# HG changeset patch
# User Rik <rik@octave.org>
# Date 1401728725 25200
# Node ID 99d63a2e221b705761d831c2f142de763c4291ce
# Parent  59975c3cea6b3f84f78a3b9c0cf5a2f295385dbe
Mark internal sparse matrix implementation of atan2 as deprecated.

* NEWS: Announce deprecation.

* dSparse.h: Add GCC_ATTR_DEPRECATED to atan2 prototype declarations.

diff -r 59975c3cea6b -r 99d63a2e221b NEWS
--- a/NEWS	Mon Jun 02 09:00:22 2014 -0700
+++ b/NEWS	Mon Jun 02 10:05:25 2014 -0700
@@ -46,6 +46,11 @@
 
       allow_noninteger_range_as_index
       do_braindead_shortcircuit_evaluation
+      
+    The internal function atan2 of the sparse matrix class has been deprecated
+    in Octave 4.0 and will be removed from Octave 4.4 (or whatever version is
+    the second major release after 4.0).  Use the Fatan2 function with sparse
+    inputs as a replacement.
 
 ---------------------------------------------------------
 
diff -r 59975c3cea6b -r 99d63a2e221b liboctave/array/dSparse.h
--- a/liboctave/array/dSparse.h	Mon Jun 02 09:00:22 2014 -0700
+++ b/liboctave/array/dSparse.h	Mon Jun 02 10:05:25 2014 -0700
@@ -120,10 +120,13 @@
   friend OCTAVE_API SparseMatrix real (const SparseComplexMatrix& a);
   friend OCTAVE_API SparseMatrix imag (const SparseComplexMatrix& a);
 
-  friend OCTAVE_API SparseMatrix atan2 (const double& x, const SparseMatrix& y);
-  friend OCTAVE_API SparseMatrix atan2 (const SparseMatrix& x, const double& y);
+  friend OCTAVE_API SparseMatrix atan2 (const double& x, const SparseMatrix& y)
+                                        GCC_ATTR_DEPRECATED ;
+  friend OCTAVE_API SparseMatrix atan2 (const SparseMatrix& x, const double& y)
+                                        GCC_ATTR_DEPRECATED ; 
   friend OCTAVE_API SparseMatrix atan2 (const SparseMatrix& x,
-                                        const SparseMatrix& y);
+                                        const SparseMatrix& y)
+                                        GCC_ATTR_DEPRECATED ;
 
   SparseMatrix transpose (void) const
   {