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misc bugfixes

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-12-28 14:24:52 -08:00
parent c0da732cea
commit 20afc55b41
12 changed files with 149 additions and 147 deletions
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14
src/sat/smt/polysat/fixed_bits.cpp
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@ -17,6 +17,13 @@ Author:
namespace polysat {
void fixed_bits::reset() {
m_fixed_slices.reset();
m_var = null_var;
m_fixed.reset();
m_bits.reset();
}
// reset with fixed bits information for variable v
void fixed_bits::reset(pvar v) {
m_fixed_slices.reset();
@ -80,6 +87,9 @@ namespace polysat {
break;
}
}
CTRACE("bv", i == sz, display(tout << "overflow\n"));
// overflow
if (i == sz)
return false;
@ -98,6 +108,10 @@ namespace polysat {
return result;
}
std::ostream& fixed_bits::display(std::ostream& out) const {
return out << "fixed bits: v" << m_var << " " << m_fixed << "\n";
}
/**
* 2^k * x = 2^k * b
* ==> x[N-k-1:0] = b[N-k-1:0]