From 348971e4db95292b2301f41e84d005b272031800 Mon Sep 17 00:00:00 2001
From: Christian Mehlis <mehlis@inf.fu-berlin.de>
Date: Mon, 20 Jan 2014 14:58:44 +0100
Subject: [PATCH] trickle: replace call to pow (base of 2)

---
 sys/net/routing/rpl/trickle.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net/routing/rpl/trickle.c b/sys/net/routing/rpl/trickle.c
index ff08ac8f64..6ecc7a07c5 100644
--- a/sys/net/routing/rpl/trickle.c
+++ b/sys/net/routing/rpl/trickle.c
@@ -99,7 +99,7 @@ void start_trickle(uint8_t DIOIntMin, uint8_t DIOIntDoubl,
 {
     c = 0;
     k = DIORedundancyConstant;
-    Imin = pow(2, DIOIntMin);
+    Imin = (1 << DIOIntMin);
     Imax = DIOIntDoubl;
     /* Eigentlich laut Spezifikation erste Bestimmung von I wie auskommentiert: */
     /* I = Imin + ( rand() % ( (Imin << Imax) - Imin + 1 ) ); */