mirror of
https://github.com/boostorg/integer.git
synced 2026-01-26 00:42:18 +01:00
First commit of extensively revised documentation including examples for all items and using Quickbook code snippets in the text. TODO Compile failure in common_factor_ct example. Derived html files NOT saved.
This commit is contained in:
@@ -6,6 +6,9 @@
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// See http://www.boost.org/libs/integer for documentation.
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//! \file
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//! \brief Compile-time evaluation of specified (least and fast) integer types.
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// Revision History
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// 22 Sep 01 Added value-based integer templates. (Daryle Walker)
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// 01 Apr 01 Modified to use new <boost/limits.hpp> header. (John Maddock)
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@@ -42,15 +45,16 @@ namespace boost
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// fast integers from least integers
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// int_fast_t<> works correctly for unsigned too, in spite of the name.
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template< typename LeastInt >
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struct int_fast_t
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{
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typedef LeastInt fast;
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struct int_fast_t
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{
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typedef LeastInt fast;
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typedef fast type;
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}; // imps may specialize
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//! \cond DETAIL
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namespace detail{
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// convert category to type
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// convert category to type
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template< int Category > struct int_least_helper {}; // default is empty
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template< int Category > struct uint_least_helper {}; // default is empty
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@@ -104,8 +108,8 @@ namespace boost
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template <> struct exact_unsigned_base_helper<sizeof(boost::ulong_long_type)* CHAR_BIT> { typedef boost::ulong_long_type exact; };
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#endif
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} // namespace detail
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//! \endcond // DETAIL
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// integer templates specifying number of bits ---------------------------//
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@@ -138,7 +142,7 @@ namespace boost
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"No suitable unsigned integer type with the requested number of bits is available.");
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#if (defined(__BORLANDC__) || defined(__CODEGEAR__)) && defined(BOOST_NO_INTEGRAL_INT64_T)
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// It's really not clear why this workaround should be needed... shrug I guess! JM
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BOOST_STATIC_CONSTANT(int, s =
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BOOST_STATIC_CONSTANT(int, s =
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6 +
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(Bits <= ::std::numeric_limits<unsigned long>::digits) +
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(Bits <= ::std::numeric_limits<unsigned int>::digits) +
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@@ -147,7 +151,7 @@ namespace boost
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typedef typename detail::int_least_helper< ::boost::uint_t<Bits>::s>::least least;
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#else
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typedef typename boost::detail::uint_least_helper
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<
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<
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#ifdef BOOST_HAS_LONG_LONG
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(Bits <= (int)(sizeof(boost::long_long_type) * CHAR_BIT)) +
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#else
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@@ -171,7 +175,7 @@ namespace boost
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#else
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template< long MaxValue > // maximum value to require support
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#endif
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struct int_max_value_t
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struct int_max_value_t
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{
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typedef typename boost::detail::int_least_helper
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<
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@@ -193,7 +197,7 @@ namespace boost
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#else
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template< long MinValue > // minimum value to require support
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#endif
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struct int_min_value_t
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struct int_min_value_t
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{
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typedef typename boost::detail::int_least_helper
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<
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@@ -216,12 +220,12 @@ namespace boost
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#else
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template< unsigned long MaxValue > // minimum value to require support
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#endif
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struct uint_value_t
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struct uint_value_t
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{
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#if (defined(__BORLANDC__) || defined(__CODEGEAR__))
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// It's really not clear why this workaround should be needed... shrug I guess! JM
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#if defined(BOOST_NO_INTEGRAL_INT64_T)
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BOOST_STATIC_CONSTANT(unsigned, which =
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BOOST_STATIC_CONSTANT(unsigned, which =
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1 +
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(MaxValue <= ::boost::integer_traits<unsigned long>::const_max) +
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(MaxValue <= ::boost::integer_traits<unsigned int>::const_max) +
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@@ -229,7 +233,7 @@ namespace boost
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(MaxValue <= ::boost::integer_traits<unsigned char>::const_max));
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typedef typename detail::int_least_helper< ::boost::uint_value_t<MaxValue>::which>::least least;
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#else // BOOST_NO_INTEGRAL_INT64_T
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BOOST_STATIC_CONSTANT(unsigned, which =
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BOOST_STATIC_CONSTANT(unsigned, which =
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1 +
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(MaxValue <= ::boost::integer_traits<boost::ulong_long_type>::const_max) +
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(MaxValue <= ::boost::integer_traits<unsigned long>::const_max) +
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@@ -240,7 +244,7 @@ namespace boost
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#endif // BOOST_NO_INTEGRAL_INT64_T
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#else
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typedef typename boost::detail::uint_least_helper
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<
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<
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#if !defined(BOOST_NO_INTEGRAL_INT64_T) && defined(BOOST_HAS_LONG_LONG)
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(MaxValue <= ::boost::integer_traits<boost::ulong_long_type>::const_max) +
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#else
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@@ -255,7 +259,6 @@ namespace boost
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typedef typename int_fast_t<least>::type fast;
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};
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} // namespace boost
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#endif // BOOST_INTEGER_HPP
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@@ -5,7 +5,9 @@
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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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// See http://www.boost.org for updates, documentation, and revision history.
