[yaml] add sources

src/main/yaml/util/Floats.hx

@@ -0,0 +1,69 @@
+/*
+Copyright (c) 2012 Massive Interactive
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of 
+this software and associated documentation files (the "Software"), to deal in 
+the Software without restriction, including without limitation the rights to 
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
+of the Software, and to permit persons to whom the Software is furnished to do 
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all 
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+SOFTWARE.
+*/
+
+package yaml.util;
+
+/**
+Utility methods for working with float values.
+*/
+class Floats
+{
+	/**
+	Returns the string representation of a float.
+	
+	Under cpp will convert large floats with a positive exponent (eg date.getTime()) to a decimal string.
+		e.g 1.347420344e+12 -> 1347420344000
+	*/
+	public static function toString(value:Float):String
+	{
+		#if cpp
+		var str = Std.string(value);
+		if (str.indexOf("e+") != -1)
+		{
+			var parts = str.split(".");
+			var exp = parts[1].split("e+");
+			str = parts[0] + StringTools.rpad(exp[0], "0", Std.parseInt(exp[1]));
+		}
+		return str;
+		#else
+		return Std.string(value);
+		#end
+	}
+
+	/**
+	Rounds a value to a specific decimal precision
+	
+	Example:
+	<pre>
+	FloatUtil.round(1.6666667 3);//returns 1.667;
+	</pre>
+
+	@param value 		value to round
+	@param precision 	precision in decimals
+	@return the rounded value
+	*/
+	static public function round(value:Float, precision:Int):Float
+	{
+		value = value * Math.pow(10, precision);
+		return Math.round(value) / Math.pow(10, precision);
+	}
+}