From: Lei Qiao <qiaol618@gmail.com>
Date: Fri, 2 Feb 2018 12:28:06 +0000 (+0800)
Subject: implement operator=() for Tensor<0,...>
X-Git-Tag: v9.0.0-rc1~453^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F5865%2Fhead;p=dealii.git

implement operator=() for Tensor<0,...>
---

diff --git a/include/deal.II/base/tensor.h b/include/deal.II/base/tensor.h
index 3664211322..e3bc3d3bc1 100644
--- a/include/deal.II/base/tensor.h
+++ b/include/deal.II/base/tensor.h
@@ -205,6 +205,11 @@ public:
   template <typename OtherNumber>
   Tensor<0,dim,Number> &operator = (const Tensor<0,dim,OtherNumber> &rhs);
 
+  /**
+   * Assignment from tensors with same underlying scalar type.
+   */
+  Tensor &operator = (const Tensor<0,dim,Number> &rhs);
+
   /**
    * This operator assigns a scalar to a tensor. This obviously requires
    * that the @p OtherNumber type is convertible to @p Number.
@@ -798,6 +803,15 @@ template <int dim, typename Number>
 template <typename OtherNumber>
 inline
 Tensor<0,dim,Number> &Tensor<0,dim,Number>::operator = (const Tensor<0,dim,OtherNumber> &p)
+{
+  value = internal::NumberType<Number>::value(p);
+  return *this;
+}
+
+
+template <int dim, typename Number>
+inline
+Tensor<0,dim,Number> &Tensor<0,dim,Number>::operator = (const Tensor<0,dim,Number> &p)
 {
   value = p.value;
   return *this;