Example #1
1
void bitset( const Delta& u, BitSet& bit ) {
    const uint n = u.rows();
    bit.resize( n, false );
    for( Delta::InnerIterator it( u, 0 ); it; ++it ) {
        uint i = it.row();
        bit[i] = true;
    }
}
 BitSet operator ^ (BitSet &that) {
     int sz = that.s.size(), n = this->s.size(), len = max(sz, n);
     if (sz < len) that.resize(len);
     if (n < len) this->resize(len);
     BitSet ans(len * 64);
     for (int i = len - 1; i >= 0; i --) {
         ans.s[i] = this->s[i] ^ that.s[i];
     }
     return ans;
 }