Refactor

nifty6/multi_field.py

@@ -324,20 +324,20 @@ class MultiField(object):
             val = tuple(f(v1, other) for v1 in self._val)
         return MultiField(self._domain, val)
 
-    def _sinc_withjac(self):
-        return self._nontrivial_jac_helper('_sinc_withjac')
 
-    def _absolute_withjac(self):
-        return self._nontrivial_jac_helper('_absolute_withjac')
-
-    def _nontrivial_jac_helper(self, funcname):
+for op in ["sinc", "absolute"]:
+    ss = f'_{op}_withjac'
+    def func(ss):
+        def func2(self):
             val = self.to_dict()
             jac = {}
             for kk, vv in val.items():
-            val[kk], jac[kk] = getattr(vv, funcname)()
+                val[kk], jac[kk] = getattr(vv, ss)()
             val = MultiField.from_dict(val, self._domain)
             jac = MultiField.from_dict(jac, self._domain)
             return val, jac
+        return func2
+    setattr(MultiField, ss, func(ss))
 
 
 for op in ["__add__", "__radd__",