1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2013 Gael Guennebaud <gael.guennebaud (at) inria.fr> 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 "main.h" 11 12 template<typename Scalar> void special_numbers() 13 { 14 typedef Matrix<Scalar, Dynamic,Dynamic> MatType; 15 int rows = internal::random<int>(1,300); 16 int cols = internal::random<int>(1,300); 17 18 Scalar nan = std::numeric_limits<Scalar>::quiet_NaN(); 19 Scalar inf = std::numeric_limits<Scalar>::infinity(); 20 Scalar s1 = internal::random<Scalar>(); 21 22 MatType m1 = MatType::Random(rows,cols), 23 mnan = MatType::Random(rows,cols), 24 minf = MatType::Random(rows,cols), 25 mboth = MatType::Random(rows,cols); 26 27 int n = internal::random<int>(1,10); 28 for(int k=0; k<n; ++k) 29 { 30 mnan(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = nan; 31 minf(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = inf; 32 } 33 mboth = mnan + minf; 34 35 VERIFY(!m1.hasNaN()); 36 VERIFY(m1.allFinite()); 37 38 VERIFY(mnan.hasNaN()); 39 VERIFY((s1*mnan).hasNaN()); 40 VERIFY(!minf.hasNaN()); 41 VERIFY(!(2*minf).hasNaN()); 42 VERIFY(mboth.hasNaN()); 43 VERIFY(mboth.array().hasNaN()); 44 45 VERIFY(!mnan.allFinite()); 46 VERIFY(!minf.allFinite()); 47 VERIFY(!(minf-mboth).allFinite()); 48 VERIFY(!mboth.allFinite()); 49 VERIFY(!mboth.array().allFinite()); 50 } 51 52 void test_special_numbers() 53 { 54 for(int i = 0; i < 10*g_repeat; i++) { 55 CALL_SUBTEST_1( special_numbers<float>() ); 56 CALL_SUBTEST_1( special_numbers<double>() ); 57 } 58 } 59
