93 #define MANT_DIG	PASTE(FLT,_MANT_DIG)  macro
129 #define NDIG			(MAX_10_EXP - MIN_10_EXP + 2 * MANT_DIG)
130 #define HEXNDIG			((MAX_EXP - MIN_EXP + 7) / 8 + 2 * MANT_DIG)
131 #define	RETURN_LIMB_SIZE		howmany (MANT_DIG, BITS_PER_MP_LIMB)
141 #define	MPNSIZE		(howmany (1 + ((MANT_DIG - MIN_EXP + 2) * 10) / 3, \
188       if (exponent < MIN_EXP - 1 - MANT_DIG)  in round_and_return()
195       if (shift == MANT_DIG)  in round_and_return()
202 	  round_bit = (MANT_DIG - 1) % BITS_PER_MP_LIMB;  in round_and_return()
251 		  if (((MANT_DIG % BITS_PER_MP_LIMB) == 0 && cy) ||  in round_and_return()
252 		      ((MANT_DIG % BITS_PER_MP_LIMB) != 0 &&  in round_and_return()
254 			& (((mp_limb_t) 1) << (MANT_DIG % BITS_PER_MP_LIMB)))  in round_and_return()
297       if (((MANT_DIG % BITS_PER_MP_LIMB) == 0 && cy) ||  in round_and_return()
298 	  ((MANT_DIG % BITS_PER_MP_LIMB) != 0 &&  in round_and_return()
300 	    & (((mp_limb_t) 1) << (MANT_DIG % BITS_PER_MP_LIMB))) != 0))  in round_and_return()
305 	    |= ((mp_limb_t) 1) << ((MANT_DIG - 1) % BITS_PER_MP_LIMB);  in round_and_return()
309 		   & (((mp_limb_t) 1) << ((MANT_DIG - 1) % BITS_PER_MP_LIMB)))  in round_and_return()
920 						 + MIN_EXP - MANT_DIG) / 4);
921 		  exp_limit = -MIN_EXP + MANT_DIG + 4 * (intmax_t) int_no;
952 			  <= (uintmax_t) (INTMAX_MAX + MIN_10_EXP - MANT_DIG));
953 		  exp_limit = -MIN_10_EXP + MANT_DIG + (intmax_t) int_no;
1102       int idx = (MANT_DIG - 1) / BITS_PER_MP_LIMB;
1103       int pos = (MANT_DIG - 1) % BITS_PER_MP_LIMB;
1277       if (bits > MANT_DIG)
1280 	  const mp_size_t least_idx = (bits - MANT_DIG) / BITS_PER_MP_LIMB;
1281 	  const mp_size_t least_bit = (bits - MANT_DIG) % BITS_PER_MP_LIMB;
1311 	  const mp_size_t target_bit = (MANT_DIG - 1) % BITS_PER_MP_LIMB;
1388 	need_frac_digits = 1 + MANT_DIG - bits;
1399 	need_frac_digits = neg_exp_2 + MANT_DIG;
1404 	if (need_frac_digits > MANT_DIG - MIN_EXP + 2)
1405 	  need_frac_digits = MANT_DIG - MIN_EXP + 2;
1529 		  if (BITS_PER_MP_LIMB - cnt > MANT_DIG)		      \
1531 		      used = MANT_DIG + cnt;				      \
1533 		      bits = MANT_DIG + 1;				      \
1545 	      else if (bits + BITS_PER_MP_LIMB <= MANT_DIG)		      \
1550 		  used = MANT_DIG - bits;				      \
1558 	  while (bits <= MANT_DIG);
1589 		      if (bits + BITS_PER_MP_LIMB <= MANT_DIG)
1594 			  used = MANT_DIG - bits;
1610 	  while (bits <= MANT_DIG)
1681 		  if (bits + empty * BITS_PER_MP_LIMB <= MANT_DIG)
1700 		      used = MANT_DIG - bits;
1734 	  while (bits <= MANT_DIG)