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root/OpenMD/trunk/src/utils/BitSet.hpp
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Comparing trunk/src/utils/BitSet.hpp (file contents):
Revision 324 by tim, Sun Feb 13 19:10:25 2005 UTC vs.
Revision 385 by tim, Tue Mar 1 20:10:14 2005 UTC

# Line 81 | Line 81 | class BitSet {
81          /** Returns true if no bits are set to true */
82          bool none();
83  
84 <        int firstOffBit() { return !bitset_[0] ? 0 : nextOffBit(0); }
84 >        int firstOffBit() const { return !bitset_[0] ? 0 : nextOffBit(0); }
85          
86          /** Returns the index of the first bit that is set to false that occurs on or after the specified starting index.*/
87          int nextOffBit(int fromIndex) const;
88  
89 <        int firstOnBit() { return bitset_[0] ? 0 : nextOnBit(0); }
89 >        int firstOnBit() const { return bitset_[0] ? 0 : nextOnBit(0); }
90          
91          /** Returns the index of the first bit that is set to true that occurs on or after the specified starting index. */
92          int nextOnBit(int fromIndex) const;
# Line 122 | Line 122 | class BitSet {
122          BitSet& operator&= (const BitSet &bs) {  andOperator (bs); return *this; }
123          BitSet& operator|= (const BitSet &bs) { orOperator (bs); return *this; }
124          BitSet& operator^= (const BitSet &bs) { xorOperator (bs); return *this; }
125 +        BitSet& operator-= (const BitSet &bs) {
126 +            BitSet tmp = *this ^ bs;
127 +            *this &= tmp;
128 +            return *this;
129 +        }
130 +        
131          bool operator[] (int bitIndex)  const {  return bitset_[bitIndex];  }
132          friend BitSet operator| (const BitSet& bs1, const BitSet& bs2);
133          friend BitSet operator& (const BitSet& bs1, const BitSet& bs2);
134          friend BitSet operator^ (const BitSet& bs1, const BitSet& bs2);
135 +        friend BitSet operator- (const BitSet& bs1, const BitSet& bs2);
136 +        
137          friend bool operator== (const BitSet & bs1, const BitSet &bs2);
138  
139 <        friend std::istream& operator>> ( std::istream&, const BitSet& bs);
139 >        //friend std::istream& operator>> ( std::istream&, const BitSet& bs);
140          friend std::ostream& operator<< ( std::ostream&, const BitSet& bs) ;
141  
142      private:

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