47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
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// 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> void miscMatrices(const MatrixType& m)
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{
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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), 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>
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square(v1.asDiagonal());
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if(r==r2) VERIFY_IS_APPROX(square(r,r2), v1[r]);
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else 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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{
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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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