diff -r 666f914201fb -r 2fe1408b6811 epoc32/include/stdapis/boost/math/common_factor_ct.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/epoc32/include/stdapis/boost/math/common_factor_ct.hpp Tue Mar 16 16:12:26 2010 +0000 @@ -0,0 +1,188 @@ +// Boost common_factor_ct.hpp header file ----------------------------------// + +// (C) Copyright Daryle Walker and Stephen Cleary 2001-2002. +// 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) + +// See http://www.boost.org for updates, documentation, and revision history. + +#ifndef BOOST_MATH_COMMON_FACTOR_CT_HPP +#define BOOST_MATH_COMMON_FACTOR_CT_HPP + +#include // self include + +#include // for BOOST_STATIC_CONSTANT, etc. + + +namespace boost +{ +namespace math +{ + + +// Implementation details --------------------------------------------------// + +namespace detail +{ +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + // Build GCD with Euclid's recursive algorithm + template < unsigned long Value1, unsigned long Value2 > + struct static_gcd_helper_t + { + private: + BOOST_STATIC_CONSTANT( unsigned long, new_value1 = Value2 ); + BOOST_STATIC_CONSTANT( unsigned long, new_value2 = Value1 % Value2 ); + + #ifndef __BORLANDC__ + #define BOOST_DETAIL_GCD_HELPER_VAL(Value) static_cast(Value) + #else + typedef static_gcd_helper_t self_type; + #define BOOST_DETAIL_GCD_HELPER_VAL(Value) (self_type:: Value ) + #endif + + typedef static_gcd_helper_t< BOOST_DETAIL_GCD_HELPER_VAL(new_value1), + BOOST_DETAIL_GCD_HELPER_VAL(new_value2) > next_step_type; + + #undef BOOST_DETAIL_GCD_HELPER_VAL + + public: + BOOST_STATIC_CONSTANT( unsigned long, value = next_step_type::value ); + }; + + // Non-recursive case + template < unsigned long Value1 > + struct static_gcd_helper_t< Value1, 0UL > + { + BOOST_STATIC_CONSTANT( unsigned long, value = Value1 ); + }; +#else + // Use inner class template workaround from Peter Dimov + template < unsigned long Value1 > + struct static_gcd_helper2_t + { + template < unsigned long Value2 > + struct helper + { + BOOST_STATIC_CONSTANT( unsigned long, value + = static_gcd_helper2_t::BOOST_NESTED_TEMPLATE + helper::value ); + }; + + template < > + struct helper< 0UL > + { + BOOST_STATIC_CONSTANT( unsigned long, value = Value1 ); + }; + }; + + // Special case + template < > + struct static_gcd_helper2_t< 0UL > + { + template < unsigned long Value2 > + struct helper + { + BOOST_STATIC_CONSTANT( unsigned long, value = Value2 ); + }; + }; + + // Build the GCD from the above template(s) + template < unsigned long Value1, unsigned long Value2 > + struct static_gcd_helper_t + { + BOOST_STATIC_CONSTANT( unsigned long, value + = static_gcd_helper2_t::BOOST_NESTED_TEMPLATE + helper::value ); + }; +#endif + +#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION + // Build the LCM from the GCD + template < unsigned long Value1, unsigned long Value2 > + struct static_lcm_helper_t + { + typedef static_gcd_helper_t gcd_type; + + BOOST_STATIC_CONSTANT( unsigned long, value = Value1 / gcd_type::value + * Value2 ); + }; + + // Special case for zero-GCD values + template < > + struct static_lcm_helper_t< 0UL, 0UL > + { + BOOST_STATIC_CONSTANT( unsigned long, value = 0UL ); + }; +#else + // Adapt GCD's inner class template workaround for LCM + template < unsigned long Value1 > + struct static_lcm_helper2_t + { + template < unsigned long Value2 > + struct helper + { + typedef static_gcd_helper_t gcd_type; + + BOOST_STATIC_CONSTANT( unsigned long, value = Value1 + / gcd_type::value * Value2 ); + }; + + template < > + struct helper< 0UL > + { + BOOST_STATIC_CONSTANT( unsigned long, value = 0UL ); + }; + }; + + // Special case + template < > + struct static_lcm_helper2_t< 0UL > + { + template < unsigned long Value2 > + struct helper + { + BOOST_STATIC_CONSTANT( unsigned long, value = 0UL ); + }; + }; + + // Build the LCM from the above template(s) + template < unsigned long Value1, unsigned long Value2 > + struct static_lcm_helper_t + { + BOOST_STATIC_CONSTANT( unsigned long, value + = static_lcm_helper2_t::BOOST_NESTED_TEMPLATE + helper::value ); + }; +#endif + +} // namespace detail + + +// Compile-time greatest common divisor evaluator class declaration --------// + +template < unsigned long Value1, unsigned long Value2 > +struct static_gcd +{ + BOOST_STATIC_CONSTANT( unsigned long, value + = (detail::static_gcd_helper_t::value) ); + +}; // boost::math::static_gcd + + +// Compile-time least common multiple evaluator class declaration ----------// + +template < unsigned long Value1, unsigned long Value2 > +struct static_lcm +{ + BOOST_STATIC_CONSTANT( unsigned long, value + = (detail::static_lcm_helper_t::value) ); + +}; // boost::math::static_lcm + + +} // namespace math +} // namespace boost + + +#endif // BOOST_MATH_COMMON_FACTOR_CT_HPP