Propagate compile-time size with "all" and add c++11 array unit test

1 files changed, 7 insertions, 3 deletions

diff --git a/Eigen/src/Core/ArithmeticSequence.h b/Eigen/src/Core/ArithmeticSequence.h
index 1e7812c8c..06b6b53eb 100644
--- a/Eigen/src/Core/ArithmeticSequence.h
+++ b/Eigen/src/Core/ArithmeticSequence.h
@@ -159,16 +159,16 @@ span(FirstType first, SizeType size)  {
 
 namespace internal {
 
-template<typename T, typename EnableIf = void> struct get_compile_time_size {
+template<typename T, int XprSize, typename EnableIf = void> struct get_compile_time_size {
   enum { value = -1 };
 };
 
-template<typename T> struct get_compile_time_size<T,typename internal::enable_if<((T::SizeAtCompileTime&0)==0)>::type> {
+template<typename T, int XprSize> struct get_compile_time_size<T,XprSize,typename internal::enable_if<((T::SizeAtCompileTime&0)==0)>::type> {
   enum { value = T::SizeAtCompileTime };
 };
 
 #ifdef EIGEN_HAS_CXX11
-template<typename T,int N> struct get_compile_time_size<std::array<T,N> > {
+template<typename T, int XprSize, int N> struct get_compile_time_size<std::array<T,N>,XprSize> {
   enum { value = N };
 };
 #endif
@@ -250,6 +250,10 @@ AllRange make_indexing(all_t , Index size) {
   return AllRange(size);
 }
 
+template<int XprSize> struct get_compile_time_size<AllRange,XprSize> {
+  enum { value = XprSize };
+};
+
 } // end namespace internal
 
 } // end namespace Eigen