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authorNarayan Kamath <narayan@google.com>2012-11-02 10:59:05 +0000
committerXiaotao Duan <xiaotao@google.com>2012-11-07 14:17:48 -0800
commitc981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (patch)
tree54d1c7d66098154c1d7c5bd414394ef4cf255810 /test/diagonal.cpp
parent63f67d748682b46d58be31235a0a2d64d81b998c (diff)
downloadeigen-c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd.tar.gz
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
Diffstat (limited to 'test/diagonal.cpp')
-rw-r--r--test/diagonal.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/test/diagonal.cpp b/test/diagonal.cpp
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index 000000000..95cd10372
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+++ b/test/diagonal.cpp
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+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2006-2010 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"
+
+template<typename MatrixType> void diagonal(const MatrixType& m)
+{
+ typedef typename MatrixType::Index Index;
+ typedef typename MatrixType::Scalar Scalar;
+ typedef typename MatrixType::RealScalar RealScalar;
+ typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
+ typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType;
+
+ Index rows = m.rows();
+ Index cols = m.cols();
+
+ MatrixType m1 = MatrixType::Random(rows, cols),
+ m2 = MatrixType::Random(rows, cols);
+
+ //check diagonal()
+ VERIFY_IS_APPROX(m1.diagonal(), m1.transpose().diagonal());
+ m2.diagonal() = 2 * m1.diagonal();
+ m2.diagonal()[0] *= 3;
+
+ if (rows>2)
+ {
+ enum {
+ N1 = MatrixType::RowsAtCompileTime>1 ? 1 : 0,
+ N2 = MatrixType::RowsAtCompileTime>2 ? -2 : 0
+ };
+
+ // check sub/super diagonal
+ if(m1.template diagonal<N1>().RowsAtCompileTime!=Dynamic)
+ {
+ VERIFY(m1.template diagonal<N1>().RowsAtCompileTime == m1.diagonal(N1).size());
+ }
+ if(m1.template diagonal<N2>().RowsAtCompileTime!=Dynamic)
+ {
+ VERIFY(m1.template diagonal<N2>().RowsAtCompileTime == m1.diagonal(N2).size());
+ }
+
+ m2.template diagonal<N1>() = 2 * m1.template diagonal<N1>();
+ VERIFY_IS_APPROX(m2.template diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1));
+ m2.template diagonal<N1>()[0] *= 3;
+ VERIFY_IS_APPROX(m2.template diagonal<N1>()[0], static_cast<Scalar>(6) * m1.template diagonal<N1>()[0]);
+
+
+ m2.template diagonal<N2>() = 2 * m1.template diagonal<N2>();
+ m2.template diagonal<N2>()[0] *= 3;
+ VERIFY_IS_APPROX(m2.template diagonal<N2>()[0], static_cast<Scalar>(6) * m1.template diagonal<N2>()[0]);
+
+ m2.diagonal(N1) = 2 * m1.diagonal(N1);
+ VERIFY_IS_APPROX(m2.diagonal<N1>(), static_cast<Scalar>(2) * m1.diagonal(N1));
+ m2.diagonal(N1)[0] *= 3;
+ VERIFY_IS_APPROX(m2.diagonal(N1)[0], static_cast<Scalar>(6) * m1.diagonal(N1)[0]);
+
+ m2.diagonal(N2) = 2 * m1.diagonal(N2);
+ VERIFY_IS_APPROX(m2.diagonal<N2>(), static_cast<Scalar>(2) * m1.diagonal(N2));
+ m2.diagonal(N2)[0] *= 3;
+ VERIFY_IS_APPROX(m2.diagonal(N2)[0], static_cast<Scalar>(6) * m1.diagonal(N2)[0]);
+ }
+}
+
+void test_diagonal()
+{
+ for(int i = 0; i < g_repeat; i++) {
+ CALL_SUBTEST_1( diagonal(Matrix<float, 1, 1>()) );
+ CALL_SUBTEST_1( diagonal(Matrix<float, 4, 9>()) );
+ CALL_SUBTEST_1( diagonal(Matrix<float, 7, 3>()) );
+ CALL_SUBTEST_2( diagonal(Matrix4d()) );
+ CALL_SUBTEST_2( diagonal(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+ CALL_SUBTEST_2( diagonal(MatrixXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+ CALL_SUBTEST_2( diagonal(MatrixXcd(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+ CALL_SUBTEST_1( diagonal(MatrixXf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+ CALL_SUBTEST_1( diagonal(Matrix<float,Dynamic,4>(3, 4)) );
+ }
+}