changes from friday

Functions/calc_ber.m

@@ -0,0 +1,28 @@
+function [bits,errors,BER] = calc_ber(data_in,data_ref,skip)
+
+data_ref=logical(data_ref);
+data_in = logical(data_in);
+bits = 0;
+errors=0;
+
+data_ref_overlap=zeros(size(data_ref,1),skip+(length(data_ref)-size(data_in,2)));
+data_ref_pointer=0;
+% Determine BER
+
+bits = bits+size(data_in,2)-skip;
+try
+    errors = sum( data_in(:,skip+1:end,:) ~= data_ref(:,skip+1:end,:),2 );
+catch
+    %warning('BER calculation not optimal: Arrays have incompatible sizes for this operation.')
+    errors = NaN;
+end
+try
+    errors = sum( data_in(:,skip+1:end,:) ~= data_ref(:,skip+1:end-1,:),2 );
+end
+try
+    errors = sum( data_in(:,skip+1:end,:) ~= data_ref(:,skip+1:end-2,:),2 );
+end
+
+BER = sum(errors)/sum(bits);
+
+end