Remove unsupported bit operations on Double

Signed-off-by: Stefan Marr <git@stefan-marr.de>

src/som/primitives/double_primitives.py

@@ -69,18 +69,6 @@ def _lessThan(ivkbl, frame, interpreter):
     frame.push(rcvr.prim_less_than(right, interpreter.get_universe()))
 
 
-def _and(ivkbl, frame, interpreter):
-    right = frame.pop()
-    rcvr  = frame.pop()
-    frame.push(rcvr.prim_and(right, interpreter.get_universe()))
-
-
-def _bitXor(ivkbl, frame, interpreter):
-    right = frame.pop()
-    rcvr  = frame.pop()
-    frame.push(rcvr.prim_bit_xor(right, interpreter.get_universe()))
-
-
 def _round(ivkbl, frame, interpreter):
     rcvr = frame.pop()
     int_value = int(round_double(rcvr.get_embedded_double(), 0))
@@ -100,6 +88,3 @@ class DoublePrimitives(Primitives):
         self._install_instance_primitive(Primitive("%",  self._universe, _mod))
         self._install_instance_primitive(Primitive("=",  self._universe, _equals))
         self._install_instance_primitive(Primitive("<",  self._universe, _lessThan))
-        
-        self._install_instance_primitive(Primitive("&",  self._universe, _and))
-        self._install_instance_primitive(Primitive("bitXor:",  self._universe, _bitXor))

src/som/vmobjects/double.py

@@ -55,10 +55,7 @@ class Double(AbstractObject):
         return universe.new_double(self._embedded_double + r)
 
     def prim_bit_xor(self, right, universe):
-        l = int(self._embedded_double)
-        r = int(self._get_float(right))
-        result = float(l ^ r)
-        return universe.new_double(result)
+        raise NotImplementedError("bit operations are unsupported on double")
 
     def prim_as_string(self, universe):
         s = formatd(self._embedded_double, "g", DTSF_STR_PRECISION, DTSF_ADD_DOT_0)
@@ -81,8 +78,7 @@ class Double(AbstractObject):
         return universe.new_double(math.fmod(self._embedded_double, r))
 
     def prim_and(self, right, universe):
-        r = int(self._get_float(right))
-        return universe.new_double(float(int(self._embedded_double) & r))
+        raise NotImplementedError("bit operations are unsupported on double")
 
     def prim_equals(self, right, universe):
         r = self._get_float(right)