[skip-ci] force all input images to have the same size in spam-ldic and spam-ddic

scripts/spam-ddic

@@ -109,11 +109,9 @@ if mpiRank == boss or not mpi:
     if len(lab1.shape) == 2: lab1 = lab1[numpy.newaxis, ...]
     if len(im2.shape)  == 2: im2  = im2[ numpy.newaxis, ...]
 
-    if (im1.shape != lab1.shape):
-        print("#############################################################")
-        print("#           im1 and lab1 have different shapes!!!           #")
-        print("#############################################################")
-
+    assert(im1.shape == im2.shape),  "\nim1 and im2 must have the same size! Exiting."
+    assert(im1.shape == lab1.shape), "\nim1 and lab1 must have the same size! Exiting."
+    
     ###############################################################
     # Analyse labelled volume in state 01 in order to get bounding
     # boxes and centres of mass for correlation

scripts/spam-ldic

@@ -139,6 +139,10 @@ if mpiRank == boss or not mpi:
         if len(im2.shape) == 2:
             im2 = im2[numpy.newaxis, ...]
 
+        assert(im1.shape == im2.shape), "\nim1 and im2 must have the same size! Exiting."
+        if args.MASK1:
+            assert(im1.shape == im1mask.shape), "\nim1 and im1mask must have the same size! Exiting."
+
         nodePositions, nodesDim = spam.DIC.grid.makeGrid(im1.shape, args.NS)
 
         # Initialise field of Fs with the identity matrix