commit b26e6971825f2e78e2d2435603816d8897cc8930
author Gael Guennebaud <g.gael@free.fr> Mon Dec 01 14:41:39 2014 +0100
committer Gael Guennebaud <g.gael@free.fr> Mon Dec 01 14:41:39 2014 +0100
tree 418d24b21e6dac661decfc9323a3c8dffc9a01c1
parent b1f9f603a071e43c2823dbf8081d2669b0a5c717

Make SparseMatrix::coeff() returns a const reference and add a non const version of SparseMatrix::diagonal()

test/sparse_basic.cpp

diff --git a/test/sparse_basic.cpp b/test/sparse_basic.cpp
index 2380dfa..097959c 100644
--- a/test/sparse_basic.cpp
+++ b/test/sparse_basic.cpp
@@ -472,6 +472,12 @@
     SparseMatrixType m2(rows, cols);
     initSparse<Scalar>(density, refMat2, m2);
     VERIFY_IS_APPROX(m2.diagonal(), refMat2.diagonal().eval());
+    VERIFY_IS_APPROX(const_cast<const SparseMatrixType&>(m2).diagonal(), refMat2.diagonal().eval());
+    
+    initSparse<Scalar>(density, refMat2, m2, ForceNonZeroDiag);
+    m2.diagonal()      += refMat2.diagonal();
+    refMat2.diagonal() += refMat2.diagonal();
+    VERIFY_IS_APPROX(m2, refMat2);
   }
   
   // test conservative resize