1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2011 Jitse Niesen <jitse (at) maths.leeds.ac.uk> 5 // 6 // This Source Code Form is subject to the terms of the Mozilla 7 // Public License v. 2.0. If a copy of the MPL was not distributed 8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10 #include "matrix_functions.h" 11 12 template<typename MatrixType> 13 void testMatrixSqrt(const MatrixType& m) 14 { 15 MatrixType A; 16 generateTestMatrix<MatrixType>::run(A, m.rows()); 17 MatrixType sqrtA = A.sqrt(); 18 VERIFY_IS_APPROX(sqrtA * sqrtA, A); 19 } 20 21 void test_matrix_square_root() 22 { 23 for (int i = 0; i < g_repeat; i++) { 24 CALL_SUBTEST_1(testMatrixSqrt(Matrix3cf())); 25 CALL_SUBTEST_2(testMatrixSqrt(MatrixXcd(12,12))); 26 CALL_SUBTEST_3(testMatrixSqrt(Matrix4f())); 27 CALL_SUBTEST_4(testMatrixSqrt(Matrix<double,Dynamic,Dynamic,RowMajor>(9, 9))); 28 CALL_SUBTEST_5(testMatrixSqrt(Matrix<float,1,1>())); 29 CALL_SUBTEST_5(testMatrixSqrt(Matrix<std::complex<float>,1,1>())); 30 } 31 } 32