mirror of
https://github.com/saitohirga/WSJT-X.git
synced 2025-10-25 18:10:21 -04:00
311 lines
12 KiB
C++
311 lines
12 KiB
C++
|
// Copyright John Maddock 2006.
|
||
|
|
// Copyright Paul A. Bristow 2007
|
||
|
|
// Use, modification and distribution are subject to the
|
||
|
|
// Boost Software License, Version 1.0. (See accompanying file
|
||
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
|
||
|
|
#include <pch.hpp>
|
||
|
|
|
||
|
|
#include <cmath>
|
||
|
|
#include <math.h>
|
||
|
|
#include <boost/limits.hpp>
|
||
|
|
#include <boost/math/concepts/real_concept.hpp>
|
||
|
|
#include <boost/math/special_functions/fpclassify.hpp>
|
||
|
|
#define BOOST_TEST_MAIN
|
||
|
|
#include <boost/test/unit_test.hpp>
|
||
|
|
#include <iostream>
|
||
|
|
#include <iomanip>
|
||
|
|
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#pragma warning(disable: 4127 4146) // conditional expression is constant
|
||
|
|
#endif
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::native_tag&)
|
||
|
|
{
|
||
|
|
return "Native";
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::generic_tag<true>&)
|
||
|
|
{
|
||
|
|
return "Generic (with numeric limits)";
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::generic_tag<false>&)
|
||
|
|
{
|
||
|
|
return "Generic (without numeric limits)";
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::ieee_tag&)
|
||
|
|
{
|
||
|
|
return "IEEE std";
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::ieee_copy_all_bits_tag&)
|
||
|
|
{
|
||
|
|
return "IEEE std, copy all bits";
|
||
|
|
}
|
||
|
|
|
||
|
|
const char* method_name(const boost::math::detail::ieee_copy_leading_bits_tag&)
|
||
|
|
{
|
||
|
|
return "IEEE std, copy leading bits";
|
||
|
|
}
|
||
|
|
|
||
|
|
template <class T>
|
||
|
|
void test_classify(T t, const char* type)
|
||
|
|
{
|
||
|
|
std::cout << "Testing type " << type << std::endl;
|
||
|
|
|
||
|
|
typedef typename boost::math::detail::fp_traits<T>::type traits;
|
||
|
|
typedef typename traits::method method;
|
||
|
|
|
||
|
|
std::cout << "Evaluation method = " << method_name(method()) << std::endl;
|
||
|
|
|
||
|
|
t = 2;
|
||
|
|
T u = 2;
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), true);
|
||
|
|
if(std::numeric_limits<T>::is_specialized)
|
||
|
|
{
|
||
|
|
t = (std::numeric_limits<T>::max)();
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), true);
|
||
|
|
t = (std::numeric_limits<T>::min)();
|
||
|
|
if(t != 0)
|
||
|
|
{
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), true);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if(std::numeric_limits<T>::has_denorm)
|
||
|
|
{
|
||
|
|
t = (std::numeric_limits<T>::min)();
|
||
|
|
t /= 2;
|
||
|
|
if(t != 0)
|
||
|
|
{
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_SUBNORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_SUBNORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
}
|
||
|
|
t = std::numeric_limits<T>::denorm_min();
|
||
|
|
if((t != 0) && (t < (std::numeric_limits<T>::min)()))
|
||
|
|
{
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_SUBNORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_SUBNORMAL);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
std::cout << "Denormalised forms not tested" << std::endl;
|
||
|
|
}
|
||
|
|
t = 0;
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_ZERO);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_ZERO);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
t /= -u; // create minus zero if it exists
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_ZERO);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_ZERO);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
// infinity:
|
||
|
|
if(std::numeric_limits<T>::has_infinity)
|
||
|
|
{
|
||
|
|
// At least one std::numeric_limits<T>::infinity)() returns zero
|
||
|
|
// (Compaq true64 cxx), hence the check.
