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59 lines
1.7 KiB
C++
59 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> void special_numbers()
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{
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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 = Scalar(0)/Scalar(0);
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Scalar inf = Scalar(1)/Scalar(0);
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Scalar s1 = internal::random<Scalar>();
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MatType m1 = MatType::Random(rows,cols),
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mnan = MatType::Random(rows,cols),
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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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{
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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.isFinite());
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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.isFinite());
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VERIFY(!minf.isFinite());
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VERIFY(!(minf-mboth).isFinite());
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VERIFY(!mboth.isFinite());
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VERIFY(!mboth.array().isFinite());
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}
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void test_special_numbers()
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{
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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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