LGram16
e067522598
Game client codebase including: - CharacterActionControl: Character and creature management - GlobalScript: Network, items, skills, quests, utilities - RYLClient: Main client application with GUI and event handlers - Engine: 3D rendering engine (RYLGL) - MemoryManager: Custom memory allocation - Library: Third-party dependencies (DirectX, boost, etc.) - Tools: Development utilities 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
// Copyright (C) 2000 Stephen Cleary
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org for updates, documentation, and revision history.
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#ifndef BOOST_POOL_CT_GCD_LCM_HPP
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#define BOOST_POOL_CT_GCD_LCM_HPP
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#include <boost/static_assert.hpp>
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#include <boost/type_traits/ice.hpp>
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namespace boost {
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namespace details {
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namespace pool {
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// Compile-time calculation of greatest common divisor and least common multiple
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//
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// ct_gcd is a compile-time algorithm that calculates the greatest common
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// divisor of two unsigned integers, using Euclid's algorithm.
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//
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// assumes: A != 0 && B != 0
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//
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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namespace details {
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template <unsigned A, unsigned B, bool Bis0>
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struct ct_gcd_helper;
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template <unsigned A, unsigned B>
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struct ct_gcd_helper<A, B, false>
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{
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BOOST_STATIC_CONSTANT(unsigned, A_mod_B_ = A % B);
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BOOST_STATIC_CONSTANT(unsigned, value =
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(::boost::details::pool::details::ct_gcd_helper<
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B, static_cast<unsigned>(A_mod_B_),
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::boost::type_traits::ice_eq<A_mod_B_, 0>::value
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>::value) );
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};
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template <unsigned A, unsigned B>
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struct ct_gcd_helper<A, B, true>
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{
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BOOST_STATIC_CONSTANT(unsigned, value = A);
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};
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} // namespace details
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template <unsigned A, unsigned B>
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struct ct_gcd
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{
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BOOST_STATIC_ASSERT(A != 0 && B != 0);
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BOOST_STATIC_CONSTANT(unsigned, value =
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(::boost::details::pool::details::ct_gcd_helper<A, B, false>::value) );
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};
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#else
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// Thanks to Peter Dimov for providing this workaround!
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namespace details {
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template<unsigned A> struct ct_gcd2
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{
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template<unsigned B>
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struct helper
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{
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BOOST_STATIC_CONSTANT(unsigned, value = ct_gcd2<B>::helper<A % B>::value);
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};
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template<>
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struct helper<0>
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{
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BOOST_STATIC_CONSTANT(unsigned, value = A);
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};
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};
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} // namespace details
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template<unsigned A, unsigned B> struct ct_gcd
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{
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BOOST_STATIC_ASSERT(A != 0 && B != 0);
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enum { value = details::ct_gcd2<A>::helper<B>::value };
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};
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#endif
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//
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// ct_lcm is a compile-time algorithm that calculates the least common
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// multiple of two unsigned integers.
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//
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// assumes: A != 0 && B != 0
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//
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template <unsigned A, unsigned B>
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struct ct_lcm
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{
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BOOST_STATIC_CONSTANT(unsigned, value =
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(A / ::boost::details::pool::ct_gcd<A, B>::value * B) );
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};
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} // namespace pool
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} // namespace details
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} // namespace boost
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#endif
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