14b4b7d05SGarrett Wollman /* 24b4b7d05SGarrett Wollman * Copyright (c) 1993 Martin Birgmeier 34b4b7d05SGarrett Wollman * All rights reserved. 44b4b7d05SGarrett Wollman * 54b4b7d05SGarrett Wollman * You may redistribute unmodified or modified versions of this source 64b4b7d05SGarrett Wollman * code provided that the above copyright notice and this and the 74b4b7d05SGarrett Wollman * following conditions are retained. 84b4b7d05SGarrett Wollman * 94b4b7d05SGarrett Wollman * This software is provided ``as is'', and comes with no warranties 104b4b7d05SGarrett Wollman * of any kind. I shall in no event be liable for anything that happens 114b4b7d05SGarrett Wollman * to anyone/anything when using this software. 124b4b7d05SGarrett Wollman */ 134b4b7d05SGarrett Wollman 144b4b7d05SGarrett Wollman #include "rand48.h" 154b4b7d05SGarrett Wollman 164b4b7d05SGarrett Wollman extern unsigned short _rand48_seed[3]; 174b4b7d05SGarrett Wollman extern unsigned short _rand48_mult[3]; 184b4b7d05SGarrett Wollman extern unsigned short _rand48_add; 194b4b7d05SGarrett Wollman 204b4b7d05SGarrett Wollman unsigned short * seed48(unsigned short xseed[3])214b4b7d05SGarrett Wollmanseed48(unsigned short xseed[3]) 224b4b7d05SGarrett Wollman { 234b4b7d05SGarrett Wollman static unsigned short sseed[3]; 244b4b7d05SGarrett Wollman 254b4b7d05SGarrett Wollman sseed[0] = _rand48_seed[0]; 264b4b7d05SGarrett Wollman sseed[1] = _rand48_seed[1]; 274b4b7d05SGarrett Wollman sseed[2] = _rand48_seed[2]; 284b4b7d05SGarrett Wollman _rand48_seed[0] = xseed[0]; 294b4b7d05SGarrett Wollman _rand48_seed[1] = xseed[1]; 304b4b7d05SGarrett Wollman _rand48_seed[2] = xseed[2]; 314b4b7d05SGarrett Wollman _rand48_mult[0] = RAND48_MULT_0; 324b4b7d05SGarrett Wollman _rand48_mult[1] = RAND48_MULT_1; 334b4b7d05SGarrett Wollman _rand48_mult[2] = RAND48_MULT_2; 344b4b7d05SGarrett Wollman _rand48_add = RAND48_ADD; 354b4b7d05SGarrett Wollman return sseed; 364b4b7d05SGarrett Wollman } 37