Merge branch 'bauerd/fix-custom-code-node-eq' into 'master'

Fix typo in CustomCodeNode.__eq__

See merge request !361

pystencils/backends/cbackend.py

@@ -151,8 +151,8 @@ class CustomCodeNode(Node):
     def undefined_symbols(self):
         return self._symbols_read - self._symbols_defined
 
-    def __eq___(self, other):
-        return self._code == other._code
+    def __eq__(self, other):
+        return type(self) == type(other) and self._code == other._code
 
     def __hash__(self):
         return hash(self._code)

pystencils/rng.py

@@ -61,6 +61,15 @@ class RNGBase(CustomCodeNode):
         return ", ".join([str(s) for s in self.result_symbols]) + " \\leftarrow " + \
             self._name.capitalize() + "_RNG(" + ", ".join([str(a) for a in self.args]) + ")"
 
+    def _hashable_content(self):
+        return (self._name, *self.result_symbols, *self.args)
+
+    def __eq__(self, other):
+        return type(self) == type(other) and self._hashable_content() == other._hashable_content()
+
+    def __hash__(self):
+        return hash(self._hashable_content())
+
 
 class PhiloxTwoDoubles(RNGBase):
     _name = "philox_double2"