34  * Write x = (k + j/256)ln2 + r, where k and j are integers, j >= 0,
332 	{ DBLWORD(0x43380000, 0x00000000) },
333 	{ DBLWORD(0x40771547, 0x652b82fe) },
334 	{ DBLWORD(0x3f662e42, 0xfee00000) },
335 	{ DBLWORD(0x3d6a39ef, 0x35793c76) },
336 	{ DBLWORD(0x3ff00000, 0x00000000) },
337 	{ DBLWORD(0x3fdfffff, 0xfffffff6) },
338 	{ DBLWORD(0x3fc55555, 0x721a1d14) },
339 	{ DBLWORD(0x3fa55555, 0x6e0896af) },
340 	{ DBLWORD(0x01000000, 0x00000000) },
341 	{ DBLWORD(0x7f000000, 0x00000000) },
342 	{ DBLWORD(0x40862e42, 0xfefa39ef) },
343 	{ DBLWORD(0xc0874910, 0xd52d3051) },
344 	{ DBLWORD(0xfff00000, 0x00000000) },
345 	{ DBLWORD(0x00000000, 0x00000000) }
348 #define	round		C[0].d
368 	j##N = (j##N & 0xff) << 1;				\
374 		HI(y##N) += (k##N + 0x3ef) << 20;		\
383 	hx = HI(x[0]);						\
384 	ix = hx & ~0x80000000;					\
387 	if (ix >= 0x40862e42) {					\
388 		if (ix >= 0x7ff00000) { /* x is inf or nan */	\
401 	} else if (ix < 0x3e300000) { /* |x| < 2^-28 */		\
410 	double		x0, x1, x2, x3, x4, x5;  in __vexp()  local
421 		if (--n < 0)  in __vexp()
425 		PREPROCESS(0, 0, begin);  in __vexp()
427 		if (--n < 0)  in __vexp()
432 		if (--n < 0)  in __vexp()
437 		if (--n < 0)  in __vexp()
442 		if (--n < 0)  in __vexp()
447 		if (--n < 0)  in __vexp()
457 		y5 = (x5 * invln2_256) + round;  in __vexp()
480 		j0 = (j0 & 0xff) << 1;  in __vexp()
481 		j1 = (j1 & 0xff) << 1;  in __vexp()
482 		j2 = (j2 & 0xff) << 1;  in __vexp()
483 		j3 = (j3 & 0xff) << 1;  in __vexp()
484 		j4 = (j4 & 0xff) << 1;  in __vexp()
485 		j5 = (j5 & 0xff) << 1;  in __vexp()
492 		x5 = (x5 - y5 * ln2_256h) - y5 * ln2_256l;  in __vexp()
499 		y5 = x5 * (one + x5 * (B1 + x5 * (B2 + x5 * B3)));  in __vexp()
516 			HI(y0) += (k0 + 0x3ef) << 20;  in __vexp()
522 			HI(y1) += (k1 + 0x3ef) << 20;  in __vexp()
528 			HI(y2) += (k2 + 0x3ef) << 20;  in __vexp()
534 			HI(y3) += (k3 + 0x3ef) << 20;  in __vexp()
540 			HI(y4) += (k4 + 0x3ef) << 20;  in __vexp()
546 			HI(y5) += (k5 + 0x3ef) << 20;  in __vexp()
552 		y[0] = y0;  in __vexp()
562 		PROCESS(0);  in __vexp()
566 		PROCESS(0);  in __vexp()
571 		PROCESS(0);  in __vexp()
577 		PROCESS(0);  in __vexp()
584 		PROCESS(0);  in __vexp()