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//=======================================================================
// Copyright 2002 Indiana University.
// Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
//
// 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)
//=======================================================================
#ifndef BOOST_BITSET_ADAPTOR_HPP
#define BOOST_BITSET_ADAPTOR_HPP
template <class T, class Derived>
struct bitset_adaptor {
Derived& derived() { return static_cast<Derived&>(*this); }
const Derived& derived() const {
return static_cast<const Derived&>(*this);
}
};
template <class T, class D, class V>
bool set_contains(const bitset_adaptor<T,D>& s, const V& x) {
return s.derived().test(x);
}
template <class T, class D>
bool set_equal(const bitset_adaptor<T,D>& x,
const bitset_adaptor<T,D>& y) {
return x.derived() == y.derived();
}
template <class T, class D>
int set_lex_order(const bitset_adaptor<T,D>& x,
const bitset_adaptor<T,D>& y) {
return compare_3way(x.derived(), y.derived());
}
template <class T, class D>
void set_clear(bitset_adaptor<T,D>& x) {
x.derived().reset();
}
template <class T, class D>
bool set_empty(const bitset_adaptor<T,D>& x) {
return x.derived().none();
}
template <class T, class D, class V>
void set_insert(bitset_adaptor<T,D>& x, const V& a) {
x.derived().set(a);
}
template <class T, class D, class V>
void set_remove(bitset_adaptor<T,D>& x, const V& a) {
x.derived().set(a, false);
}
template <class T, class D>
void set_intersect(const bitset_adaptor<T,D>& x,
const bitset_adaptor<T,D>& y,
bitset_adaptor<T,D>& z)
{
z.derived() = x.derived() & y.derived();
}
template <class T, class D>
void set_union(const bitset_adaptor<T,D>& x,
const bitset_adaptor<T,D>& y,
bitset_adaptor<T,D>& z)
{
z.derived() = x.derived() | y.derived();
}
template <class T, class D>
void set_difference(const bitset_adaptor<T,D>& x,
const bitset_adaptor<T,D>& y,
bitset_adaptor<T,D>& z)
{
z.derived() = x.derived() - y.derived();
}
template <class T, class D>
void set_compliment(const bitset_adaptor<T,D>& x,
bitset_adaptor<T,D>& z)
{
z.derived() = x.derived();
z.derived().flip();
}
#endif // BOOST_BITSET_ADAPTOR_HPP