From 8b76dd9aa6d9840564ca115b3a2b4b209ee05de9 Mon Sep 17 00:00:00 2001
From: "denis.davydov" <denis.davydov@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Wed, 5 Mar 2014 16:00:24 +0000
Subject: [PATCH] adopted to the recently introduced Vector<Number>::operator=
 (const PETScWrappers::MPI::Vector &) as advised by Martin Kronbichler

git-svn-id: https://svn.dealii.org/branches/branch_petscscalar_complex@32623 0785d39b-7218-0410-832d-ea1e28bc413d
---
 .../deal.II/lac/parallel_vector.templates.h   | 31 +++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/deal.II/include/deal.II/lac/parallel_vector.templates.h b/deal.II/include/deal.II/lac/parallel_vector.templates.h
index 252c5b926c..af145077fa 100644
--- a/deal.II/include/deal.II/lac/parallel_vector.templates.h
+++ b/deal.II/include/deal.II/lac/parallel_vector.templates.h
@@ -210,6 +210,33 @@ namespace parallel
 
 #ifdef DEAL_II_WITH_PETSC
 
+	namespace internal 
+	{ 
+	  template <typename PETSC_Number, typename Number> 
+	  void copy_petsc_vector (const PETSC_Number *petsc_start_ptr, 
+							  const PETSC_Number *petsc_end_ptr, 
+							  Number *ptr) 
+	  { 
+		std::copy(petsc_start_ptr, petsc_end_ptr, ptr); 
+	  } 
+
+	  template <typename PETSC_Number, typename Number> 
+	  void copy_petsc_vector (const std::complex<PETSC_Number> *petsc_start_ptr, 
+							  const std::complex<PETSC_Number> *petsc_end_ptr, 
+							  std::complex<Number> *ptr) 
+	  { 
+		std::copy(petsc_start_ptr, petsc_end_ptr, ptr); 
+	  } 
+
+	  template <typename PETSC_Number, typename Number> 
+	  void copy_petsc_vector (const std::complex<PETSC_Number> *petsc_start_ptr, 
+							  const std::complex<PETSC_Number> *petsc_end_ptr, 
+							  Number *ptr) 
+	  { 
+		AssertThrow(false, ExcMessage("Tried to copy complex -> real")); 
+	  } 
+	} 
+
     template <typename Number>
     Vector<Number> &
     Vector<Number>::operator = (const PETScWrappers::MPI::Vector &petsc_vec)
@@ -223,7 +250,7 @@ namespace parallel
       AssertThrow (ierr == 0, ExcPETScError(ierr));
 
       const size_type vec_size = local_size();
-      std::copy (start_ptr, start_ptr + vec_size, begin());
+      internal::copy_petsc_vector (start_ptr, start_ptr + vec_size, begin());
 
       // restore the representation of the vector
       ierr = VecRestoreArray (static_cast<const Vec &>(petsc_vec), &start_ptr);
@@ -236,7 +263,7 @@ namespace parallel
       // return a pointer to this object per normal c++ operator overloading
       // semantics
       return *this;
-    }
+    }  
 
 #endif
 
-- 
2.39.5