Merge pull request #4335 from fvisin/fix_elemwise

doc/extending/extending_theano.txt

@@ -875,43 +875,12 @@ Modify and execute to compute: numpy.add and numpy.subtract.
 Modify and execute the example to return two outputs: x + y
     and x - y.
 
+.. _Documentation:
 
-Documentation
--------------
-
-See :ref:`metadocumentation`, for some information on how to generate
-the documentation.
-
-Here is an example how to add docstring to a class.
-
-.. testcode:: python
-
-    import theano
-
-    class DoubleOp(theano.Op):
-        """ Double each element of a tensor.
-
-        :param x: input tensor.
-
-        :return: a tensor of the same shape and dtype as the input with all
-        values doubled.
-
-        :note:
-            this is a test note
-
-        :seealso:
-            You can use the elemwise op to replace this example.
-            Just execute `x * 2` with x being a Theano variable.
-
-        .. versionadded:: 0.6
-        """
-
-This is how it will show up for files that we auto-list in the library
-documentation:
-
-
-.. automodule:: theano.misc.doubleop
-    :members:
+Documentation and Coding Style
+------------------------------
+Please always respect the :ref:`quality_contributions` or your contribution 
+will not be accepted.
 
 NanGuardMode and AllocEmpty
 ---------------------------

doc/library/tensor/elemwise.txt

+===================================================================
+:mod:`tensor.elemwise` --  Tensor Elemwise
+===================================================================
+
+.. testsetup::
+
+   from theano.tensor.elemwise import *
+
+.. module:: tensor.elemwise
+   :platform: Unix, Windows
+   :synopsis: Tensor Elemwise
+.. moduleauthor:: LISA
+
+.. automodule:: theano.tensor.elemwise
+    :members:

doc/library/tensor/index.txt

@@ -23,6 +23,7 @@ They are grouped into the following sections:
     shared_randomstreams
     signal/index
     utils
+    elemwise
     extra_ops
     io
     opt

theano/misc/doubleop.py

@@ -5,19 +5,29 @@ import theano
 
 
 class DoubleOp(theano.Op):
-    """ Double each element of a tensor.
+    """
+    Double each element of a tensor.
 
-    :param x: input tensor.
+    Parameters
+    ----------
+    x : tensor
+        Input tensor
 
-    :return: a tensor of the same shape and dtype as the input with all
+    Returns
+    -------
+    tensor
+        a tensor of the same shape and dtype as the input with all
         values doubled.
 
-    :note:
+    Notes
+    -----
     this is a test note
 
-    :seealso:
-        You can use the elemwise op to replace this example.
-        Just execute `x * 2` with x being a Theano variable.
+    See Also
+    --------
+    :class:`~theano.tensor.elemwise.Elemwise` : You can use this to replace
+    this example.  Just execute `x * 2` with x being a Theano variable.
+
 
     .. versionadded:: 0.6
     """