knotkit/lib/setcommon.cpp
2011-12-09 15:50:25 -05:00

61 lines
1.1 KiB
C++

#include <lib/lib.h>
unsigned unsigned_set (const ullmanset<1> &s)
{
assert (s.size () <= unsigned_bits);
unsigned v = 0;
for (ullmanset_const_iter<1> i = s; i; i ++)
v = unsigned_bitset (v, i.val ());
return v;
}
unsigned
unsigned_set (const bitset &s)
{
assert (s.size () <= unsigned_bits);
unsigned v = 0;
for (bitset_const_iter i = s; i; i ++)
v = unsigned_bitset (v, i.val ());
return v;
}
unsigned
unsigned_set (const set<unsigned> &s)
{
unsigned v = 0;
for (set_const_iter<unsigned> i = s; i; i ++)
v = unsigned_bitset (v, i.val ());
return v;
}
/* bitset */
bitset::bitset (const ullmanset<1> &t)
: n(0)
{
*this = bitset (t.size ());
for (ullmanset_const_iter<1> i = t; i; i ++)
push (i.val ());
}
bitset &
bitset::operator = (const ullmanset<1> &t)
{
*this = bitset (t.size ());
for (ullmanset_const_iter<1> i = t; i; i ++)
push (i.val ());
return *this;
}
smallbitset::smallbitset (const ullmanset<1> &t)
: n(t.size ()), x(0)
{
assert (n <= 58);
for (ullmanset_const_iter<1> i = t; i; i ++)
push (i.val ());
}