74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// (C) Copyright John Maddock 2019 - 2021.
|
|
// (C) Copyright Matt Borland 2021.
|
|
// 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)
|
|
|
|
#define BOOST_MP_STANDALONE
|
|
|
|
#include "constexpr_arithmetric_test.hpp"
|
|
#include <boost/multiprecision/float128.hpp>
|
|
#include <iostream>
|
|
|
|
int main()
|
|
{
|
|
using boost::multiprecision::float128;
|
|
|
|
{
|
|
constexpr float128 a(22);
|
|
constexpr float128 b = test_constexpr_add_subtract(a);
|
|
|
|
constexpr __float128 f128 = (__float128)b;
|
|
static_assert(f128 == -108.0f);
|
|
|
|
constexpr int i = (int)b;
|
|
static_assert(i == -108);
|
|
|
|
constexpr short s = (short)b;
|
|
static_assert(s == -108);
|
|
}
|
|
{
|
|
constexpr float128 a(22);
|
|
constexpr float128 b = test_constexpr_mul_divide(a);
|
|
static_assert((__float128)b == 0);
|
|
}
|
|
{
|
|
constexpr float128 a(22);
|
|
constexpr float128 b = test_constexpr_compare(a);
|
|
static_assert((__float128)b == 119);
|
|
}
|
|
{
|
|
constexpr float128 a(0);
|
|
static_assert(fpclassify(a) == FP_ZERO);
|
|
constexpr float128 b(1);
|
|
static_assert(fpclassify(b) == FP_NORMAL);
|
|
constexpr float128 c(-1);
|
|
static_assert(fpclassify(c) == FP_NORMAL);
|
|
static_assert(abs(c) >= 0);
|
|
static_assert(fabs(c) >= 0);
|
|
constexpr float128 d(std::numeric_limits<float128>::epsilon());
|
|
static_assert(fpclassify(c) == FP_NORMAL);
|
|
constexpr float128 e((std::numeric_limits<float128>::min)());
|
|
static_assert(fpclassify(e) == FP_NORMAL);
|
|
constexpr float128 f((std::numeric_limits<float128>::max)());
|
|
static_assert(fpclassify(f) == FP_NORMAL);
|
|
constexpr float128 g(std::numeric_limits<float128>::lowest());
|
|
static_assert(fpclassify(g) == FP_NORMAL);
|
|
constexpr float128 h(std::numeric_limits<float128>::round_error());
|
|
static_assert(fpclassify(h) == FP_NORMAL);
|
|
constexpr float128 i(std::numeric_limits<float128>::denorm_min());
|
|
static_assert(fpclassify(i) == FP_SUBNORMAL);
|
|
constexpr float128 j(-std::numeric_limits<float128>::denorm_min());
|
|
static_assert(fpclassify(j) == FP_SUBNORMAL);
|
|
constexpr float128 k(std::numeric_limits<float128>::infinity());
|
|
static_assert(fpclassify(k) == FP_INFINITE);
|
|
static_assert(isinf(k));
|
|
static_assert(!isnan(k));
|
|
constexpr float128 l(-std::numeric_limits<float128>::infinity());
|
|
static_assert(fpclassify(l) == FP_INFINITE);
|
|
static_assert(isinf(l));
|
|
static_assert(!isnan(l));
|
|
}
|
|
std::cout << "Done!" << std::endl;
|
|
}
|