I am trying to run the step-32 example program (Boussinesq convection in
a spherical shell) and have been running into compilation problems.
Specifically, I get the following error upon trying to make the project
(making no changes to the code):
$HOME/dealii/deal.II-7.1.0/
include/deal.II/lac/trilinos_vector_base.h(84): error: implicitly
generated assignment operator cannot copy:
reference member
"dealii::TrilinosWrappers::internal::VectorReference::vector"
const member
"dealii::TrilinosWrappers::internal::VectorReference::index"
class VectorReference
^
detected during:
implicit generation of
"dealii::TrilinosWrappers::internal::VectorReference
&dealii::TrilinosWrappers::internal::VectorReference::operator=(const
dealii::TrilinosWrappers::internal::VectorReference &)" at line 4031 of
Interesting. Does the attached patch help?
Best
W.
------------------------------------------------------------------------
Wolfgang Bangerth email: [email protected]
www: http://www.math.tamu.edu/~bangerth/
Index: include/deal.II/lac/trilinos_vector_base.h
===================================================================
--- include/deal.II/lac/trilinos_vector_base.h (revision 24738)
+++ include/deal.II/lac/trilinos_vector_base.h (working copy)
@@ -121,6 +121,13 @@
const VectorReference &
operator = (const VectorReference &r) const;
+ /**
+ * Same as above but for non-const
+ * reference objects.
+ */
+ const VectorReference &
+ operator = (const VectorReference &r);
+
/**
* Set the referenced element of the
* vector to <tt>s</tt>.
@@ -1043,6 +1050,17 @@
inline
const VectorReference &
+ VectorReference::operator = (const VectorReference &r)
+ {
+ // as above
+ *this = static_cast<TrilinosScalar> (r);
+
+ return *this;
+ }
+
+
+ inline
+ const VectorReference &
VectorReference::operator = (const TrilinosScalar &value) const
{
vector.set (1, &index, &value);
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