* Compare most significant mantissa limb before trying to deduce anything from

  the limb count.

2 files changed, 15 insertions, 15 deletions

diff --git a/mpf/cmp_si.c b/mpf/cmp_si.c
index 01f970812..d2457a995 100644
--- a/mpf/cmp_si.c
+++ b/mpf/cmp_si.c
@@ -72,9 +72,15 @@ mpf_cmp_si (u, vslimb)
 
   up = u->_mp_d;
 
+  /* 3. Compare the most significant mantissa limb with V.  */
+  if (up[usize - 1] > vslimb)
+    return usign;
+  else if (up[usize - 1] < vslimb)
+    return -usign;
+
 #define STRICT_MPF_NORMALIZATION 0
 #if ! STRICT_MPF_NORMALIZATION
-  /* Ignore zeroes at the low end of U and V.  */
+  /* Ignore zeroes at the low end of U.  */
   while (*up == 0)
     {
       up++;
@@ -82,17 +88,11 @@ mpf_cmp_si (u, vslimb)
     }
 #endif
 
-  /* 3. Now, if the number of limbs are different, we have a difference
+  /* 4. Now, if the number of limbs are different, we have a difference
      since we have made sure the trailing limbs are not zero.  */
   if (usize > 1)
     return usign;
 
-  /* 4. Compare the mantissas.  */
-  if (*up > vslimb)
-    return usign;
-  else if (*up < vslimb)
-    return -usign;
-
   /* Wow, we got zero even if we tried hard to avoid it.  */
   return 0;
 }
diff --git a/mpf/cmp_ui.c b/mpf/cmp_ui.c
index 3a4911ba7..e38ceb4a5 100644
--- a/mpf/cmp_ui.c
+++ b/mpf/cmp_ui.c
@@ -54,6 +54,12 @@ mpf_cmp_ui (u, vlimb)
 
   up = u->_mp_d;
 
+  /* 3. Compare the most significant mantissa limb with V.  */
+  if (up[usize - 1] > vlimb)
+    return 1;
+  else if (up[usize - 1] < vlimb)
+    return -1;
+
 #define STRICT_MPF_NORMALIZATION 0
 #if ! STRICT_MPF_NORMALIZATION
   /* Ignore zeroes at the low end of U.  */
@@ -64,17 +70,11 @@ mpf_cmp_ui (u, vlimb)
     }
 #endif
 
-  /* 3. Now, if the number of limbs are different, we have a difference
+  /* 4. Now, if the number of limbs are different, we have a difference
      since we have made sure the trailing limbs are not zero.  */
   if (usize > 1)
     return 1;
 
-  /* 4. Compare the mantissas.  */
-  if (*up > vlimb)
-    return 1;
-  else if (*up < vlimb)
-    return -1;
-
   /* Wow, we got zero even if we tried hard to avoid it.  */
   return 0;
 }