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98 lines
4.1 KiB
98 lines
4.1 KiB
// 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) 2015 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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void check(bool b, bool ref)
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{
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std::cout << b;
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if(b==ref)
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std::cout << " OK ";
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else
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std::cout << " BAD ";
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}
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#if STORMEIGEN_COMP_MSVC && STORMEIGEN_COMP_MSVC < 1800
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namespace std {
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template<typename T> bool (isfinite)(T x) { return _finite(x); }
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template<typename T> bool (isnan)(T x) { return _isnan(x); }
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template<typename T> bool (isinf)(T x) { return _fpclass(x)==_FPCLASS_NINF || _fpclass(x)==_FPCLASS_PINF; }
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}
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#endif
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template<typename T>
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void check_inf_nan(bool dryrun) {
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Matrix<T,Dynamic,1> m(10);
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m.setRandom();
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m(3) = std::numeric_limits<T>::quiet_NaN();
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if(dryrun)
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{
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std::cout << "std::isfinite(" << m(3) << ") = "; check((std::isfinite)(m(3)),false); std::cout << " ; numext::isfinite = "; check((numext::isfinite)(m(3)), false); std::cout << "\n";
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std::cout << "std::isinf(" << m(3) << ") = "; check((std::isinf)(m(3)),false); std::cout << " ; numext::isinf = "; check((numext::isinf)(m(3)), false); std::cout << "\n";
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std::cout << "std::isnan(" << m(3) << ") = "; check((std::isnan)(m(3)),true); std::cout << " ; numext::isnan = "; check((numext::isnan)(m(3)), true); std::cout << "\n";
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std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
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std::cout << "hasNaN: "; check(m.hasNaN(), 1); std::cout << "\n";
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std::cout << "\n";
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}
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else
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{
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VERIFY( !(numext::isfinite)(m(3)) );
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VERIFY( !(numext::isinf)(m(3)) );
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VERIFY( (numext::isnan)(m(3)) );
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VERIFY( !m.allFinite() );
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VERIFY( m.hasNaN() );
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}
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m(4) /= 0.0;
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if(dryrun)
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{
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std::cout << "std::isfinite(" << m(4) << ") = "; check((std::isfinite)(m(4)),false); std::cout << " ; numext::isfinite = "; check((numext::isfinite)(m(4)), false); std::cout << "\n";
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std::cout << "std::isinf(" << m(4) << ") = "; check((std::isinf)(m(4)),true); std::cout << " ; numext::isinf = "; check((numext::isinf)(m(4)), true); std::cout << "\n";
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std::cout << "std::isnan(" << m(4) << ") = "; check((std::isnan)(m(4)),false); std::cout << " ; numext::isnan = "; check((numext::isnan)(m(4)), false); std::cout << "\n";
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std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
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std::cout << "hasNaN: "; check(m.hasNaN(), 1); std::cout << "\n";
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std::cout << "\n";
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}
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else
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{
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VERIFY( !(numext::isfinite)(m(4)) );
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VERIFY( (numext::isinf)(m(4)) );
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VERIFY( !(numext::isnan)(m(4)) );
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VERIFY( !m.allFinite() );
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VERIFY( m.hasNaN() );
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}
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m(3) = 0;
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if(dryrun)
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{
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std::cout << "std::isfinite(" << m(3) << ") = "; check((std::isfinite)(m(3)),true); std::cout << " ; numext::isfinite = "; check((numext::isfinite)(m(3)), true); std::cout << "\n";
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std::cout << "std::isinf(" << m(3) << ") = "; check((std::isinf)(m(3)),false); std::cout << " ; numext::isinf = "; check((numext::isinf)(m(3)), false); std::cout << "\n";
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std::cout << "std::isnan(" << m(3) << ") = "; check((std::isnan)(m(3)),false); std::cout << " ; numext::isnan = "; check((numext::isnan)(m(3)), false); std::cout << "\n";
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std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
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std::cout << "hasNaN: "; check(m.hasNaN(), 0); std::cout << "\n";
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std::cout << "\n\n";
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}
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else
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{
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VERIFY( (numext::isfinite)(m(3)) );
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VERIFY( !(numext::isinf)(m(3)) );
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VERIFY( !(numext::isnan)(m(3)) );
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VERIFY( !m.allFinite() );
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VERIFY( !m.hasNaN() );
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}
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}
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void test_fastmath() {
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std::cout << "*** float *** \n\n"; check_inf_nan<float>(true);
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std::cout << "*** double ***\n\n"; check_inf_nan<double>(true);
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std::cout << "*** long double *** \n\n"; check_inf_nan<long double>(true);
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check_inf_nan<float>(false);
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check_inf_nan<double>(false);
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check_inf_nan<long double>(false);
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}
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