Initialize the 'matrix' and 'vector' members in the PETSc wrappers.

These members are of type 'Mat' and 'Vec', which are typedefed to pointers to otherwise
opaque types. Initialize these members to 'NULL'.

diff --git a/source/lac/petsc_matrix_base.cc b/source/lac/petsc_matrix_base.cc
index 350cd548421cde5e4adf61e9b6eab10c5ae95533..294a6ac4fdd82fb0a033659a99c131a25750aa10 100644 (file)
--- a/source/lac/petsc_matrix_base.cc
+++ b/source/lac/petsc_matrix_base.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2015 by the deal.II authors
+// Copyright (C) 2004 - 2016 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
@@ -76,6 +76,7 @@ namespace PETScWrappers
 
   MatrixBase::MatrixBase ()
     :
+    matrix (NULL),
     last_action (VectorOperation::unknown)
   {}
 

diff --git a/source/lac/petsc_vector_base.cc b/source/lac/petsc_vector_base.cc
index febffa9c45d8a1af6291b4f2c4df9023cb7a9a9f..185f78938889fd0872bbee8c164adb4e666c6b4a 100644 (file)
--- a/source/lac/petsc_vector_base.cc
+++ b/source/lac/petsc_vector_base.cc
@@ -1,6 +1,6 @@
 // ---------------------------------------------------------------------
 //
-// Copyright (C) 2004 - 2015 by the deal.II authors
+// Copyright (C) 2004 - 2016 by the deal.II authors
 //
 // This file is part of the deal.II library.
 //
@@ -150,6 +150,7 @@ namespace PETScWrappers
 
   VectorBase::VectorBase ()
     :
+    vector (NULL),
     ghosted(false),
     last_action (::dealii::VectorOperation::unknown),
     attained_ownership(true)