1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2011 Jitse Niesen <jitse@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>
testMatrixSqrt(const MatrixType & m)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
test_matrix_square_root()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