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
12template<typename MatrixType>
13void 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
21void 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