| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/MySQL/test/ (MySQL Server Version 8.1-8.4©) Datei vom 12.11.2025 mit Größe 1 kB |
|
Quelle special_numbers.cpp Sprache: C |
|||||||||
|
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra. // // Copyright (C) 2013 Gael Guennebaud <gael.guennebaud@inria.fr> // // This Source Code Form is subject to the terms of the Mozilla // Public License v. 2.0. If a copy of the MPL was not distributed // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. #include "main.h" template<typename Scalar> void special_numbers() { typedef Matrix<Scalar, Dynamic,Dynamic> MatType; int rows = internal::random<int>(1,300); int cols = internal::random<int>(1,300); Scalar nan = std::numeric_limits<Scalar>::quiet_NaN(); Scalar inf = std::numeric_limits<Scalar>::infinity(); Scalar s1 = internal::random<Scalar>(); MatType m1 = MatType::Random(rows,cols), mnan = MatType::Random(rows,cols), minf = MatType::Random(rows,cols), mboth = MatType::Random(rows,cols); int n = internal::random<int>(1,10); for(int k=0; k<n; ++k) { mnan(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = nan; minf(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = inf; } mboth = mnan + minf; VERIFY(!m1.hasNaN()); VERIFY(m1.allFinite()); VERIFY(mnan.hasNaN()); VERIFY((s1*mnan).hasNaN()); VERIFY(!minf.hasNaN()); VERIFY(!(2*minf).hasNaN()); VERIFY(mboth.hasNaN()); VERIFY(mboth.array().hasNaN()); VERIFY(!mnan.allFinite()); VERIFY(!minf.allFinite()); VERIFY(!(minf-mboth).allFinite()); VERIFY(!mboth.allFinite()); VERIFY(!mboth.array().allFinite()); } EIGEN_DECLARE_TEST(special_numbers) { for(int i = 0; i < 10*g_repeat; i++) { CALL_SUBTEST_1( special_numbers<float>() ); CALL_SUBTEST_1( special_numbers<double>() ); } } ¤ Dauer der Verarbeitung: 0.1 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
|
2026-03-28