55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2013 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#include "main.h"
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template <typename Scalar>
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void special_numbers() {
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typedef Matrix<Scalar, Dynamic, Dynamic> MatType;
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int rows = internal::random<int>(1, 300);
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int cols = internal::random<int>(1, 300);
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Scalar nan = std::numeric_limits<Scalar>::quiet_NaN();
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Scalar inf = std::numeric_limits<Scalar>::infinity();
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Scalar s1 = internal::random<Scalar>();
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MatType m1 = MatType::Random(rows, cols), mnan = MatType::Random(rows, cols), minf = MatType::Random(rows, cols),
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mboth = MatType::Random(rows, cols);
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int n = internal::random<int>(1, 10);
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for (int k = 0; k < n; ++k) {
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mnan(internal::random<int>(0, rows - 1), internal::random<int>(0, cols - 1)) = nan;
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minf(internal::random<int>(0, rows - 1), internal::random<int>(0, cols - 1)) = inf;
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}
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mboth = mnan + minf;
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VERIFY(!m1.hasNaN());
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VERIFY(m1.allFinite());
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VERIFY(mnan.hasNaN());
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VERIFY((s1 * mnan).hasNaN());
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VERIFY(!minf.hasNaN());
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VERIFY(!(2 * minf).hasNaN());
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VERIFY(mboth.hasNaN());
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VERIFY(mboth.array().hasNaN());
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VERIFY(!mnan.allFinite());
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VERIFY(!minf.allFinite());
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VERIFY(!(minf - mboth).allFinite());
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VERIFY(!mboth.allFinite());
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VERIFY(!mboth.array().allFinite());
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}
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EIGEN_DECLARE_TEST(special_numbers) {
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for (int i = 0; i < 10 * g_repeat; i++) {
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CALL_SUBTEST_1(special_numbers<float>());
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CALL_SUBTEST_1(special_numbers<double>());
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}
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}
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