Reintroducting changes.

pystencils/astnodes.py

@@ -377,8 +377,6 @@ class Block(Node):
         return tmp
 
     def replace(self, child, replacements):
-        if self._nodes.count(child) != 1:
-            print('here')
         assert self._nodes.count(child) == 1
         idx = self._nodes.index(child)
         del self._nodes[idx]

pystencils/transformations.py

@@ -773,7 +773,7 @@ def simplify_conditionals(node: ast.Node, loop_counter_simplification: bool = Fa
     """
     for conditional in node.atoms(ast.Conditional):
         # TODO simplify conditional before the type system! Casts make it very hard here
-        # conditional.condition_expr = sp.simplify(conditional.condition_expr)
+        conditional.condition_expr = sp.simplify(conditional.condition_expr)
         if conditional.condition_expr == sp.true:
             conditional.parent.replace(conditional, [conditional.true_block])
         elif conditional.condition_expr == sp.false: