1664525L*q+1013904223L;
unsigned long long s=q;s<<=20;s|=(1023ULL<<52);return *(double*)&s-1;
}
inline int QRanBit(unsigned long& q) {
if(q&131072U) { q=((q^19U)<<1)|1U; return 1; }
else { q<<=1; return 0; }
}
#endif
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