X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FMLRsearch%2FWidthArithmetics.py;h=21316c5441369e8079c2560edefe50f468d9f2f8;hp=81decfd12f1a538d35d192ecc6c1918a15151147;hb=52f109b0e14b5f192e2b7f0573e6cebb601d0651;hpb=8f9290d1594d35eb838c0c4c9d754b80a35e4a3a;ds=sidebyside

diff --git a/resources/libraries/python/MLRsearch/WidthArithmetics.py b/resources/libraries/python/MLRsearch/WidthArithmetics.py
index 81decfd12f..21316c5441 100644
--- a/resources/libraries/python/MLRsearch/WidthArithmetics.py
+++ b/resources/libraries/python/MLRsearch/WidthArithmetics.py
@@ -54,10 +54,12 @@ def halve_relative_width(relative_width, goal_width):
     fallback_width = 1.0 - math.sqrt(1.0 - relative_width)
     # Wig means Width In Goals.
     wig = math.log(1.0 - relative_width) / math.log(1.0 - goal_width)
-    cwig = math.ceil(wig)
-    if wig <= 2.0 or cwig != math.ceil(wig * ROUNDING_CONSTANT):
+    cwig = 2.0 * math.ceil(wig / 2.0)
+    fwig = 2.0 * math.ceil(wig * ROUNDING_CONSTANT / 2.0)
+    if wig <= 2.0 or cwig != fwig:
+        # Avoid too uneven splits.
         return fallback_width
-    coefficient = cwig // 2
+    coefficient = cwig / 2
     new_width = multiply_relative_width(goal_width, coefficient)
     return new_width