From: Marco Costalba <mcostalba@gmail.com>
Date: Wed, 1 Jan 2014 12:43:58 +0000 (+0100)
Subject: Simplify move_importance(): take 3
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=29e0d8caa7ba4cda6c1d600887e7056e266f9dde

Simplify move_importance(): take 3

Use pow() of a negative number instead of 1/x

No functional change.
---

diff --git a/src/timeman.cpp b/src/timeman.cpp
index 013d5f46..5e9304d5 100644
--- a/src/timeman.cpp
+++ b/src/timeman.cpp
@@ -44,7 +44,7 @@ namespace {
 
   double move_importance(int ply) {
 
-    return 1 / pow((1 + exp((ply - xshift) / xscale)), skewfactor);
+    return pow((1 + exp((ply - xshift) / xscale)), -skewfactor);
   }