--- a/src/misc.h	Fri Dec 06 00:29:44 2013 +0200
+++ b/src/misc.h	Fri Dec 06 20:53:36 2013 +0200
@@ -38,6 +38,8 @@
 // Simplifies the given fraction.
 void simplify (int& numer, int& denom);
 
+void roundToDecimals (double& a, int decimals);
+
 str join (initlist<StringFormatArg> vals, str delim = " ");
 
 // Grid stuff
@@ -138,13 +140,6 @@
 
 extern RingFinder g_RingFinder;
 
-// =============================================================================
-template<class T> void dataswap (T& a, T& b)
-{	T c = a;
-	a = b;
-	b = c;
-}
-
 // -----------------------------------------------------------------------------
 // Plural expression
 template<class T> static inline const char* plural (T n)