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introduce globally visible macro for controlling use of ternary, turn them off

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This commit is contained in:
Nikolaj Bjorner 2022-10-25 10:30:18 -07:00
parent c62c5e9d23
commit 154fed7783
7 changed files with 55 additions and 6 deletions
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6
src/sat/sat_gc.cpp
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@ -20,8 +20,6 @@ Revision History:
#include "sat/sat_solver.h"
#define ENABLE_TERNARY true
namespace sat {
// -----------------------
@ -180,6 +178,7 @@ namespace sat {
IF_VERBOSE(SAT_VB_LVL, verbose_stream() << "(sat-gc :strategy " << st_name << " :deleted " << (sz - new_sz) << ")\n";);
}
#if ENABLE_TERNARY
bool solver::can_delete3(literal l1, literal l2, literal l3) const {
if (value(l1) == l_true &&
value(l2) == l_false &&
@ -193,16 +192,19 @@ namespace sat {
}
return true;
}
#endif
bool solver::can_delete(clause const & c) const {
if (c.on_reinit_stack())
return false;
#if ENABLE_TERNARY
if (ENABLE_TERNARY && c.size() == 3) {
return
can_delete3(c[0],c[1],c[2]) &&
can_delete3(c[1],c[0],c[2]) &&
can_delete3(c[2],c[0],c[1]);
}
#endif
literal l0 = c[0];
if (value(l0) != l_true)
return true;