Accept eps=0 in mondriaanOpt Matlab functions

tools/MatlabMondriaanOpt.c

@@ -52,7 +52,7 @@ void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) {
 	Imbalance = ExtractDouble (prhs[1]);
 	Volume = (int)ExtractDouble (prhs[2]);
 	
-	if (Imbalance <= 0.0 || Imbalance >= 1.0) mexErrMsgTxt ("The imbalance should lie between 0 and 1!");
+	if (Imbalance < 0.0 || Imbalance > 1.0) mexErrMsgTxt ("The imbalance should lie between 0 and 1!");
 	
 	/* Convert matrix to a Mondriaan friendly format. */
 	MondriaanMatrix = ConvertMatlabToMondriaan(prhs[0]);

tools/mondriaanOpt.m

@@ -29,7 +29,7 @@ function [I, s] = mondriaanOpt(A, Imbalance, Volume)
         disp 'Error: the three arguments to mondriaanOpt function are mandatory!';
         return;
     end
-    if (Imbalance <= 0)
+    if (Imbalance < 0)
         disp('Invalid value for Imbalance');
         return;
     end

tools/mondriaanOptPlot.m

@@ -19,7 +19,7 @@ function mondriaanOptPlot(A, Imbalance, Volume)
         disp 'Error: the three arguments to mondriaanOptPlot function are mandatory!';
         return;
     end
-    if (Imbalance <= 0)
+    if (Imbalance < 0)
         disp('Invalid value for Imbalance');
         return;
     end