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185 lines (149 loc) · 8.8 KB
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///////////////////////////////////////////////////////////////////
// Copyright Christopher Kormanyos 2021 - 2026. //
// Distributed under 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 <examples/example_uintwide_t.h>
#include <math/wide_integer/uintwide_t.h>
namespace local
{
#if defined(WIDE_INTEGER_NAMESPACE)
using WIDE_INTEGER_NAMESPACE::math::wide_integer::uint64_t;
using WIDE_INTEGER_NAMESPACE::math::wide_integer::int64_t;
#else
using ::math::wide_integer::uint64_t;
using ::math::wide_integer::int64_t;
#endif
#if defined(WIDE_INTEGER_NAMESPACE)
using uint32_t = WIDE_INTEGER_NAMESPACE::math::wide_integer::uintwide_t<static_cast<WIDE_INTEGER_NAMESPACE::math::wide_integer::size_t>(UINT32_C(32)), std::uint8_t, void, false>;
using int32_t = WIDE_INTEGER_NAMESPACE::math::wide_integer::uintwide_t<static_cast<WIDE_INTEGER_NAMESPACE::math::wide_integer::size_t>(UINT32_C(32)), std::uint8_t, void, true>;
#else
using uint32_t = ::math::wide_integer::uintwide_t<static_cast<math::wide_integer::size_t>(UINT32_C(32)), std::uint8_t, void, false>;
using int32_t = ::math::wide_integer::uintwide_t<static_cast<math::wide_integer::size_t>(UINT32_C(32)), std::uint8_t, void, true>;
#endif
} // namespace local
#if defined(WIDE_INTEGER_NAMESPACE)
auto WIDE_INTEGER_NAMESPACE::math::wide_integer::example000_numeric_limits() -> bool
#else
auto ::math::wide_integer::example000_numeric_limits() -> bool
#endif
{
bool result_is_ok = true;
{
#if defined(WIDE_INTEGER_NAMESPACE)
using WIDE_INTEGER_NAMESPACE::math::wide_integer::uint256_t;
#else
using ::math::wide_integer::uint256_t;
#endif
constexpr uint256_t my_max("0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
constexpr uint256_t my_min(0U);
constexpr bool result_uint256_t_is_ok =
((std::numeric_limits<uint256_t>::max) () == my_max)
&& ((std::numeric_limits<uint256_t>::min) () == my_min)
&& ( std::numeric_limits<uint256_t>::lowest() == uint256_t(std::numeric_limits<unsigned>::lowest()))
&& ( std::numeric_limits<uint256_t>::digits == static_cast<int>(INT32_C(256)))
&& ( std::numeric_limits<uint256_t>::digits10 == static_cast<int>(INT32_C(77)))
;
static_assert(result_uint256_t_is_ok, "Error: example000_numeric_limits unsigned not OK!");
result_is_ok = (result_uint256_t_is_ok && result_is_ok);
}
{
#if defined(WIDE_INTEGER_NAMESPACE)
using WIDE_INTEGER_NAMESPACE::math::wide_integer::int256_t;
#else
using ::math::wide_integer::int256_t;
#endif
constexpr int256_t my_max ("0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
constexpr int256_t my_min ("0x8000000000000000000000000000000000000000000000000000000000000000");
#if (defined(WIDE_INTEGER_MSVC) && (WIDE_INTEGER_MSVC < 1920))
#pragma warning(push)
#pragma warning(disable : 4307)
#endif
constexpr int256_t my_min2 ("-57896044618658097711785492504343953926634992332820282019728792003956564819968");
#if (defined(WIDE_INTEGER_MSVC) && (WIDE_INTEGER_MSVC < 1920))
#pragma warning(pop)
#endif
constexpr int256_t my_lowest = my_min2;
static_assert((std::numeric_limits<int256_t>::max) () == my_max, "Error: example000_numeric_limits signed not OK!");
static_assert((std::numeric_limits<int256_t>::min) () == my_min, "Error: example000_numeric_limits signed not OK!");
static_assert((std::numeric_limits<int256_t>::min) () == my_min2, "Error: example000_numeric_limits signed not OK!");
static_assert( std::numeric_limits<int256_t>::lowest() == my_lowest, "Error: example000_numeric_limits signed not OK!");
static_assert( std::numeric_limits<int256_t>::digits == static_cast<int>(INT32_C(255)), "Error: example000_numeric_limits signed not OK!");
static_assert( std::numeric_limits<int256_t>::digits10 == static_cast<int>(INT32_C(76)), "Error: example000_numeric_limits signed not OK!");
constexpr bool result_int256_t_is_ok =
((std::numeric_limits<int256_t>::max) () == my_max)
&& ((std::numeric_limits<int256_t>::min) () == my_min)
&& ((std::numeric_limits<int256_t>::min) () == my_min2)
&& ( std::numeric_limits<int256_t>::lowest() == my_lowest)
