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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 <examples/example_uintwide_t.h>
#include <math/wide_integer/uintwide_t.h>
#if defined(WIDE_INTEGER_NAMESPACE)
auto WIDE_INTEGER_NAMESPACE::math::wide_integer::example005_powm() -> bool
#else
auto ::math::wide_integer::example005_powm() -> bool
#endif
{
#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 b("0xDA4033C9B1B0675C20B7879EA63FFFBEEBEC3F89F78D22C393FAD98E7AE9BF69");
constexpr uint256_t p("0xA4748AD2DAFEED29C73927BD0945EF45EFEC9DAA95CC59390D406FC27236A174");
constexpr uint256_t m("0xB6EC4DAB21E2856D488D669C210DC1FAD00366F92D602B1D42B88E24531F907E");
const uint256_t c = powm(b, p, m);
const auto result_is_ok =
(c == "0x5231F0EF6BBB3E78B9D7B1FA5F86EFA932E71BABD8A1CFF2C9EE5C396284ED07");
return result_is_ok;
}
// Enable this if you would like to activate this main() as a standalone example.
#if defined(WIDE_INTEGER_STANDALONE_EXAMPLE005_POWM)
#include <iomanip>
#include <iostream>
auto main() -> int
{
#if defined(WIDE_INTEGER_NAMESPACE)
const auto result_is_ok = WIDE_INTEGER_NAMESPACE::math::wide_integer::example005_powm();
#else
const auto result_is_ok = ::math::wide_integer::example005_powm();
#endif
std::cout << "result_is_ok: " << std::boolalpha << result_is_ok << std::endl;
return (result_is_ok ? 0 : -1);
}
#endif
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