Minor edit: Move comments closer to the code they describe

Author: rhettinger

Lib/random.py

@@ -860,22 +860,23 @@ def binomialvariate(self, n=1, p=0.5):
             k = _floor((2.0 * a / us + b) * u + c)
             if k < 0 or k > n:
                 continue
+            v = random()
 
             # The early-out "squeeze" test substantially reduces
             # the number of acceptance condition evaluations.
-            v = random()
             if us >= 0.07 and v <= vr:
                 return k
 
-            # Acceptance-rejection test.
-            # Note, the original paper erroneously omits the call to log(v)
-            # when comparing to the log of the rescaled binomial distribution.
             if not setup_complete:
                 alpha = (2.83 + 5.1 / b) * spq
                 lpq = _log(p / (1.0 - p))
                 m = _floor((n + 1) * p)         # Mode of the distribution
                 h = _lgamma(m + 1) + _lgamma(n - m + 1)
                 setup_complete = True           # Only needs to be done once
+
+            # Acceptance-rejection test.
+            # Note, the original paper erroneously omits the call to log(v)
+            # when comparing to the log of the rescaled binomial distribution.
             v *= alpha / (a / (us * us) + b)
             if _log(v) <= h - _lgamma(k + 1) - _lgamma(n - k + 1) + (k - m) * lpq:
                 return k