Fixed flip function - matlab version problem

Signed-off-by: Nicola Vigano <nicola.vigano@esrf.fr>

zUtil_Imaging/GtPSF.m

@@ -102,7 +102,11 @@ classdef GtPSF < handle
             psf_d = cast(psf_d, self.data_type);
 
             % Let's find out whether they are symmetric or not
-            psf_a = flip(flip(psf_d, 1), 3);
+            if (verLessThan('matlab', '8.2.0'))
+                psf_a = flipdim(flipdim(psf_d, 1), 3); %#ok<DFLIPDIM>
+            else
+                psf_a = flip(flip(psf_d, 1), 3);
+            end
 
             is_sym = all(abs(psf_d(:) - psf_a(:)) < eps('single'));
 

zUtil_Imaging/gtESF2LSF.m

@@ -97,9 +97,17 @@ function lsf_line = gtESF2LSF(img, varargin)
     switch (conf.side)
         case 'both'
         case 'dark'
-            lsf(lsf_edge+2:end) = flip(lsf(1:lsf_edge));
+            if (verLessThan('matlab', '8.2.0'))
+                lsf(lsf_edge+2:end) = fliplr(lsf(1:lsf_edge));
+            else
+                lsf(lsf_edge+2:end) = flip(lsf(1:lsf_edge));
+            end
         case 'bright'
-            lsf(1:lsf_edge) = flip(lsf(lsf_edge+2:end));
+            if (verLessThan('matlab', '8.2.0'))
+                lsf(1:lsf_edge) = fliplr(lsf(lsf_edge+2:end));
+            else
+                lsf(1:lsf_edge) = flip(lsf(lsf_edge+2:end));
+            end
     end
     lsf(lsf < 0) = 0;
     if (~conf.keep_oversampling)