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Diffstat (limited to 'eigen/test/eigen2/eigen2_triangular.cpp')
-rw-r--r-- | eigen/test/eigen2/eigen2_triangular.cpp | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/eigen/test/eigen2/eigen2_triangular.cpp b/eigen/test/eigen2/eigen2_triangular.cpp deleted file mode 100644 index 6f17b7d..0000000 --- a/eigen/test/eigen2/eigen2_triangular.cpp +++ /dev/null @@ -1,148 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. Eigen itself is part of the KDE project. -// -// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@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 triangular(const MatrixType& m) -{ - typedef typename MatrixType::Scalar Scalar; - typedef typename NumTraits<Scalar>::Real RealScalar; - - RealScalar largerEps = 10*test_precision<RealScalar>(); - - int rows = m.rows(); - int cols = m.cols(); - - MatrixType m1 = MatrixType::Random(rows, cols), - m2 = MatrixType::Random(rows, cols), - m3(rows, cols), - m4(rows, cols), - r1(rows, cols), - r2(rows, cols); - - MatrixType m1up = m1.template part<Eigen::UpperTriangular>(); - MatrixType m2up = m2.template part<Eigen::UpperTriangular>(); - - if (rows*cols>1) - { - VERIFY(m1up.isUpperTriangular()); - VERIFY(m2up.transpose().isLowerTriangular()); - VERIFY(!m2.isLowerTriangular()); - } - -// VERIFY_IS_APPROX(m1up.transpose() * m2, m1.upper().transpose().lower() * m2); - - // test overloaded operator+= - r1.setZero(); - r2.setZero(); - r1.template part<Eigen::UpperTriangular>() += m1; - r2 += m1up; - VERIFY_IS_APPROX(r1,r2); - - // test overloaded operator= - m1.setZero(); - m1.template part<Eigen::UpperTriangular>() = (m2.transpose() * m2).lazy(); - m3 = m2.transpose() * m2; - VERIFY_IS_APPROX(m3.template part<Eigen::LowerTriangular>().transpose(), m1); - - // test overloaded operator= - m1.setZero(); - m1.template part<Eigen::LowerTriangular>() = (m2.transpose() * m2).lazy(); - VERIFY_IS_APPROX(m3.template part<Eigen::LowerTriangular>(), m1); - - VERIFY_IS_APPROX(m3.template part<Diagonal>(), m3.diagonal().asDiagonal()); - - m1 = MatrixType::Random(rows, cols); - for (int i=0; i<rows; ++i) - while (ei_abs2(m1(i,i))<1e-3) m1(i,i) = ei_random<Scalar>(); - - Transpose<MatrixType> trm4(m4); - // test back and forward subsitution - m3 = m1.template part<Eigen::LowerTriangular>(); - VERIFY(m3.template marked<Eigen::LowerTriangular>().solveTriangular(m3).cwise().abs().isIdentity(test_precision<RealScalar>())); - VERIFY(m3.transpose().template marked<Eigen::UpperTriangular>() - .solveTriangular(m3.transpose()).cwise().abs().isIdentity(test_precision<RealScalar>())); - // check M * inv(L) using in place API - m4 = m3; - m3.transpose().template marked<Eigen::UpperTriangular>().solveTriangularInPlace(trm4); - VERIFY(m4.cwise().abs().isIdentity(test_precision<RealScalar>())); - - m3 = m1.template part<Eigen::UpperTriangular>(); - VERIFY(m3.template marked<Eigen::UpperTriangular>().solveTriangular(m3).cwise().abs().isIdentity(test_precision<RealScalar>())); - VERIFY(m3.transpose().template marked<Eigen::LowerTriangular>() - .solveTriangular(m3.transpose()).cwise().abs().isIdentity(test_precision<RealScalar>())); - // check M * inv(U) using in place API - m4 = m3; - m3.transpose().template marked<Eigen::LowerTriangular>().solveTriangularInPlace(trm4); - VERIFY(m4.cwise().abs().isIdentity(test_precision<RealScalar>())); - - m3 = m1.template part<Eigen::UpperTriangular>(); - VERIFY(m2.isApprox(m3 * (m3.template marked<Eigen::UpperTriangular>().solveTriangular(m2)), largerEps)); - m3 = m1.template part<Eigen::LowerTriangular>(); - VERIFY(m2.isApprox(m3 * (m3.template marked<Eigen::LowerTriangular>().solveTriangular(m2)), largerEps)); - - VERIFY((m1.template part<Eigen::UpperTriangular>() * m2.template part<Eigen::UpperTriangular>()).isUpperTriangular()); - - // test swap - m1.setOnes(); - m2.setZero(); - m2.template part<Eigen::UpperTriangular>().swap(m1); - m3.setZero(); - m3.template part<Eigen::UpperTriangular>().setOnes(); - VERIFY_IS_APPROX(m2,m3); - -} - -void selfadjoint() -{ - Matrix2i m; - m << 1, 2, - 3, 4; - - Matrix2i m1 = Matrix2i::Zero(); - m1.part<SelfAdjoint>() = m; - Matrix2i ref1; - ref1 << 1, 2, - 2, 4; - VERIFY(m1 == ref1); - - Matrix2i m2 = Matrix2i::Zero(); - m2.part<SelfAdjoint>() = m.part<UpperTriangular>(); - Matrix2i ref2; - ref2 << 1, 2, - 2, 4; - VERIFY(m2 == ref2); - - Matrix2i m3 = Matrix2i::Zero(); - m3.part<SelfAdjoint>() = m.part<LowerTriangular>(); - Matrix2i ref3; - ref3 << 1, 0, - 0, 4; - VERIFY(m3 == ref3); - - // example inspired from bug 159 - int array[] = {1, 2, 3, 4}; - Matrix2i::Map(array).part<SelfAdjoint>() = Matrix2i::Random().part<LowerTriangular>(); - - std::cout << "hello\n" << array << std::endl; -} - -void test_eigen2_triangular() -{ - CALL_SUBTEST_8( selfadjoint() ); - for(int i = 0; i < g_repeat ; i++) { - CALL_SUBTEST_1( triangular(Matrix<float, 1, 1>()) ); - CALL_SUBTEST_2( triangular(Matrix<float, 2, 2>()) ); - CALL_SUBTEST_3( triangular(Matrix3d()) ); - CALL_SUBTEST_4( triangular(MatrixXcf(4, 4)) ); - CALL_SUBTEST_5( triangular(Matrix<std::complex<float>,8, 8>()) ); - CALL_SUBTEST_6( triangular(MatrixXd(17,17)) ); - CALL_SUBTEST_7( triangular(Matrix<float,Dynamic,Dynamic,RowMajor>(5, 5)) ); - } -} |