Initial import of eigen 3.1.1
Added a README.android and a MODULE_LICENSE_MPL2 file.
Added empty Android.mk and CleanSpec.mk to optimize Android build.
Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h.
Trying to include such files will lead to an error.
Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
diff --git a/test/upperbidiagonalization.cpp b/test/upperbidiagonalization.cpp
new file mode 100644
index 0000000..db6ce38
--- /dev/null
+++ b/test/upperbidiagonalization.cpp
@@ -0,0 +1,41 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2010 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// 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 "main.h"
+#include <Eigen/SVD>
+
+template<typename MatrixType> void upperbidiag(const MatrixType& m)
+{
+ const typename MatrixType::Index rows = m.rows();
+ const typename MatrixType::Index cols = m.cols();
+
+ typedef typename MatrixType::Scalar Scalar;
+ typedef Matrix<typename MatrixType::RealScalar, MatrixType::RowsAtCompileTime, MatrixType::ColsAtCompileTime> RealMatrixType;
+
+ MatrixType a = MatrixType::Random(rows,cols);
+ internal::UpperBidiagonalization<MatrixType> ubd(a);
+ RealMatrixType b(rows, cols);
+ b.setZero();
+ b.block(0,0,cols,cols) = ubd.bidiagonal();
+ MatrixType c = ubd.householderU() * b * ubd.householderV().adjoint();
+ VERIFY_IS_APPROX(a,c);
+}
+
+void test_upperbidiagonalization()
+{
+ for(int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_1( upperbidiag(MatrixXf(3,3)) );
+ CALL_SUBTEST_2( upperbidiag(MatrixXd(17,12)) );
+ CALL_SUBTEST_3( upperbidiag(MatrixXcf(20,20)) );
+ CALL_SUBTEST_4( upperbidiag(MatrixXcd(16,15)) );
+ CALL_SUBTEST_5( upperbidiag(Matrix<float,6,4>()) );
+ CALL_SUBTEST_6( upperbidiag(Matrix<float,5,5>()) );
+ CALL_SUBTEST_7( upperbidiag(Matrix<double,4,3>()) );
+ }
+}