&& ( std::numeric_limits<int256_t>::digits == static_cast<int>(INT32_C(255)))
&& ( std::numeric_limits<int256_t>::digits10 == static_cast<int>(INT32_C(76)))
;
static_assert(result_int256_t_is_ok, "Error: example000_numeric_limits signed not OK!");
result_is_ok = (result_int256_t_is_ok && result_is_ok);
}
{
constexpr bool result_uint64_t_is_ok =
((std::numeric_limits<local::uint64_t>::max) () == (std::numeric_limits<std::uint64_t>::max) ())
&& ((std::numeric_limits<local::uint64_t>::min) () == (std::numeric_limits<std::uint64_t>::min) ())
&& ( std::numeric_limits<local::uint64_t>::lowest() == std::numeric_limits<std::uint64_t>::lowest())
&& ( std::numeric_limits<local::uint64_t>::lowest() == -1 - (std::numeric_limits<local::uint64_t>::max)())
&& ( std::numeric_limits<local::uint64_t>::digits == std::numeric_limits<std::uint64_t>::digits )
&& ( std::numeric_limits<local::uint64_t>::digits10 == std::numeric_limits<std::uint64_t>::digits10)
;
static_assert(result_uint64_t_is_ok, "Error: example000_numeric_limits unsigned not OK!");
result_is_ok = (result_uint64_t_is_ok && result_is_ok);
}
{
constexpr bool result_int64_t_is_ok =
((std::numeric_limits<local::int64_t>::max) () == (std::numeric_limits<std::int64_t>::max) ())
&& ((std::numeric_limits<local::int64_t>::min) () == (std::numeric_limits<std::int64_t>::min) ())
&& ( std::numeric_limits<local::int64_t>::lowest() == std::numeric_limits<std::int64_t>::lowest())
&& ( std::numeric_limits<local::int64_t>::lowest() == -1 - (std::numeric_limits<local::int64_t>::max)())
&& ( std::numeric_limits<local::int64_t>::digits == std::numeric_limits<std::int64_t>::digits )
&& ( std::numeric_limits<local::int64_t>::digits10 == std::numeric_limits<std::int64_t>::digits10)
;
static_assert(result_int64_t_is_ok, "Error: example000_numeric_limits unsigned not OK!");
result_is_ok = (result_int64_t_is_ok && result_is_ok);
}
{
constexpr bool result_uint32_t_is_ok =
((std::numeric_limits<local::uint32_t>::max) () == (std::numeric_limits<std::uint32_t>::max) ())
&& ((std::numeric_limits<local::uint32_t>::min) () == (std::numeric_limits<std::uint32_t>::min) ())
&& ( std::numeric_limits<local::uint32_t>::lowest() == std::numeric_limits<std::uint32_t>::lowest())
&& ( std::numeric_limits<local::uint32_t>::lowest() == -1 - (std::numeric_limits<local::uint32_t>::max)())
&& ( std::numeric_limits<local::uint32_t>::digits == std::numeric_limits<std::uint32_t>::digits )
&& ( std::numeric_limits<local::uint32_t>::digits10 == std::numeric_limits<std::uint32_t>::digits10)
;
static_assert(result_uint32_t_is_ok, "Error: example000_numeric_limits unsigned not OK!");
result_is_ok = (result_uint32_t_is_ok && result_is_ok);
}
{
constexpr bool result_int32_t_is_ok =
((std::numeric_limits<local::int32_t>::max) () == (std::numeric_limits<std::int32_t>::max) ())
&& ((std::numeric_limits<local::int32_t>::min) () == (std::numeric_limits<std::int32_t>::min) ())
&& ( std::numeric_limits<local::int32_t>::lowest() == std::numeric_limits<std::int32_t>::lowest())
&& ( std::numeric_limits<local::int32_t>::lowest() == -1 - (std::numeric_limits<local::int32_t>::max)())
&& ( std::numeric_limits<local::int32_t>::digits == std::numeric_limits<std::int32_t>::digits )
&& ( std::numeric_limits<local::int32_t>::digits10 == std::numeric_limits<std::int32_t>::digits10)
;
static_assert(result_int32_t_is_ok, "Error: example000_numeric_limits unsigned not OK!");
result_is_ok = (result_int32_t_is_ok && result_is_ok);
}
return result_is_ok;
}
// Enable this if you would like to activate this main() as a standalone example.
#if defined(WIDE_INTEGER_STANDALONE_EXAMPLE000_NUMERIC_LIMITS)
#include <iomanip>
#include <iostream>
auto main() -> int
{
#if defined(WIDE_INTEGER_NAMESPACE)
const auto result_is_ok = WIDE_INTEGER_NAMESPACE::math::wide_integer::example000_numeric_limits();
#else
const auto result_is_ok = ::math::wide_integer::example000_numeric_limits();
#endif
std::cout << "result_is_ok: " << std::boolalpha << result_is_ok << std::endl;
return (result_is_ok ? 0 : -1);
}
#endif
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