56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
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extern unsigned unsigned_set (const ullmanset<1> &s);
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extern unsigned unsigned_set (const bitset &s);
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extern unsigned unsigned_set (const set<unsigned> &s);
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smallbitset::smallbitset (const bitset &t)
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: n(t.size ()),
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x(0)
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{
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assert (t.size () <= max_size);
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if (n)
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{
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assert (t.v.size () == 1);
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x = t.v[0];
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}
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assert ((x >> n) == 0);
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}
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template<unsigned B>
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ullmanset<B>::ullmanset (const bitset &t)
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: d(0)
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{
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*this = ullmanset (t.size ());
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for (bitset_const_iter i = t; i; i ++)
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push (i.val ());
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}
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template<unsigned B> ullmanset<B> &
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ullmanset<B>::operator = (const bitset &t)
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{
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*this = ullmanset (t.size ());
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for (bitset_const_iter i = t; i; i ++)
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push (i.val ());
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return *this;
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}
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template<unsigned B> set<unsigned> &
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setassign (set<unsigned> &to, unsigned dummy_size, const ullmanset<B> &from)
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{
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assert (dummy_size == from.size ());
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to = set<unsigned> ();
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for (ullmanset_const_iter<B> i = from; i; i ++)
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to.push (i.val ());
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return to;
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}
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template<unsigned B> ullmanset<B> &
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setassign (ullmanset<B> &to, unsigned size, const set<unsigned> &from)
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{
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to = ullmanset<B> (size);
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for (set_const_iter<unsigned> i = from; i; i ++)
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to.push (i.val ());
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return to;
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}
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