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working on product sets

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-08-26 16:45:45 -07:00
parent 3ae10abf04
commit 9e7cef7d6b
8 changed files with 377 additions and 66 deletions
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8
src/util/bit_vector.cpp
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@ -228,6 +228,14 @@ unsigned bit_vector::get_hash() const {
return string_hash(reinterpret_cast<char const* const>(m_data), size()/8, 0);
}
bit_vector& bit_vector::neg() {
unsigned n = num_words();
for (unsigned i = 0; i < n; ++i) {
m_data[i] = ~m_data[i];
}
return *this;
}
void fr_bit_vector::reset() {
unsigned sz = size();
unsigned_vector::const_iterator it = m_one_idxs.begin();

2
src/util/bit_vector.h
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@ -200,6 +200,8 @@ public:
bit_vector & operator|=(bit_vector const & source);
bit_vector & operator&=(bit_vector const & source);
bit_vector & neg();
void display(std::ostream & out) const;