reporting: make zerotol work for both graphs and reports

@report_series/printSeries.m

@@ -36,7 +36,7 @@ dataString = sprintf('%%.%df', precision);
 precision  = 10^precision;
 
 data = dser(dates);
-data = data.data;
+data = setDataToZeroFromZeroTol(o, data);
 for i=1:size(data,1)
     fprintf(fid, '&');
     if o.tableShowMarkers

@report_series/setDataToZeroFromZeroTol.m

+function d = setDataToZeroFromZeroTol(o, ds)
+%function d = setDataToZeroFromZeroTol(o, ds)
+
+% Copyright (C) 2014 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+d = ds.data;
+stz = bsxfun(@and, ...
+             bsxfun(@lt, d, o.zeroTol), ...
+             bsxfun(@gt, d, -o.zeroTol));
+if any(stz)
+    d(stz) = 0;
+end
+end
\ No newline at end of file

@report_series/writeSeriesForGraph.m

@@ -105,16 +105,7 @@ else
     ds = o.data(xrange);
 end
 
-% if graphing data that is within zeroTol, set to zero, create report_series and
-% get line:
-thedata = ds.data;
-stz = bsxfun(@and, ...
-             bsxfun(@lt, thedata, o.zeroTol), ...
-             bsxfun(@gt, thedata, -o.zeroTol));
-if any(stz)
-    thedata(stz) = 0;
-end
-
+thedata = setDataToZeroFromZeroTol(o, ds);
 fprintf(fid, '%%series %s\n\\addplot', o.data.name{:});
 writeLineOptions(o, fid);
 fprintf(fid,'\ntable[row sep=crcr]{\nx y\\\\\n');