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root/group/trunk/OOPSE-4/src/utils/BitSet.hpp
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Comparing trunk/OOPSE-4/src/utils/BitSet.hpp (file contents):
Revision 1970 by tim, Fri Feb 4 05:42:30 2005 UTC vs.
Revision 1980 by tim, Mon Feb 7 19:13:43 2005 UTC

# Line 42 | Line 42
42   #ifndef UTILS_BITSET_HPP
43   #define UTILS_BITSET_HPP
44  
45 + #include <iostream>
46   #include <functional>
47   #include <vector>
48   namespace oopse {
# Line 55 | Line 56 | class BitSet {
56          /** */
57          BitSet() {}
58          /** */
59 <        BitSet(int nbits) {  bitset_.resize(nbits);  }
59 >        BitSet(int nbits) : bitset_(nbits) {clearAll(); }
60  
61          /** Returns the number of bits set to true in this BitSet.  */
62          int countBits();
# Line 82 | Line 83 | class BitSet {
83          bool none();
84          
85          /** Returns the index of the first bit that is set to false that occurs on or after the specified starting index.*/
86 <        int nextOffBit(int fromIndex);
86 >        int nextOffBit(int fromIndex) const;
87          
88          /** Returns the index of the first bit that is set to true that occurs on or after the specified starting index. */
89 <        int nextOnBit(int fromIndex);
89 >        int nextOnBit(int fromIndex) const;
90          
91          /** Performs a logical AND of this target bit set with the argument bit set. */
92          void andOperator (const BitSet& bs);
# Line 118 | Line 119 | class BitSet {
119          BitSet& operator&= (const BitSet &bs) {  andOperator (bs); return *this; }
120          BitSet& operator|= (const BitSet &bs) { orOperator (bs); return *this; }
121          BitSet& operator^= (const BitSet &bs) { xorOperator (bs); return *this; }
122 <        bool operator[] (int bitIndex) {  return bitset_[bitIndex];  }
122 <
122 >        bool operator[] (int bitIndex)  const {  return bitset_[bitIndex];  }
123          friend BitSet operator| (const BitSet& bs1, const BitSet& bs2);
124          friend BitSet operator& (const BitSet& bs1, const BitSet& bs2);
125          friend BitSet operator^ (const BitSet& bs1, const BitSet& bs2);

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