commit 8a211bb1a96ae7b0512a719e23058660af1bad2b
author Gael Guennebaud <g.gael@free.fr> Sun Oct 25 22:01:58 2015 +0100
committer Gael Guennebaud <g.gael@free.fr> Sun Oct 25 22:01:58 2015 +0100
tree 5f648f504600adbb287f0ce1a2831aa892a4d6a0
parent ac6b2266b939200dfdcbe415b6ca592293f6d401

bug #1088: fix setIdenity for non-compressed sparse-matrix

test/sparse_basic.cpp

diff --git a/test/sparse_basic.cpp b/test/sparse_basic.cpp
index 993f784..e8ebd70 100644
--- a/test/sparse_basic.cpp
+++ b/test/sparse_basic.cpp
@@ -434,6 +434,20 @@
     SparseMatrixType m1(rows, rows);
     m1.setIdentity();
     VERIFY_IS_APPROX(m1, refMat1);
+    for(int k=0; k<rows*rows/4; ++k)
+    {
+      Index i = internal::random<Index>(0,rows-1);
+      Index j = internal::random<Index>(0,rows-1);
+      Index v = internal::random<Scalar>();
+      m1.coeffRef(i,j) = v;
+      refMat1.coeffRef(i,j) = v;
+      VERIFY_IS_APPROX(m1, refMat1);
+      if(internal::random<Index>(0,10)<2)
+        m1.makeCompressed();
+    }
+    m1.setIdentity();
+    refMat1.setIdentity();
+    VERIFY_IS_APPROX(m1, refMat1);
   }
 }