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// See http://www.boost.org for updates, documentation, and revision history.
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//! \file
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//! \brief Include both GCD and LCM.
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#ifndef BOOST_INTEGER_COMMON_FACTOR_HPP
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#define BOOST_INTEGER_COMMON_FACTOR_HPP
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@@ -5,7 +5,9 @@
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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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// See http://www.boost.org for updates, documentation, and revision history.
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// See http://www.boost.org for updates, documentation, and revision history.
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//! \file
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//! \brief Evaluate Greatest Common Divisor at compile-time.
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#ifndef BOOST_INTEGER_COMMON_FACTOR_CT_HPP
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#define BOOST_INTEGER_COMMON_FACTOR_CT_HPP
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@@ -17,9 +19,10 @@ namespace boost
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{
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namespace integer
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{
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// Warning: this is from 1.58 in namespace boost::integer and no longer in namespace boost::math.
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// Implementation details --------------------------------------------------//
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//! \cond DETAIL
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namespace detail
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{
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// Build GCD with Euclid's recursive algorithm
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@@ -71,7 +74,7 @@ namespace detail
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};
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} // namespace detail
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//! \endcond // DETAIL
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// Compile-time greatest common divisor evaluator class declaration --------//
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@@ -4,13 +4,15 @@
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// use, modify, sell and distribute this software is granted provided this
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// copyright notice appears in all copies. This software is provided "as is"
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// without express or implied warranty, and with no claim as to its suitability
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// for any purpose.
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// for any purpose.
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// boostinspect:nolicense (don't complain about the lack of a Boost license)
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// (Paul Moore hasn't been in contact for years, so there's no way to change the
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// license.)
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// See http://www.boost.org for updates, documentation, and revision history.
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// See http://www.boost.org for updates, documentation, and revision history.
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//! \file
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//! \brief Evaluate Least Common Multiple at compile-time.
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#ifndef BOOST_INTEGER_COMMON_FACTOR_RT_HPP
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#define BOOST_INTEGER_COMMON_FACTOR_RT_HPP
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@@ -31,7 +33,7 @@ namespace boost
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{
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namespace integer
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{
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// Warning: this is from 1.58 in namespace boost::interger and no longer in namespace boost::math.
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// Forward declarations for function templates -----------------------------//
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@@ -75,6 +77,7 @@ public:
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// Implementation details --------------------------------------------------//
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//! \cond DETAIL
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namespace detail
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{
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@@ -387,9 +390,13 @@ namespace detail
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}
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} // namespace detail
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//! \endcond // DETAIL
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// Greatest common divisor evaluator member function definition ------------//
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// Greatest common divisor operator() evaluator member function definition ------------//
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//! Evaluation operator() for Greatest Common Divisor (GCD) of two arguments.
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//! \tparam IntegerType must be an integral constant http://en.cppreference.com/w/cpp/types/integral_constant
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//! \param a first_argument_type
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//! \param b second_argument_type
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template < typename IntegerType >
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inline
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@@ -405,7 +412,11 @@ gcd_evaluator<IntegerType>::operator ()
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// Least common multiple evaluator member function definition --------------//
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//! Evaluates Least Common Multiplier of two arguments.
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//! \tparam IntegerType must be an integral constant http://en.cppreference.com/w/cpp/types/integral_constant
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//! \tparam IntegerType must be an integral constant http://en.cppreference.com/w/cpp/types/integral_constant
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//! \param a first_argument_type
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//! \param b second_argument_type
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template < typename IntegerType >
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inline
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typename lcm_evaluator<IntegerType>::result_type
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@@ -420,6 +431,10 @@ lcm_evaluator<IntegerType>::operator ()
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// Greatest common divisor and least common multiple function definitions --//
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//! Function for Greatest Common Divisor (GCD) of two arguments.
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//! \tparam IntegerType must be an integral constant http://en.cppreference.com/w/cpp/types/integral_constant
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//! \param a first_argument_type
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//! \param b second_argument_type
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template < typename IntegerType >
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inline
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@@ -435,6 +450,11 @@ gcd
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return solver( a, b );
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}
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//! Function for Least Common Multiplier (LCM) of two arguments.
