* mpn/generic/tdiv_qr.c, mpq/get_d.c, mpf/div.c, mpf/set_q.c,

	mpf/set_str.c, mpf/ui_div.c: Test for high bit set, not for
	count_leading_zeros zero.

1 files changed, 4 insertions, 4 deletions

diff --git a/mpf/set_q.c b/mpf/set_q.c
index 33b43b532..ef62b832d 100644
--- a/mpf/set_q.c
+++ b/mpf/set_q.c
@@ -31,7 +31,6 @@ mpf_set_q (mpf_t r, mpq_srcptr q)
   mp_size_t nsize, dsize;
   mp_size_t qsize, rsize;
   mp_size_t sign_quotient;
-  unsigned normalization_steps;
   mp_limb_t qlimb;
   mp_ptr qp;
   mp_size_t prec;
@@ -76,15 +75,16 @@ mpf_set_q (mpf_t r, mpq_srcptr q)
   rsize = MAX (nsize, dsize);
   rp = (mp_ptr) TMP_ALLOC ((rsize + 1) * BYTES_PER_MP_LIMB);
 
-  count_leading_zeros (normalization_steps, dp[dsize - 1]);
-
   /* Normalize the denominator, i.e. make its most significant bit set by
      shifting it NORMALIZATION_STEPS bits to the left.  Also shift the
      numerator the same number of steps (to keep the quotient the same!).  */
-  if (normalization_steps != 0)
+  if (! (dp[dsize-1] & MP_LIMB_T_HIGHBIT))
     {
       mp_ptr tp;
       mp_limb_t nlimb;
+      unsigned normalization_steps;
+
+      count_leading_zeros (normalization_steps, dp[dsize - 1]);
 
       /* Shift up the denominator setting the most significant bit of
 	 the most significant limb.  Use temporary storage not to clobber