commit 62f21e2d11b3c34d4e3bc94fe11e59f57489084a
author Gael Guennebaud <g.gael@free.fr> Wed Jun 24 17:55:00 2015 +0200
committer Gael Guennebaud <g.gael@free.fr> Wed Jun 24 17:55:00 2015 +0200
tree 1231af0cf51badb2c72dca5c9631b0f1b3b1b22a
parent 763c833637d3918c32dc9c7ce5c9fcf647c7479b

Add support for sparse = diagonal

test/sparse_basic.cpp

diff --git a/test/sparse_basic.cpp b/test/sparse_basic.cpp
index 75f29a2..2ebf4d4 100644
--- a/test/sparse_basic.cpp
+++ b/test/sparse_basic.cpp
@@ -365,6 +365,18 @@
     VERIFY_IS_APPROX(m2, refMat2);
   }
   
+  // test diagonal to sparse
+  {
+    DenseVector d = DenseVector::Random(rows);
+    DenseMatrix refMat2 = d.asDiagonal();
+    SparseMatrixType m2(rows, rows);
+    m2 = d.asDiagonal();
+    VERIFY_IS_APPROX(m2, refMat2);
+    refMat2 += d.asDiagonal();
+    m2 += d.asDiagonal();
+    VERIFY_IS_APPROX(m2, refMat2);
+  }
+  
   // test conservative resize
   {
       std::vector< std::pair<StorageIndex,StorageIndex> > inc;