[Assorted-commits] SF.net SVN: assorted:[1488] cpp-commons/trunk/src/commons/math.h

[<yan...@us...>]

Revision: 1488
          http://assorted.svn.sourceforge.net/assorted/?rev=1488&view=rev
Author:   yangzhang
Date:     2009-10-14 18:04:49 +0000 (Wed, 14 Oct 2009)

Log Message:
-----------
added math.h

Added Paths:
-----------
    cpp-commons/trunk/src/commons/math.h

Added: cpp-commons/trunk/src/commons/math.h
===================================================================
--- cpp-commons/trunk/src/commons/math.h	                        (rev 0)
+++ cpp-commons/trunk/src/commons/math.h	2009-10-14 18:04:49 UTC (rev 1488)
@@ -0,0 +1,20 @@
+#ifndef COMMONS_MATH_H
+#define COMMONS_MATH_H
+
+#include <cmath>
+
+namespace commons {
+
+  using namespace std;
+
+  /* Round to integer. See also boost/math/special_functions/round.hpp. */
+  template<typename T>
+  T round(T x) { return floor(x + .5); }
+
+  /* Round number n to d decimal points. */
+  template<typename T, typename U>
+  T round(T n, U d) { return floor(n / pow(.1, d) + .5) * pow(.1, d); }
+
+}
+
+#endif


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.