Squashed 'third_party/eigen/' changes from 61d72f6..cf794d3
Change-Id: I9b814151b01f49af6337a8605d0c42a3a1ed4c72
git-subtree-dir: third_party/eigen
git-subtree-split: cf794d3b741a6278df169e58461f8529f43bce5d
diff --git a/test/lscg.cpp b/test/lscg.cpp
new file mode 100644
index 0000000..d49ee00
--- /dev/null
+++ b/test/lscg.cpp
@@ -0,0 +1,37 @@
+// 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()
+{
+ LeastSquaresConjugateGradient<SparseMatrix<T> > lscg_colmajor_diag;
+ LeastSquaresConjugateGradient<SparseMatrix<T>, IdentityPreconditioner> lscg_colmajor_I;
+ LeastSquaresConjugateGradient<SparseMatrix<T,RowMajor> > lscg_rowmajor_diag;
+ LeastSquaresConjugateGradient<SparseMatrix<T,RowMajor>, IdentityPreconditioner> lscg_rowmajor_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) );
+
+ CALL_SUBTEST( check_sparse_square_solving(lscg_rowmajor_diag) );
+ CALL_SUBTEST( check_sparse_square_solving(lscg_rowmajor_I) );
+
+ CALL_SUBTEST( check_sparse_leastsquare_solving(lscg_rowmajor_diag) );
+ CALL_SUBTEST( check_sparse_leastsquare_solving(lscg_rowmajor_I) );
+}
+
+void test_lscg()
+{
+ CALL_SUBTEST_1(test_lscg_T<double>());
+ CALL_SUBTEST_2(test_lscg_T<std::complex<double> >());
+}