/
example010_uint48_t.cpp
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/
example010_uint48_t.cpp
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///////////////////////////////////////////////////////////////////
// Copyright Christopher Kormanyos 2018 - 2024. //
// 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 <random>
#include <examples/example_uintwide_t.h>
#include <math/wide_integer/uintwide_t.h>
#if defined(WIDE_INTEGER_NAMESPACE)
auto WIDE_INTEGER_NAMESPACE::math::wide_integer::example010_uint48_t() -> bool
#else
auto ::math::wide_integer::example010_uint48_t() -> bool
#endif
{
#if defined(WIDE_INTEGER_NAMESPACE)
using uint48_t = WIDE_INTEGER_NAMESPACE::math::wide_integer::uintwide_t<static_cast<WIDE_INTEGER_NAMESPACE::math::wide_integer::size_t>(UINT32_C(48)), std::uint8_t>;
#else
using uint48_t = ::math::wide_integer::uintwide_t<static_cast<math::wide_integer::size_t>(UINT32_C(48)), std::uint8_t>;
#endif
#if defined(WIDE_INTEGER_NAMESPACE)
using distribution_type = WIDE_INTEGER_NAMESPACE::math::wide_integer::uniform_int_distribution<static_cast<WIDE_INTEGER_NAMESPACE::math::wide_integer::size_t>(UINT32_C(48)), typename uint48_t::limb_type>;
#else
using distribution_type = ::math::wide_integer::uniform_int_distribution<static_cast<math::wide_integer::size_t>(UINT32_C(48)), typename uint48_t::limb_type>;
#endif
using random_engine_type = std::linear_congruential_engine<std::uint32_t, UINT32_C(48271), UINT32_C(0), UINT32_C(2147483647)>;
random_engine_type generator(static_cast<std::uint32_t>(UINT32_C(0xF00DCAFE))); // NOLINT(cert-msc32-c,cert-msc51-cpp,cppcoreguidelines-avoid-magic-numbers,readability-magic-numbers)
distribution_type distribution;
const auto a64 = static_cast<std::uint64_t>(distribution(generator));
const auto b64 = static_cast<std::uint64_t>(distribution(generator));
const uint48_t a(a64);
const uint48_t b(b64);
const uint48_t c_add = (a + b);
const uint48_t c_sub = (a - b);
const uint48_t c_mul = (a * b);
const uint48_t c_div = (a / b);
const auto result_is_ok = ( ( (c_add == static_cast<std::uint64_t>((a64 + b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (c_sub == static_cast<std::uint64_t>((a64 - b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (c_mul == static_cast<std::uint64_t>((a64 * b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (c_div == static_cast<std::uint64_t>((a64 / b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF)))))
&&
( (static_cast<std::uint64_t>(c_add) == static_cast<std::uint64_t>((a64 + b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (static_cast<std::uint64_t>(c_sub) == static_cast<std::uint64_t>((a64 - b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (static_cast<std::uint64_t>(c_mul) == static_cast<std::uint64_t>((a64 * b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))
&& (static_cast<std::uint64_t>(c_div) == static_cast<std::uint64_t>((a64 / b64) & static_cast<std::uint64_t>(UINT64_C(0x0000FFFFFFFFFFFF))))));
return result_is_ok;
}
// Enable this if you would like to activate this main() as a standalone example.
#if defined(WIDE_INTEGER_STANDALONE_EXAMPLE010_UINT48_T)
#include <iomanip>
#include <iostream>
auto main() -> int
{
#if defined(WIDE_INTEGER_NAMESPACE)
const auto result_is_ok = WIDE_INTEGER_NAMESPACE::math::wide_integer::example010_uint48_t();
#else
const auto result_is_ok = ::math::wide_integer::example010_uint48_t();
#endif
std::cout << "result_is_ok: " << std::boolalpha << result_is_ok << std::endl;
return (result_is_ok ? 0 : -1);
}
#endif