*** div_ui.c	2000/12/21 17:08:37	1.18
--- div_ui.c	2001/08/21 15:02:05	1.20
***************
*** 67,72 ****
--- 67,78 ----
      }
  
    MPFR_CLEAR_INF(y);
+   
+   if (MPFR_IS_ZERO(x))
+     {
+       MPFR_SET_ZERO(y);
+       return 0;
+     }
  
    TMP_MARK(marker);
    xn = (MPFR_PREC(x)-1)/BITS_PER_MP_LIMB + 1;
***************
*** 95,104 ****
      c <<= sh;
      MPFR_EXP(y) += sh;
  #endif
!     c = mpn_divrem_1(tmp, dif, xp, xn, c);
    }
    else /* dif < 0 i.e. xn > yn */
!     c = mpn_divrem_1(tmp, 0, xp-dif, yn, c);
  
    if (tmp[yn]==0) { tmp--; sh=0; MPFR_EXP(y) -= BITS_PER_MP_LIMB; }
    /* shift left to normalize */
--- 101,110 ----
      c <<= sh;
      MPFR_EXP(y) += sh;
  #endif
!     c = mpn_divrem_1 (tmp, dif, xp, xn, c);
    }
    else /* dif < 0 i.e. xn > yn */
!     c = mpn_divrem_1 (tmp, 0, xp - dif, yn + 1, c);
  
    if (tmp[yn]==0) { tmp--; sh=0; MPFR_EXP(y) -= BITS_PER_MP_LIMB; }
    /* shift left to normalize */
***************
*** 108,114 ****
      yp[0] += tmp[0] >> (BITS_PER_MP_LIMB-sh);
      MPFR_EXP(y) -= sh; 
    }
!   else MPN_COPY(yp, tmp+1, yn);
  #ifdef DEBUG
    printf("y="); mpfr_print_raw(y); putchar('\n');
  #endif
--- 114,120 ----
      yp[0] += tmp[0] >> (BITS_PER_MP_LIMB-sh);
      MPFR_EXP(y) -= sh; 
    }
!   else MPN_COPY(yp, tmp + 1, yn);
  #ifdef DEBUG
    printf("y="); mpfr_print_raw(y); putchar('\n');
  #endif