From 05274219a7c5fdf04bfda089dc3f9eb2923fcc7e Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 4 Mar 2015 09:34:27 +0100
Subject: Add a CG-based solver for rectangular least-square problems (bug
 #975).

---
 test/lscg.cpp | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 test/lscg.cpp

(limited to 'test/lscg.cpp')

diff --git a/test/lscg.cpp b/test/lscg.cpp
new file mode 100644
index 000000000..599ed5619
--- /dev/null
+++ b/test/lscg.cpp
@@ -0,0 +1,29 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2011 Gael Guennebaud <g.gael@free.fr>
+//
+// This Source Code Form is subject to the terms of the Mozilla
+// Public License v. 2.0. If a copy of the MPL was not distributed
+// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "sparse_solver.h"
+#include <Eigen/IterativeLinearSolvers>
+
+template<typename T> void test_lscg_T()
+{
+  LSCG<SparseMatrix<T> > lscg_colmajor_diag;
+  LSCG<SparseMatrix<T>, IdentityPreconditioner> lscg_colmajor_I;
+
+  CALL_SUBTEST( check_sparse_square_solving(lscg_colmajor_diag)  );
+  CALL_SUBTEST( check_sparse_square_solving(lscg_colmajor_I)     );
+  
+  CALL_SUBTEST( check_sparse_leastsquare_solving(lscg_colmajor_diag)  );
+  CALL_SUBTEST( check_sparse_leastsquare_solving(lscg_colmajor_I)     );
+}
+
+void test_lscg()
+{
+  CALL_SUBTEST_1(test_lscg_T<double>());
+  CALL_SUBTEST_2(test_lscg_T<std::complex<double> >());
+}
-- 
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