mpfr/src/div.c

148   mpfr_limb_ptr q0p = MPFR_MANT(q), qp;
325             MPN_COPY (q0p, qp + 1, q0size);
328               mpn_rshift (q0p, qp + 1, q0size, 1);
329               q0p[q0size - 1] ^= MPFR_LIMB_HIGHBIT;
331           q0p[0] &= ~MPFR_LIMB_MASK(sh); /* put to zero low sh bits */
383       qp = q0p; /* directly put the quotient in the destination */
464       MPN_COPY (q0p, qp + 1, q0size);
743   qh -= mpn_sub_1 (q0p, q0p, q0size, MPFR_LIMB_ONE << sh);
747   qh -= mpn_sub_1 (q0p, q0p, q0size, MPFR_LIMB_ONE << sh);
754       q0p[q0size - 1] = MPFR_LIMB_HIGHBIT;
759   inex = (q0p[0] & (MPFR_LIMB_ONE << sh)) ? 1 : -1;
766   if (mpn_add_1 (q0p, q0p, q0size, MPFR_LIMB_ONE << sh))
769       q0p[q0size - 1] = MPFR_LIMB_HIGHBIT;