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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-02 11:35:25 -07:00
parent 3f9edad676
commit e9eab22e5c
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lib/spc_unary_inference.cpp Normal file
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/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
spc_unary_inference.cpp
Abstract:
<abstract>
Author:
Leonardo de Moura (leonardo) 2008-02-14.
Revision History:
--*/
#include"spc_unary_inference.h"
namespace spc {
unary_inference::unary_inference(ast_manager & m, order & ord):
m_manager(m),
m_order(ord),
m_subst(m),
m_unifier(m) {
m_subst.reserve_offsets(1);
}
/**
\brief Create the result clause. The literal at position j of \c cls in removed,
and the substitution m_subst is applied to the resultant clause.
*/
clause * unary_inference::mk_result(clause * cls, unsigned j) {
sbuffer<literal> new_literals;
unsigned num = cls->get_num_literals();
for (unsigned i = 0; i < num; i++) {
if (i != j) {
literal const & l = cls->get_literal(i);
expr_ref new_atom(m_manager);
m_subst.apply(l.atom(), new_atom);
new_literals.push_back(literal(new_atom, l.sign()));
}
}
justification * js = mk_justification(cls->get_justification(), new_literals.size(), new_literals.c_ptr());
clause * new_cls = clause::mk(m_manager, new_literals.size(), new_literals.c_ptr(), js, cls->get_scope_lvl());
return new_cls;
}
};