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// Copyright 2024 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/hash2/detail/rot.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
using namespace boost::hash2::detail;
{
std::uint32_t v = 0x9e3779b9;
for( int k = 1; k < 32; ++k )
{
BOOST_TEST_EQ( rotl( v, k ), ( v << k ) + ( v >> ( 32 - k ) ) );
BOOST_TEST_EQ( rotr( v, k ), ( v >> k ) + ( v << ( 32 - k ) ) );
}
}
{
std::uint64_t v = 0x9e3779b97f4a7c15;
for( int k = 1; k < 64; ++k )
{
BOOST_TEST_EQ( rotl( v, k ), ( v << k ) + ( v >> ( 64 - k ) ) );
BOOST_TEST_EQ( rotr( v, k ), ( v >> k ) + ( v << ( 64 - k ) ) );
}
}
return boost::report_errors();
}
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