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Diffstat (limited to 'test/eigen2/eigen2_submatrices.cpp')
| -rw-r--r-- | test/eigen2/eigen2_submatrices.cpp | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/test/eigen2/eigen2_submatrices.cpp b/test/eigen2/eigen2_submatrices.cpp deleted file mode 100644 index dee970b63..000000000 --- a/test/eigen2/eigen2_submatrices.cpp +++ /dev/null @@ -1,142 +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) 2006-2008 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" - -// check minor separately in order to avoid the possible creation of a zero-sized -// array. Comes from a compilation error with gcc-3.4 or gcc-4 with -ansi -pedantic. -// Another solution would be to declare the array like this: T m_data[Size==0?1:Size]; in ei_matrix_storage -// but this is probably not bad to raise such an error at compile time... -template<typename Scalar, int _Rows, int _Cols> struct CheckMinor -{ - typedef Matrix<Scalar, _Rows, _Cols> MatrixType; - CheckMinor(MatrixType& m1, int r1, int c1) - { - int rows = m1.rows(); - int cols = m1.cols(); - - Matrix<Scalar, Dynamic, Dynamic> mi = m1.minor(0,0).eval(); - VERIFY_IS_APPROX(mi, m1.block(1,1,rows-1,cols-1)); - mi = m1.minor(r1,c1); - VERIFY_IS_APPROX(mi.transpose(), m1.transpose().minor(c1,r1)); - //check operator(), both constant and non-constant, on minor() - m1.minor(r1,c1)(0,0) = m1.minor(0,0)(0,0); - } -}; - -template<typename Scalar> struct CheckMinor<Scalar,1,1> -{ - typedef Matrix<Scalar, 1, 1> MatrixType; - CheckMinor(MatrixType&, int, int) {} -}; - -template<typename MatrixType> void submatrices(const MatrixType& m) -{ - /* this test covers the following files: - Row.h Column.h Block.h Minor.h DiagonalCoeffs.h - */ - typedef typename MatrixType::Scalar Scalar; - typedef typename MatrixType::RealScalar RealScalar; - typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType; - typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType; - int rows = m.rows(); - int cols = m.cols(); - - MatrixType m1 = MatrixType::Random(rows, cols), - m2 = MatrixType::Random(rows, cols), - m3(rows, cols), - ones = MatrixType::Ones(rows, cols), - square = Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> - ::Random(rows, rows); - VectorType v1 = VectorType::Random(rows); - - Scalar s1 = ei_random<Scalar>(); - - int r1 = ei_random<int>(0,rows-1); - int r2 = ei_random<int>(r1,rows-1); - int c1 = ei_random<int>(0,cols-1); - int c2 = ei_random<int>(c1,cols-1); - - //check row() and col() - VERIFY_IS_APPROX(m1.col(c1).transpose(), m1.transpose().row(c1)); - VERIFY_IS_APPROX(square.row(r1).eigen2_dot(m1.col(c1)), (square.lazy() * m1.conjugate())(r1,c1)); - //check operator(), both constant and non-constant, on row() and col() - m1.row(r1) += s1 * m1.row(r2); - m1.col(c1) += s1 * m1.col(c2); - - //check block() - Matrix<Scalar,Dynamic,Dynamic> b1(1,1); b1(0,0) = m1(r1,c1); - RowVectorType br1(m1.block(r1,0,1,cols)); - VectorType bc1(m1.block(0,c1,rows,1)); - VERIFY_IS_APPROX(b1, m1.block(r1,c1,1,1)); - VERIFY_IS_APPROX(m1.row(r1), br1); - VERIFY_IS_APPROX(m1.col(c1), bc1); - //check operator(), both constant and non-constant, on block() - m1.block(r1,c1,r2-r1+1,c2-c1+1) = s1 * m2.block(0, 0, r2-r1+1,c2-c1+1); - m1.block(r1,c1,r2-r1+1,c2-c1+1)(r2-r1,c2-c1) = m2.block(0, 0, r2-r1+1,c2-c1+1)(0,0); - - //check minor() - CheckMinor<Scalar, MatrixType::RowsAtCompileTime, MatrixType::ColsAtCompileTime> checkminor(m1,r1,c1); - - //check diagonal() - VERIFY_IS_APPROX(m1.diagonal(), m1.transpose().diagonal()); - m2.diagonal() = 2 * m1.diagonal(); - m2.diagonal()[0] *= 3; - VERIFY_IS_APPROX(m2.diagonal()[0], static_cast<Scalar>(6) * m1.diagonal()[0]); - - enum { - BlockRows = EIGEN_SIZE_MIN_PREFER_FIXED(MatrixType::RowsAtCompileTime,2), - BlockCols = EIGEN_SIZE_MIN_PREFER_FIXED(MatrixType::ColsAtCompileTime,5) - }; - if (rows>=5 && cols>=8) - { - // test fixed block() as lvalue - m1.template block<BlockRows,BlockCols>(1,1) *= s1; - // test operator() on fixed block() both as constant and non-constant - m1.template block<BlockRows,BlockCols>(1,1)(0, 3) = m1.template block<2,5>(1,1)(1,2); - // check that fixed block() and block() agree - Matrix<Scalar,Dynamic,Dynamic> b = m1.template block<BlockRows,BlockCols>(3,3); - VERIFY_IS_APPROX(b, m1.block(3,3,BlockRows,BlockCols)); - } - - if (rows>2) - { - // test sub vectors - VERIFY_IS_APPROX(v1.template start<2>(), v1.block(0,0,2,1)); - VERIFY_IS_APPROX(v1.template start<2>(), v1.start(2)); - VERIFY_IS_APPROX(v1.template start<2>(), v1.segment(0,2)); - VERIFY_IS_APPROX(v1.template start<2>(), v1.template segment<2>(0)); - int i = rows-2; - VERIFY_IS_APPROX(v1.template end<2>(), v1.block(i,0,2,1)); - VERIFY_IS_APPROX(v1.template end<2>(), v1.end(2)); - VERIFY_IS_APPROX(v1.template end<2>(), v1.segment(i,2)); - VERIFY_IS_APPROX(v1.template end<2>(), v1.template segment<2>(i)); - i = ei_random(0,rows-2); - VERIFY_IS_APPROX(v1.segment(i,2), v1.template segment<2>(i)); - } - - // stress some basic stuffs with block matrices - VERIFY(ei_real(ones.col(c1).sum()) == RealScalar(rows)); - VERIFY(ei_real(ones.row(r1).sum()) == RealScalar(cols)); - - VERIFY(ei_real(ones.col(c1).eigen2_dot(ones.col(c2))) == RealScalar(rows)); - VERIFY(ei_real(ones.row(r1).eigen2_dot(ones.row(r2))) == RealScalar(cols)); -} - -void test_eigen2_submatrices() -{ - for(int i = 0; i < g_repeat; i++) { - CALL_SUBTEST_1( submatrices(Matrix<float, 1, 1>()) ); - CALL_SUBTEST_2( submatrices(Matrix4d()) ); - CALL_SUBTEST_3( submatrices(MatrixXcf(3, 3)) ); - CALL_SUBTEST_4( submatrices(MatrixXi(8, 12)) ); - CALL_SUBTEST_5( submatrices(MatrixXcd(20, 20)) ); - CALL_SUBTEST_6( submatrices(MatrixXf(20, 20)) ); - } -} |