Author: stian
Branch: math-improvements
Changeset: r92995:f09288ca6bf9
Date: 2017-11-12 10:36 +0100
http://bitbucket.org/pypy/pypy/changeset/f09288ca6bf9/
Log: Tweak comment about why we don't do it unsigned.
diff --git a/rpython/rlib/rbigint.py b/rpython/rlib/rbigint.py
--- a/rpython/rlib/rbigint.py
+++ b/rpython/rlib/rbigint.py
@@ -2117,7 +2117,7 @@
wm1 = w.widedigit(abs(size_w-1))
wm2 = w.widedigit(abs(size_w-2))
-
+
j = size_v - 1
k -= 1
while k >= 0:
@@ -2132,7 +2132,7 @@
vtop = v.widedigit(j) << SHIFT
vv = vtop | v.digit(abs(j-1))
- # These two hints to make division just as fast as doing it unsigned.
+ # Hints to make division just as fast as doing it unsigned. But avoids
casting to get correct results.
assert vv >= 0
assert wm1 >= 1
q = vv / wm1
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