forked from boostorg/integer
Remove BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
Process #ifndef...#else...#endif blocks. [SVN r86245]
This commit is contained in:
committed by
Peter Dimov
parent
9f43b6a7d6
commit
b70c89a3ff
@ -23,7 +23,6 @@ namespace math
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namespace detail
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{
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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// Build GCD with Euclid's recursive algorithm
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template < static_gcd_type Value1, static_gcd_type Value2 >
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struct static_gcd_helper_t
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@ -54,48 +53,7 @@ namespace detail
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = Value1 );
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};
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#else
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// Use inner class template workaround from Peter Dimov
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template < static_gcd_type Value1 >
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struct static_gcd_helper2_t
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{
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template < static_gcd_type Value2 >
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struct helper
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value
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= static_gcd_helper2_t<Value2>::BOOST_NESTED_TEMPLATE
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helper<Value1 % Value2>::value );
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};
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template < >
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struct helper< 0UL >
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = Value1 );
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};
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};
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// Special case
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template < >
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struct static_gcd_helper2_t< 0UL >
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{
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template < static_gcd_type Value2 >
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struct helper
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = Value2 );
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};
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};
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// Build the GCD from the above template(s)
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template < static_gcd_type Value1, static_gcd_type Value2 >
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struct static_gcd_helper_t
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value
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= static_gcd_helper2_t<Value1>::BOOST_NESTED_TEMPLATE
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helper<Value2>::value );
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};
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#endif
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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// Build the LCM from the GCD
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template < static_gcd_type Value1, static_gcd_type Value2 >
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struct static_lcm_helper_t
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@ -112,47 +70,6 @@ namespace detail
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = 0UL );
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};
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#else
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// Adapt GCD's inner class template workaround for LCM
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template < static_gcd_type Value1 >
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struct static_lcm_helper2_t
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{
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template < static_gcd_type Value2 >
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struct helper
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{
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typedef static_gcd_helper_t<Value1, Value2> gcd_type;
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BOOST_STATIC_CONSTANT( static_gcd_type, value = Value1
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/ gcd_type::value * Value2 );
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};
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template < >
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struct helper< 0UL >
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = 0UL );
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};
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};
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// Special case
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template < >
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struct static_lcm_helper2_t< 0UL >
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{
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template < static_gcd_type Value2 >
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struct helper
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value = 0UL );
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};
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};
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// Build the LCM from the above template(s)
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template < static_gcd_type Value1, static_gcd_type Value2 >
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struct static_lcm_helper_t
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{
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BOOST_STATIC_CONSTANT( static_gcd_type, value
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= static_lcm_helper2_t<Value1>::BOOST_NESTED_TEMPLATE
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helper<Value2>::value );
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};
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#endif
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} // namespace detail
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@ -222,7 +222,6 @@ namespace detail
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// Function objects to find the best way of computing GCD or LCM
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#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template < typename T, bool IsSpecialized, bool IsSigned >
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struct gcd_optimal_evaluator_helper_t
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{
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@ -240,40 +239,6 @@ namespace detail
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return gcd_integer( a, b );
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}
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};
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#else
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template < bool IsSpecialized, bool IsSigned >
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struct gcd_optimal_evaluator_helper2_t
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{
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template < typename T >
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struct helper
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{
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T operator ()( T const &a, T const &b )
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{
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return gcd_euclidean( a, b );
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}
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};
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};
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template < >
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struct gcd_optimal_evaluator_helper2_t< true, true >
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{
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template < typename T >
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struct helper
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{
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T operator ()( T const &a, T const &b )
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{
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return gcd_integer( a, b );
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}
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};
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};
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template < typename T, bool IsSpecialized, bool IsSigned >
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struct gcd_optimal_evaluator_helper_t
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: gcd_optimal_evaluator_helper2_t<IsSpecialized, IsSigned>
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::BOOST_NESTED_TEMPLATE helper<T>
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{
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};
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#endif
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template < typename T >
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struct gcd_optimal_evaluator
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@ -348,7 +313,6 @@ namespace detail
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#undef BOOST_PRIVATE_GCD_SF
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#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
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#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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template < typename T, bool IsSpecialized, bool IsSigned >
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struct lcm_optimal_evaluator_helper_t
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{
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@ -366,40 +330,6 @@ namespace detail
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return lcm_integer( a, b );
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}
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};
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#else
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template < bool IsSpecialized, bool IsSigned >
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struct lcm_optimal_evaluator_helper2_t
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{
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template < typename T >
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struct helper
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{
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T operator ()( T const &a, T const &b )
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{
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return lcm_euclidean( a, b );
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}
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};
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};
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template < >
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struct lcm_optimal_evaluator_helper2_t< true, true >
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{
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template < typename T >
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struct helper
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{
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T operator ()( T const &a, T const &b )
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{
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return lcm_integer( a, b );
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}
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};
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};
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template < typename T, bool IsSpecialized, bool IsSigned >
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struct lcm_optimal_evaluator_helper_t
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: lcm_optimal_evaluator_helper2_t<IsSpecialized, IsSigned>
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::BOOST_NESTED_TEMPLATE helper<T>
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{
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};
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#endif
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template < typename T >
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struct lcm_optimal_evaluator
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