Add docs for complex number fixes

Author: shoyer

doc/api-hidden.rst

@@ -40,7 +40,9 @@
    Dataset.clip
    Dataset.conj
    Dataset.conjugate
+   Dataset.imag
    Dataset.round
+   Dataset.real
    Dataset.T
 
    DataArray.ndim
@@ -80,8 +82,10 @@
    DataArray.clip
    DataArray.conj
    DataArray.conjugate
+   DataArray.imag
    DataArray.searchsorted
    DataArray.round
+   DataArray.real
    DataArray.T
 
    ufuncs.angle

doc/api.rst

@@ -139,7 +139,9 @@ Computation
 :py:attr:`~Dataset.clip`
 :py:attr:`~Dataset.conj`
 :py:attr:`~Dataset.conjugate`
+:py:attr:`~Dataset.imag`
 :py:attr:`~Dataset.round`
+:py:attr:`~Dataset.real`
 :py:attr:`~Dataset.T`
 
 **Grouped operations**:
@@ -253,8 +255,10 @@ Computation
 :py:attr:`~DataArray.clip`
 :py:attr:`~DataArray.conj`
 :py:attr:`~DataArray.conjugate`
+:py:attr:`~DataArray.imag`
 :py:attr:`~DataArray.searchsorted`
 :py:attr:`~DataArray.round`
+:py:attr:`~DataArray.real`
 :py:attr:`~DataArray.T`
 
 **Grouped operations**:

doc/whats-new.rst

@@ -19,7 +19,19 @@ API Changes
   :py:meth:`~xray.DataArray.plot` was changed to provide more compatibility
   with matplotlib's `contour` and `contourf` functions (:issue:`538`).
   Now discrete lists of colors should be specified using `colors` keyword,
-  rather than `cmap`. 
+  rather than `cmap`.
+
+Enhancements
+~~~~~~~~~~~~
+
+- Add :py:attr:`~xray.Dataset.real` and :py:attr:`~xray.Dataset.imag`
+  attributes to Dataset and DataArray (:issue:`553`).
+
+Bug fixes
+~~~~~~~~~
+
+- Aggregation functions now correctly skip ``NaN`` for data for ``complex128``
+  dtype (:issue:`554`).
 
 v0.6.0 (21 August 2015)
 -----------------------