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prepare revised primal phase

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2015-01-18 04:11:40 +05:30
parent 41ad1d50f9
commit d45c7ce082
6 changed files with 411 additions and 96 deletions
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8
src/smt/old_interval.cpp
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@ -72,7 +72,11 @@ ext_numeral & ext_numeral::operator-=(ext_numeral const & other) {
}
ext_numeral & ext_numeral::operator*=(ext_numeral const & other) {
if (is_zero() || other.is_zero()) {
if (is_zero()) {
m_kind = FINITE;
return *this;
}
if (other.is_zero()) {
m_kind = FINITE;
m_value.reset();
return *this;
@ -295,6 +299,8 @@ interval & interval::operator*=(interval const & other) {
}
if (other.is_zero()) {
*this = other;
m_lower_dep = m_manager.mk_join(m_lower_dep, m_upper_dep);
m_upper_dep = m_lower_dep;
return *this;
}