Added to possibility to compile unit tests at maximum warning level.

Silenced (amongst others) many conversion related warnings.

1 files changed, 6 insertions, 3 deletions

diff --git a/Eigen/src/Sparse/SparseMatrix.h b/Eigen/src/Sparse/SparseMatrix.h
index 36fa123fb..e1c740cdb 100644
--- a/Eigen/src/Sparse/SparseMatrix.h
+++ b/Eigen/src/Sparse/SparseMatrix.h
@@ -138,7 +138,7 @@ class SparseMatrix
     }
 
     /** \returns the number of non zero coefficients */
-    inline int nonZeros() const  { return m_data.size(); }
+    inline int nonZeros() const  { return static_cast<int>(m_data.size()); }
 
     /** \deprecated use setZero() and reserve()
       * Initializes the filling process of \c *this.
@@ -236,7 +236,7 @@ class SparseMatrix
         // we start a new inner vector
         while (previousOuter>=0 && m_outerIndex[previousOuter]==0)
         {
-          m_outerIndex[previousOuter] = m_data.size();
+          m_outerIndex[previousOuter] = static_cast<int>(m_data.size());
           --previousOuter;
         }
         m_outerIndex[outer+1] = m_outerIndex[outer];
@@ -335,7 +335,7 @@ class SparseMatrix
       */
     inline void finalize()
     {
-      int size = m_data.size();
+      int size = static_cast<int>(m_data.size());
       int i = m_outerSize;
       // find the last filled column
       while (i>=0 && m_outerIndex[i]==0)
@@ -557,6 +557,9 @@ class SparseMatrix<Scalar,_Options>::InnerIterator
     int m_id;
     const int m_start;
     const int m_end;
+
+  private:
+    InnerIterator& operator=(const InnerIterator&);
 };
 
 #endif // EIGEN_SPARSEMATRIX_H