Test.

ddsmt · Apr 22, 2024 · 24478e4 · 24478e4
1 parent 8ea5677
commit 24478e4
Show file tree

Hide file tree

Showing 2 changed files with 31 additions and 31 deletions.
diff --git a/ddsmt/mutators_bv.py b/ddsmt/mutators_bv.py
@@ -457,35 +457,35 @@ def __str__(self):
         return 'merge previous bit-width reductions'
 
 
-class BvMergeExtend:
-    """Merge nested zero_extend/sign_extend terms.
-
-    For example, ``((_ zero_extend 5) ((_ zero_extend 4) x))`` is transformed
-    into ``((zero_extend 9) x)``.
-    """
-
-    def filter(self, node):
-        return (is_indexed_operator_app(node, 'zero_extend') and \
-                is_indexed_operator_app(node[1], 'zero_extend')) or \
-               (is_indexed_operator_app(node, 'sign_extend') and
-                is_indexed_operator_app(node[1], 'sign_extend'))
-
-    def mutations(self, node):
-        op = 'sign_extend'
-        if is_indexed_operator_app(node, 'zero_extend'):
-            op = 'zero_extend'
-
-        n = node
-        ext = 0
-        while is_indexed_operator_app(n, op):
-            indices = get_indices(n[0], op)
-            ext += indices[0]
-            n = n[1]
-
-        return [Simplification({node.id: Node(('_', op, ext), n)}, [])]
-
-    def __str__(self):
-        return 'merge nested zero_extend/sign_extend'
+#class BvMergeExtend:
+#    """Merge nested zero_extend/sign_extend terms.
+#
+#    For example, ``((_ zero_extend 5) ((_ zero_extend 4) x))`` is transformed
+#    into ``((zero_extend 9) x)``.
+#    """
+#
+#    def filter(self, node):
+#        return (is_indexed_operator_app(node, 'zero_extend') and \
+#                is_indexed_operator_app(node[1], 'zero_extend')) or \
+#               (is_indexed_operator_app(node, 'sign_extend') and
+#                is_indexed_operator_app(node[1], 'sign_extend'))
+#
+#    def mutations(self, node):
+#        op = 'sign_extend'
+#        if is_indexed_operator_app(node, 'zero_extend'):
+#            op = 'zero_extend'
+#
+#        n = node
+#        ext = 0
+#        while is_indexed_operator_app(n, op):
+#            indices = get_indices(n[0], op)
+#            ext += indices[0]
+#            n = n[1]
+#
+#        return [Simplification({node.id: Node(('_', op, ext), n)}, [])]
+#
+#    def __str__(self):
+#        return 'merge nested zero_extend/sign_extend'
 
 
 def get_mutators():
@@ -506,7 +506,7 @@ def get_mutators():
         'BVTransformToBool': 'bv-to-bool',
         'BVZeroExtendPredicate': 'bv-zeroextend-pred',
         'BVReduceBW': 'bv-reduce-bitwidth',
-        'BvMergeExtend': 'bv-merge-extend',
+#        'BvMergeExtend': 'bv-merge-extend',
     }
 
 

diff --git a/ddsmt/tests/test_mutators_bv.py b/ddsmt/tests/test_mutators_bv.py
@@ -7,7 +7,7 @@
 def test_bv_get_mutators():
     d = mutators_bv.get_mutators()
     assert isinstance(d, dict)
-    assert len(d) == 15
+    assert len(d) == 14
 
 
 def test_bv_is_relevant():