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fix lut augment

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-02-19 18:36:28 -08:00
parent a543099a4f
commit 3bb05b5e01
5 changed files with 86 additions and 20 deletions
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28
src/sat/sat_cutset.cpp
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@ -12,6 +12,7 @@
--*/
#include <sstream>
#include "util/hashtable.h"
#include "sat/sat_cutset.h"
#include "sat/sat_cutset_compute_shift.h"
@ -95,11 +96,14 @@ namespace sat {
void cut_set::init(region& r, unsigned max_sz, unsigned v) {
m_var = v;
m_max_size = max_sz;
m_size = 0;
SASSERT(!m_region || m_cuts);
if (m_region) return;
m_region = &r;
m_cuts = new (r) cut[max_sz];
VERIFY(!m_region || m_max_size > 0);
if (!m_region) {
m_max_size = max_sz;
m_region = &r;
m_cuts = new (r) cut[max_sz];
}
}
/**
@ -192,10 +196,22 @@ namespace sat {
if (i + 1 < m_size) out << " ";
}
out << "} ";
for (unsigned i = 0; i < (1u << m_size); ++i) {
if (0 != (table() & (1ull << i))) out << "1"; else out << "0";
display_table(out, m_size, table());
return out;
}
std::ostream& cut::display_table(std::ostream& out, unsigned num_input, uint64_t table) {
for (unsigned i = 0; i < (1u << num_input); ++i) {
if (0 != (table & (1ull << i))) out << "1"; else out << "0";
}
return out;
}
std::string cut::table2string(unsigned num_input, uint64_t table) {
std::ostringstream strm;
display_table(strm, num_input, table);
return strm.str();
}
}