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rebase with master branch

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-05-11 16:33:33 -07:00
parent 4b68d98b2a
commit 3e4a4c6df2
10 changed files with 23 additions and 87 deletions
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17
src/math/lp/nla_monotone_lemmas.cpp
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@ -11,25 +11,13 @@ namespace nla {
monotone::monotone(core * c) : common(c) {}
// return false if at least one variable, including the monic var, is real,
// or one of the variable from m.vars() is zero
bool monotone::monotonicity_lemma_candidate(const monic & m) const {
if (!c().var_is_int(m.var()))
return false;
for (lpvar j : m) {
if (!c().var_is_int(j) || val(j).is_zero())
return false;
}
return true;
}
void monotone::monotonicity_lemma() {
unsigned shift = random();
unsigned size = c().m_to_refine.size();
for (unsigned i = 0; i < size && !done(); i++) {
lpvar v = c().m_to_refine[(i + shift) % size];
if (monotonicity_lemma_candidate(c().emons()[v]))
monotonicity_lemma(c().emons()[v]);
monotonicity_lemma(c().emons()[v]);
}
}
@ -45,9 +33,6 @@ void monotone::monotonicity_lemma(monic const& m) {
monotonicity_lemma_lt(m, prod_val);
else if (m_val > prod_val)
monotonicity_lemma_gt(m, prod_val);
else {
TRACE("nla_solver", tout << "equal\n";);
}
}
void monotone::monotonicity_lemma_gt(const monic& m, const rational& prod_val) {