[136] | 1 | // This file is part of Eigen, a lightweight C++ template library
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| 2 | // for linear algebra.
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| 3 | //
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| 4 | // Copyright (C) 2013 Gael Guennebaud <gael.guennebaud@inria.fr>
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| 5 | //
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| 6 | // This Source Code Form is subject to the terms of the Mozilla
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| 7 | // Public License v. 2.0. If a copy of the MPL was not distributed
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| 8 | // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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| 9 |
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| 10 | #include "main.h"
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| 11 |
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| 12 | template<typename Scalar> void special_numbers()
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| 13 | {
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| 14 | typedef Matrix<Scalar, Dynamic,Dynamic> MatType;
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| 15 | int rows = internal::random<int>(1,300);
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| 16 | int cols = internal::random<int>(1,300);
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| 17 |
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| 18 | Scalar nan = std::numeric_limits<Scalar>::quiet_NaN();
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| 19 | Scalar inf = std::numeric_limits<Scalar>::infinity();
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| 20 | Scalar s1 = internal::random<Scalar>();
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| 21 |
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| 22 | MatType m1 = MatType::Random(rows,cols),
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| 23 | mnan = MatType::Random(rows,cols),
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| 24 | minf = MatType::Random(rows,cols),
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| 25 | mboth = MatType::Random(rows,cols);
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| 26 |
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| 27 | int n = internal::random<int>(1,10);
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| 28 | for(int k=0; k<n; ++k)
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| 29 | {
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| 30 | mnan(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = nan;
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| 31 | minf(internal::random<int>(0,rows-1), internal::random<int>(0,cols-1)) = inf;
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| 32 | }
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| 33 | mboth = mnan + minf;
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| 34 |
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| 35 | VERIFY(!m1.hasNaN());
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| 36 | VERIFY(m1.allFinite());
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| 37 |
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| 38 | VERIFY(mnan.hasNaN());
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| 39 | VERIFY((s1*mnan).hasNaN());
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| 40 | VERIFY(!minf.hasNaN());
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| 41 | VERIFY(!(2*minf).hasNaN());
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| 42 | VERIFY(mboth.hasNaN());
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| 43 | VERIFY(mboth.array().hasNaN());
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| 44 |
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| 45 | VERIFY(!mnan.allFinite());
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| 46 | VERIFY(!minf.allFinite());
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| 47 | VERIFY(!(minf-mboth).allFinite());
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| 48 | VERIFY(!mboth.allFinite());
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| 49 | VERIFY(!mboth.array().allFinite());
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| 50 | }
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| 51 |
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| 52 | void test_special_numbers()
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| 53 | {
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| 54 | for(int i = 0; i < 10*g_repeat; i++) {
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| 55 | CALL_SUBTEST_1( special_numbers<float>() );
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| 56 | CALL_SUBTEST_1( special_numbers<double>() );
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| 57 | }
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| 58 | }
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