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minor bug

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This commit is contained in:
David Rose 2007-06-26 21:04:04 +00:00
parent 8cfcf69cbe
commit dc88523f0e
1 changed files with 10 additions and 9 deletions
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19
panda/src/putil/bitArray.cxx
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@ -461,20 +461,21 @@ get_next_higher_different_bit(int low_bit) const {
} }
// Look for the next word with anything interesting. // Look for the next word with anything interesting.
MaskType skip_next = (_array[w].get_bit(b)) ? MaskType::all_on() : MaskType::all_off(); MaskType skip_next = (_array[w].get_bit(b)) ? MaskType::all_on() : MaskType::all_off();
++w; int w2 = w;
while (w < num_words && _array[w] == skip_next) { ++w2;
++w; while (w2 < num_words && _array[w2] == skip_next) {
++w2;
} }
if (w >= num_words) { if (w2 >= num_words) {
return low_bit; return low_bit;
} }
if (_array[w].get_bit(0) != _array[w].get_bit(b)) { if (_array[w2].get_bit(0) != _array[w].get_bit(b)) {
// The first bit of word w is different. // The first bit of word w2 is different.
return w * num_bits_per_word; return w2 * num_bits_per_word;
} }
b2 = _array[w].get_next_higher_different_bit(0); b2 = _array[w2].get_next_higher_different_bit(0);
return w * num_bits_per_word + b2; return w2 * num_bits_per_word + b2;
} }
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////