From 43f1c3867bb917492b82e055472301fa9978457c Mon Sep 17 00:00:00 2001
From: Jordan Snelling <jordach.snelling@gmail.com>
Date: Thu, 18 Oct 2012 19:27:26 +0200
Subject: [PATCH] add in hmmmm's mapgen optimisation

---
 src/noise.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/noise.cpp b/src/noise.cpp
index 4a7fc87e7..e75fbf4bd 100644
--- a/src/noise.cpp
+++ b/src/noise.cpp
@@ -37,7 +37,7 @@ double dotProduct(double vx, double vy, double wx, double wy){
 }
  
 double easeCurve(double t){
-    return 6*pow(t,5)-15*pow(t,4)+10*pow(t,3);
+    return t * t * t * (6. * t * t - 15. * t + 10.);
 }
  
 double linearInterpolation(double x0, double x1, double t){