Fix bug #314:

- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std)
- remove the overloads for array expression that were in the std namespace

1 files changed, 9 insertions, 8 deletions

diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h b/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
index e87a28f6c..7d426640c 100644
--- a/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
+++ b/unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
@@ -235,6 +235,7 @@ void MatrixFunction<MatrixType,AtomicType,1>::computeSchurDecomposition()
 template <typename MatrixType, typename AtomicType>
 void MatrixFunction<MatrixType,AtomicType,1>::partitionEigenvalues()
 {
+  using std::abs;
   const Index rows = m_T.rows();
   VectorType diag = m_T.diagonal(); // contains eigenvalues of A
 
@@ -251,14 +252,14 @@ void MatrixFunction<MatrixType,AtomicType,1>::partitionEigenvalues()
 
     // Look for other element to add to the set
     for (Index j=i+1; j<rows; ++j) {
-      if (internal::abs(diag(j) - diag(i)) <= separation() && std::find(qi->begin(), qi->end(), diag(j)) == qi->end()) {
-	typename ListOfClusters::iterator qj = findCluster(diag(j));
-	if (qj == m_clusters.end()) {
-	  qi->push_back(diag(j));
-	} else {
-	  qi->insert(qi->end(), qj->begin(), qj->end());
-	  m_clusters.erase(qj);
-	}
+      if (abs(diag(j) - diag(i)) <= separation() && std::find(qi->begin(), qi->end(), diag(j)) == qi->end()) {
+        typename ListOfClusters::iterator qj = findCluster(diag(j));
+        if (qj == m_clusters.end()) {
+          qi->push_back(diag(j));
+        } else {
+          qi->insert(qi->end(), qj->begin(), qj->end());
+          m_clusters.erase(qj);
+        }
       }
     }
   }