Merge branch 'fix_slow_adapter' into 'NIFTy_5'

arguments need to be reversed

See merge request !291

nifty5/multi_field.py

@@ -56,7 +56,7 @@ class MultiField(object):
                                     'defined on DomainTuples.')
             domain = MultiDomain.make({key: v._domain
                                        for key, v in dict.items()})
-        res = tuple(dict[key] if key in dict else Field(dom, 0)
+        res = tuple(dict[key] if key in dict else Field(dom, 0.)
                     for key, dom in zip(domain.keys(), domain.domains()))
         return MultiField(domain, res)
 

nifty5/operators/simple_linear_operators.py

@@ -150,7 +150,8 @@ class _SlowFieldAdapter(LinearOperator):
         if isinstance(x, MultiField):
             return x[self._name]
         else:
-            return MultiField.from_dict(self._tgt(mode), {self._name: x})
+            return MultiField.from_dict({self._name: x},
+                                        domain=self._tgt(mode))
 
     def __repr__(self):
         return '_SlowFieldAdapter'