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root/OpenMD/trunk/src/utils/BitSet.cpp
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Comparing trunk/src/utils/BitSet.cpp (file contents):
Revision 296 by tim, Mon Feb 7 19:13:43 2005 UTC vs.
Revision 353 by tim, Wed Feb 16 19:36:30 2005 UTC

# Line 39 | Line 39
39   * such damages.
40   */
41  
42 – #include "utils/BitSet.hpp"
42   #include <algorithm>
43   #include <cassert>
44   #include <string>
45 +
46 + #include "utils/BitSet.hpp"
47 + #include "utils/Algorithm.hpp"
48 +
49   namespace oopse {
50   int BitSet::countBits() {
51 + #ifdef __RWSTD    
52 +    //For the compiler(Sun, MSVC6.0) binding with RougeWave STL Library, we need to use old-style
53 +    // std::count which is error-prone.
54 +    int count = 0;
55 +    std::count(bitset_.begin(), bitset_.end(), true, count);
56 +    return count;
57 + #else
58      return std::count(bitset_.begin(), bitset_.end(), true);
59 + #endif
60   }
61  
62   void BitSet::flip(int fromIndex, int toIndex) {
# Line 77 | Line 88 | int BitSet::nextOffBit(int fromIndex) const {
88   }
89      
90   int BitSet::nextOffBit(int fromIndex) const {
91 +    if (fromIndex <= -1) {
92 +        //in case -1 or other negative number is passed to this function
93 +        return -1;
94 +    }
95 +    
96      ++fromIndex;
97      while (fromIndex < size()) {
98          if (!bitset_[fromIndex]) {
# Line 89 | Line 105 | int BitSet::nextOnBit(int fromIndex) const {
105   }
106  
107   int BitSet::nextOnBit(int fromIndex) const {
108 +    if (fromIndex <= -1) {
109 +        //in case -1 or other negative number is passed to this function
110 +        return -1;
111 +    }
112 +
113      ++fromIndex;
114      while (fromIndex < size()) {
115          if (bitset_[fromIndex]) {
# Line 157 | Line 178 | BitSet operator^ (const BitSet& bs1, const BitSet& bs2
178      return result;
179   }
180  
181 + BitSet operator- (const BitSet& bs1, const BitSet& bs2) {
182 +    assert(bs1.size() == bs2.size());
183 +
184 +    BitSet result(bs1);
185 +    result -= bs2;
186 +    return result;
187 + }
188 +
189   bool operator== (const BitSet & bs1, const BitSet &bs2) {
190      assert(bs1.size() == bs2.size());
191      return std::equal(bs1.bitset_.begin(), bs1.bitset_.end(), bs2.bitset_.begin());

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