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enable fixed propagation from inequalities

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-08-14 11:58:19 -07:00
parent 41d6087f6b
commit 1e3c3dc48f
5 changed files with 76 additions and 50 deletions
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5
src/math/bigfix/u256.cpp
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@ -43,6 +43,11 @@ u256::u256(uint64_t const* v) {
std::uninitialized_copy(v, v + 4, m_num);
}
unsigned u256::hash() const {
uint64_t h = m_num[0] + m_num[1] + m_num[2] + m_num[3];
return static_cast<unsigned>(h ^ (h >> 32ull));
}
u256 u256::operator*(u256 const& other) const {
// TBD: maybe just use mpn_manager::mul?
uint64_t result[8];