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48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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template <typename MatrixType>
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void miscMatrices(const MatrixType& m) {
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/* this test covers the following files:
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DiagonalMatrix.h Ones.h
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*/
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typedef typename MatrixType::Scalar Scalar;
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typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
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Index rows = m.rows();
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Index cols = m.cols();
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Index r = internal::random<Index>(0, rows - 1), r2 = internal::random<Index>(0, rows - 1),
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c = internal::random<Index>(0, cols - 1);
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VERIFY_IS_APPROX(MatrixType::Ones(rows, cols)(r, c), static_cast<Scalar>(1));
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MatrixType m1 = MatrixType::Ones(rows, cols);
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VERIFY_IS_APPROX(m1(r, c), static_cast<Scalar>(1));
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VectorType v1 = VectorType::Random(rows);
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v1[0];
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Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime> square(v1.asDiagonal());
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if (r == r2)
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VERIFY_IS_APPROX(square(r, r2), v1[r]);
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else
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VERIFY_IS_MUCH_SMALLER_THAN(square(r, r2), static_cast<Scalar>(1));
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square = MatrixType::Zero(rows, rows);
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square.diagonal() = VectorType::Ones(rows);
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VERIFY_IS_APPROX(square, MatrixType::Identity(rows, rows));
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}
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EIGEN_DECLARE_TEST(miscmatrices) {
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for (int i = 0; i < g_repeat; i++) {
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CALL_SUBTEST_1(miscMatrices(Matrix<float, 1, 1>()));
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CALL_SUBTEST_2(miscMatrices(Matrix4d()));
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CALL_SUBTEST_3(miscMatrices(MatrixXcf(3, 3)));
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CALL_SUBTEST_4(miscMatrices(MatrixXi(8, 12)));
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CALL_SUBTEST_5(miscMatrices(MatrixXcd(20, 20)));
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}
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}
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