1 /* 2 * Copyright (c) 1993 Martin Birgmeier 3 * All rights reserved. 4 * 5 * You may redistribute unmodified or modified versions of this source 6 * code provided that the above copyright notice and this and the 7 * following conditions are retained. 8 * 9 * This software is provided ``as is'', and comes with no warranties 10 * of any kind. I shall in no event be liable for anything that happens 11 * to anyone/anything when using this software. 12 */ 13 14 #include "rand48.h" 15 16 unsigned short * 17 _DEFUN (_seed48_r, (r, xseed), 18 struct _reent *r _AND 19 unsigned short xseed[3]) 20 { 21 static unsigned short sseed[3]; 22 23 _REENT_CHECK_RAND48(r); 24 sseed[0] = __rand48_seed[0]; 25 sseed[1] = __rand48_seed[1]; 26 sseed[2] = __rand48_seed[2]; 27 __rand48_seed[0] = xseed[0]; 28 __rand48_seed[1] = xseed[1]; 29 __rand48_seed[2] = xseed[2]; 30 __rand48_mult[0] = _RAND48_MULT_0; 31 __rand48_mult[1] = _RAND48_MULT_1; 32 __rand48_mult[2] = _RAND48_MULT_2; 33 __rand48_add = _RAND48_ADD; 34 return sseed; 35 } 36 37 #ifndef _REENT_ONLY 38 unsigned short * 39 _DEFUN (seed48, (xseed), 40 unsigned short xseed[3]) 41 { 42 return _seed48_r (_REENT, xseed); 43 } 44 #endif /* !_REENT_ONLY */ 45