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//! \tparam IntegerType must be an integral constant http://en.cppreference.com/w/cpp/types/integral_constant
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//! \param a first_argument_type
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//! \param b second_argument_type
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template < typename IntegerType >
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inline
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IntegerType
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@@ -1,15 +1,18 @@
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// -----------------------------------------------------------
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// integer_log2.hpp
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//
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// Gives the integer part of the logarithm, in base 2, of a
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// given number. Behavior is undefined if the argument is <= 0.
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//
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// Copyright (c) 2003-2004, 2008 Gennaro Prota
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See 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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//! \file
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//! \brief Function integer_log2 gives the integer part of the logarithm, in base 2, of a
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//! given number (at run-time). Behavior is undefined if the argument is <= 0.
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//
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//! \note For analogous compile-time computation of log2 see static_log2.
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//! \sa http::www.boost.org/doc/integer
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// -----------------------------------------------------------
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#ifndef BOOST_INTEGER_INTEGER_LOG2_HPP
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@@ -24,6 +27,8 @@
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namespace boost {
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//! \cond DETAIL
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namespace detail {
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template <typename T>
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@@ -46,7 +51,6 @@ namespace boost {
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}
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// helper to find the maximum power of two
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// less than p (more involved than necessary,
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// to avoid PTS)
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@@ -82,9 +86,8 @@ namespace boost {
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#endif
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};
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} // detail
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//! \endcond // DETAIL
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// ---------
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// integer_log2
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@@ -104,9 +107,6 @@ namespace boost {
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}
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}
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#endif // include guard
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#endif // BOOST_INTEGER_INTEGER_LOG2_HPP include guard
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@@ -5,7 +5,10 @@
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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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// See http://www.boost.org for updates, documentation, and revision history.
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// See http://www.boost.org for updates, documentation, and revision history.
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//! \file
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//! \brief Compile-time integer mask evaluation.
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#ifndef BOOST_INTEGER_INTEGER_MASK_HPP
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#define BOOST_INTEGER_INTEGER_MASK_HPP
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@@ -35,7 +38,6 @@
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namespace boost
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{
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// Specified single-bit mask class declaration -----------------------------//
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// (Lowest bit starts counting at 0.)
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@@ -10,6 +10,11 @@
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//
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// ---------------------------------------------------
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// See http://www.boost.org/libs/integer for documentation.
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//! \file
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//! \brief Compile-time calculation of integer part of the logarithm, in base 2, of a given number.
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//! \note For a run-time calculation of log2, see function integer_log2 at integer_log2.hpp.
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// ------------------------------------------------------------------------- //
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@@ -20,6 +25,8 @@
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namespace boost {
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//! \cond DETAIL
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namespace detail {
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namespace static_log2_impl {
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@@ -99,8 +106,7 @@ namespace boost {
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}
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} // detail
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//! \endcond // DETAIL
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// --------------------------------------
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// static_log2<x>
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@@ -120,7 +126,7 @@ namespace boost {
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template <>
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struct static_log2<0> { };
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}
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} // namespace boost
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@@ -5,7 +5,9 @@
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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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// See http://www.boost.org for updates, documentation, and revision history.
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// See http://www.boost.org for updates, documentation, and revision history.
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//! \file
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//! \brief Compile-time evaluation of extrema: minimum or maximum of two values, signed or unsigned.
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#ifndef BOOST_INTEGER_STATIC_MIN_MAX_HPP
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#define BOOST_INTEGER_STATIC_MIN_MAX_HPP
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@@ -5,6 +5,8 @@
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/integer for documentation.
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//! \file
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//! \brief Include all Boost.Integer files.
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#ifndef BOOST_INTEGER_FWD_HPP
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#define BOOST_INTEGER_FWD_HPP
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@@ -8,10 +8,15 @@
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* $Id$
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*
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* Idea by Beman Dawes, Ed Brey, Steve Cleary, and Nathan Myers
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*/
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// See http://www.boost.org/libs/integer for documentation.
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//! \file
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//! \brief integer traits
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//! \sa http://www.boost.org/libs/integer
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#ifndef BOOST_INTEGER_TRAITS_HPP
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#define BOOST_INTEGER_TRAITS_HPP
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@@ -47,6 +52,7 @@ public:
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BOOST_STATIC_CONSTANT(bool, is_integral = false);
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};
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//! \cond DETAIL
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namespace detail {
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template<class T, T min_val, T max_val>
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class integer_traits_base
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@@ -70,6 +76,7 @@ const T integer_traits_base<T, min_val, max_val>::const_max;
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#endif
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} // namespace detail
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//! \endcond // DETAIL
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template<>
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class integer_traits<bool>
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Reference in New Issue
Block a user