| 1 | // This file is part of Eigen, a lightweight C++ template library
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| 2 | // for linear algebra.
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| 3 | //
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| 4 | // Copyright (C) 2011 Jitse Niesen <jitse@maths.leeds.ac.uk>
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| 5 | //
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| 6 | // This Source Code Form is subject to the terms of the Mozilla
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| 7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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| 8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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| 9 |
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| 10 | #include "matrix_functions.h"
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| 11 |
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| 12 | template<typename MatrixType>
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| 13 | void testMatrixSqrt(const MatrixType& m)
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| 14 | {
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| 15 | MatrixType A;
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| 16 | generateTestMatrix<MatrixType>::run(A, m.rows());
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| 17 | MatrixType sqrtA = A.sqrt();
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| 18 | VERIFY_IS_APPROX(sqrtA * sqrtA, A);
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| 19 | }
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| 20 |
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| 21 | void test_matrix_square_root()
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| 22 | {
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| 23 | for (int i = 0; i < g_repeat; i++) {
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| 24 | CALL_SUBTEST_1(testMatrixSqrt(Matrix3cf()));
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| 25 | CALL_SUBTEST_2(testMatrixSqrt(MatrixXcd(12,12)));
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| 26 | CALL_SUBTEST_3(testMatrixSqrt(Matrix4f()));
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| 27 | CALL_SUBTEST_4(testMatrixSqrt(Matrix<double,Dynamic,Dynamic,RowMajor>(9, 9)));
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| 28 | CALL_SUBTEST_5(testMatrixSqrt(Matrix<float,1,1>()));
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| 29 | CALL_SUBTEST_5(testMatrixSqrt(Matrix<std::complex<float>,1,1>()));
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| 30 | }
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| 31 | }
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