Cross Reference: /illumos-gate/usr/src/lib/libc/port/gen/random.c

Lines Matching refs:rp
192 	struct _randomjunk *rp = __randomjunk;
194 	if (rp == NULL) {
195 		rp = (struct _randomjunk *)malloc(sizeof (*rp));
196 		if (rp == NULL)
198 		(void) memcpy(rp, &_randominit, sizeof (*rp));
199 		__randomjunk = rp;
201 	return (rp);
228 	struct _randomjunk *rp = _randomjunk();
236 	if (rp == NULL)
238 	ostate = (char *)(&rp->state[ -1 ]);
240 	if (rp->rand_type  ==  TYPE_0)  rp->state[ -1 ] = rp->rand_type;
241 	else  rp->state[ -1 ] =
242 	    (unsigned int)(MAX_TYPES*(rp->rptr - rp->state) + rp->rand_type);
247 	    rp->rand_type = TYPE_0;
248 	    rp->rand_deg = DEG_0;
249 	    rp->rand_sep = SEP_0;
252 		rp->rand_type = TYPE_1;
253 		rp->rand_deg = DEG_1;
254 		rp->rand_sep = SEP_1;
257 		    rp->rand_type = TYPE_2;
258 		    rp->rand_deg = DEG_2;
259 		    rp->rand_sep = SEP_2;
262 			rp->rand_type = TYPE_3;
263 			rp->rand_deg = DEG_3;
264 			rp->rand_sep = SEP_3;
266 			rp->rand_type = TYPE_4;
267 			rp->rand_deg = DEG_4;
268 			rp->rand_sep = SEP_4;
274 	rp->state = &(((unsigned int *)(uintptr_t)arg_state)[1]);
276 	rp->end_ptr = &rp->state[rp->rand_deg];
278 	if (rp->rand_type  ==  TYPE_0)  rp->state[ -1 ] = rp->rand_type;
280 		rp->state[-1] = (unsigned int)(MAX_TYPES*
281 		    (rp->rptr - rp->state) + rp->rand_type);
302 	struct _randomjunk *rp = _randomjunk();
308 	if (rp == NULL)
313 	ostate = (char *)(&rp->state[ -1 ]);
315 	if (rp->rand_type  ==  TYPE_0) rp->state[ -1 ] = rp->rand_type;
317 		rp->state[-1] = (unsigned int)(MAX_TYPES*
318 		    (rp->rptr - rp->state) + rp->rand_type);
325 		rp->rand_type = type;
326 		rp->rand_deg = rp->degrees[ type ];
327 		rp->rand_sep = rp->seps[ type ];
333 	rp->state = &new_state[ 1 ];
334 	if (rp->rand_type  !=  TYPE_0)  {
335 	    rp->rptr = &rp->state[ rear ];
336 	    rp->fptr = &rp->state[ (rear + rp->rand_sep)%rp->rand_deg ];
338 	rp->end_ptr = &rp->state[ rp->rand_deg ];	/* set end_ptr too */
362 	struct _randomjunk *rp = _randomjunk();
365 	if (rp == NULL)
367 	if (rp->rand_type  ==  TYPE_0)  {
368 	    i = rp->state[0] = (rp->state[0]*1103515245 + 12345)&0x7fffffff;
370 	    *rp->fptr += *rp->rptr;
371 	    i = (*rp->fptr >> 1)&0x7fffffff;	/* chucking least random bit */
372 	    if (++rp->fptr  >=  rp->end_ptr)  {
373 		rp->fptr = rp->state;
374 		++rp->rptr;
376 		if (++rp->rptr  >=  rp->end_ptr)  rp->rptr = rp->state;
398 	struct _randomjunk *rp = _randomjunk();
401 	if (rp == NULL)
403 	if (rp->rand_type  ==  TYPE_0)  {
404 	    rp->state[ 0 ] = x;
406 	    rp->state[ 0 ] = x;
407 	    for (i = 1; i < rp->rand_deg; i++)  {
408 		rp->state[i] = 1103515245*rp->state[i - 1] + 12345;
410 	    rp->fptr = &rp->state[ rp->rand_sep ];
411 	    rp->rptr = &rp->state[ 0 ];
412 	    for (i = 0; i < 10*rp->rand_deg; i++)  (void)random();