|
||
|
|
t = (std::numeric_limits<T>::infinity)();
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
#if !defined(__BORLANDC__) && !(defined(__DECCXX) && !defined(_IEEE_FP))
|
||
|
|
// divide by zero on Borland triggers a C++ exception :-(
|
||
|
|
// divide by zero on Compaq CXX triggers a C style signal :-(
|
||
|
|
t = 2;
|
||
|
|
u = 0;
|
||
|
|
t /= u;
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
t = -2;
|
||
|
|
t /= u;
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_INFINITE);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
#else
|
||
|
|
std::cout << "Infinities from divide by zero not tested" << std::endl;
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
std::cout << "Infinity not tested" << std::endl;
|
||
|
|
}
|
||
|
|
#ifndef __BORLANDC__
|
||
|
|
// NaN's:
|
||
|
|
// Note that Borland throws an exception if we even try to obtain a Nan
|
||
|
|
// by calling std::numeric_limits<T>::quiet_NaN() !!!!!!!
|
||
|
|
if(std::numeric_limits<T>::has_quiet_NaN)
|
||
|
|
{
|
||
|
|
t = std::numeric_limits<T>::quiet_NaN();
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NAN);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NAN);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
std::cout << "Quiet NaN's not tested" << std::endl;
|
||
|
|
}
|
||
|
|
if(std::numeric_limits<T>::has_signaling_NaN)
|
||
|
|
{
|
||
|
|
t = std::numeric_limits<T>::signaling_NaN();
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(t), (int)FP_NAN);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::fpclassify)(-t), (int)FP_NAN);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isfinite)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isinf)(-t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnan)(-t), true);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(t), false);
|
||
|
|
BOOST_CHECK_EQUAL((::boost::math::isnormal)(-t), false);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
std::cout << "Signaling NaN's not tested" << std::endl;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOST_AUTO_TEST_CASE( test_main )
|
||
|
|
{
|
||
|
|
BOOST_MATH_CONTROL_FP;
|
||
|
|
// start by printing some information:
|
||
|
|
#ifdef isnan
|
||
|
|
std::cout << "Platform has isnan macro." << std::endl;
|
||
|
|
#endif
|
||
|
|
#ifdef fpclassify
|
||
|
|
std::cout << "Platform has fpclassify macro." << std::endl;
|
||
|
|
#endif
|
||
|
|
#ifdef BOOST_HAS_FPCLASSIFY
|
||
|
|
std::cout << "Platform has FP_NORMAL macro." << std::endl;
|
||
|
|
#endif
|
||
|
|
std::cout << "FP_ZERO: " << (int)FP_ZERO << std::endl;
|
||
|
|
std::cout << "FP_NORMAL: " << (int)FP_NORMAL << std::endl;
|
||
|
|
std::cout << "FP_INFINITE: " << (int)FP_INFINITE << std::endl;
|
||
|
|
std::cout << "FP_NAN: " << (int)FP_NAN << std::endl;
|
||
|
|
std::cout << "FP_SUBNORMAL: " << (int)FP_SUBNORMAL << std::endl;
|
||
|
|
|
||
|
|
// then run the tests:
|
||
|
|
test_classify(float(0), "float");
|
||
|
|
test_classify(double(0), "double");
|
||
|
|
// long double support for fpclassify is considered "core" so we always test it
|
||
|
|
// even when long double support is turned off via BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
|
||
|
|
test_classify((long double)(0), "long double");
|
||
|
|
test_classify((boost::math::concepts::real_concept)(0), "real_concept");
|
||
|
|
|
||
|
|
// We should test with integer types as well:
|
||
|
|
test_classify(int(0), "int");
|
||
|
|
test_classify(unsigned(0), "unsigned");
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
Autorun "i:\Boost-sandbox\math_toolkit\libs\math\test\MSVC80\debug\test_classify.exe"
|
||
|
|
Running 1 test case...
|
||
|
|
FP_ZERO: 0
|
||
|
|
FP_NORMAL: 1
|
||
|
|
FP_INFINITE: 2
|
||
|
|
FP_NAN: 3
|
||
|
|
FP_SUBNORMAL: 4
|
||
|
|
Testing type float
|
||
|
|
Testing type double
|
||
|
|
Testing type long double
|
||
|
|
Testing type real_concept
|
||
|
|
Denormalised forms not tested
|
||
|
|
Infinity not tested
|
||
|
|
Quiet NaN's not tested
|
||
|
|
Signaling NaN's not tested
|
||
|
|
Test suite "Test Program" passed with:
|
||
|
|
79 assertions out of 79 passed
|
||
|
|
1 test case out of 1 passed
|
||
|
|
Test case "test_main_caller( argc, argv )" passed with:
|
||
|
|
79 assertions out of 79 passed
|
||
|
|
|
||
|
|
*/
|