Solve the issue found by Timothy in solveTriangular:

=> row-major rhs are now evaluated to a column-major
     temporary before the computations.
Add solveInPlace in Cholesky*

test/sparse.cpp

@@ -217,6 +217,10 @@ template<typename Scalar> void sparse(int rows, int cols)
     // TODO test row major
   }
 
+  // test Cholesky
+  {
+  }
+
 }
 
 void test_sparse()