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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| 
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| #include "main.h"
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| 
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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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| 
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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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| 
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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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