blob: e84bdc97232892eb1fbf7e20bc0a915ab3d93ab9 [file] [log] [blame]
// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2015 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"
void check(bool b, bool ref)
{
std::cout << b;
if(b==ref)
std::cout << " OK ";
else
std::cout << " BAD ";
}
#if EIGEN_COMP_MSVC && EIGEN_COMP_MSVC < 1800
namespace std {
template<typename T> bool (isfinite)(T x) { return _finite(x); }
template<typename T> bool (isnan)(T x) { return _isnan(x); }
template<typename T> bool (isinf)(T x) { return _fpclass(x)==_FPCLASS_NINF || _fpclass(x)==_FPCLASS_PINF; }
}
#endif
template<typename T>
void check_inf_nan(bool dryrun) {
Matrix<T,Dynamic,1> m(10);
m.setRandom();
m(3) = std::numeric_limits<T>::quiet_NaN();
if(dryrun)
{
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";
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";
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";
std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
std::cout << "hasNaN: "; check(m.hasNaN(), 1); std::cout << "\n";
std::cout << "\n";
}
else
{
if( (std::isfinite)(m(3))) g_test_level=1; VERIFY( !(numext::isfinite)(m(3)) ); g_test_level=0;
if( (std::isinf) (m(3))) g_test_level=1; VERIFY( !(numext::isinf)(m(3)) ); g_test_level=0;
if(!(std::isnan) (m(3))) g_test_level=1; VERIFY( (numext::isnan)(m(3)) ); g_test_level=0;
if( (std::isfinite)(m(3))) g_test_level=1; VERIFY( !m.allFinite() ); g_test_level=0;
if(!(std::isnan) (m(3))) g_test_level=1; VERIFY( m.hasNaN() ); g_test_level=0;
}
T hidden_zero = (std::numeric_limits<T>::min)()*(std::numeric_limits<T>::min)();
m(4) /= hidden_zero;
if(dryrun)
{
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";
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";
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";
std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
std::cout << "hasNaN: "; check(m.hasNaN(), 1); std::cout << "\n";
std::cout << "\n";
}
else
{
if( (std::isfinite)(m(3))) g_test_level=1; VERIFY( !(numext::isfinite)(m(4)) ); g_test_level=0;
if(!(std::isinf) (m(3))) g_test_level=1; VERIFY( (numext::isinf)(m(4)) ); g_test_level=0;
if( (std::isnan) (m(3))) g_test_level=1; VERIFY( !(numext::isnan)(m(4)) ); g_test_level=0;
if( (std::isfinite)(m(3))) g_test_level=1; VERIFY( !m.allFinite() ); g_test_level=0;
if(!(std::isnan) (m(3))) g_test_level=1; VERIFY( m.hasNaN() ); g_test_level=0;
}
m(3) = 0;
if(dryrun)
{
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";
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";
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";
std::cout << "allFinite: "; check(m.allFinite(), 0); std::cout << "\n";
std::cout << "hasNaN: "; check(m.hasNaN(), 0); std::cout << "\n";
std::cout << "\n\n";
}
else
{
if(!(std::isfinite)(m(3))) g_test_level=1; VERIFY( (numext::isfinite)(m(3)) ); g_test_level=0;
if( (std::isinf) (m(3))) g_test_level=1; VERIFY( !(numext::isinf)(m(3)) ); g_test_level=0;
if( (std::isnan) (m(3))) g_test_level=1; VERIFY( !(numext::isnan)(m(3)) ); g_test_level=0;
if( (std::isfinite)(m(3))) g_test_level=1; VERIFY( !m.allFinite() ); g_test_level=0;
if( (std::isnan) (m(3))) g_test_level=1; VERIFY( !m.hasNaN() ); g_test_level=0;
}
}
void test_fastmath() {
std::cout << "*** float *** \n\n"; check_inf_nan<float>(true);
std::cout << "*** double ***\n\n"; check_inf_nan<double>(true);
std::cout << "*** long double *** \n\n"; check_inf_nan<long double>(true);
check_inf_nan<float>(false);
check_inf_nan<double>(false);
check_inf_nan<long double>(false);
}