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preparing for inf extension of arithmetic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2013-10-31 02:02:37 -07:00
parent acc7aa1636
commit 0b65aa83e8
6 changed files with 83 additions and 34 deletions
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3
src/smt/theory_arith.cpp
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@ -25,5 +25,6 @@ namespace smt {
template class theory_arith<i_ext>;
// template class theory_arith<si_ext>;
// template class theory_arith<smi_ext>;
// TBD: template class smt::theory_arith<inf_ext>;
};

22
src/smt/theory_arith.h
View file

@ -1121,11 +1121,33 @@ namespace smt {
}
smi_ext() : m_int_epsilon(s_integer(1)), m_real_epsilon(s_integer(0), true) {}
};
class inf_ext {
public:
typedef rational numeral;
typedef inf_eps_rational<inf_rational> inf_numeral;
inf_numeral m_int_epsilon;
inf_numeral m_real_epsilon;
numeral fractional_part(inf_numeral const& n) {
SASSERT(n.is_rational());
return n.get_rational() - floor(n);
}
static numeral fractional_part(numeral const & n) {
return n - floor(n);
}
static inf_numeral mk_inf_numeral(numeral const & n, numeral const & r) {
return inf_numeral(inf_rational(n, r));
}
inf_ext() : m_int_epsilon(inf_rational(rational(1))), m_real_epsilon(inf_rational(rational(0), true)) {}
};
typedef theory_arith<mi_ext> theory_mi_arith;
typedef theory_arith<i_ext> theory_i_arith;
typedef smt::theory_arith<inf_ext> theory_inf_arith;
// typedef theory_arith<si_ext> theory_si_arith;
// typedef theory_arith<smi_ext> theory_smi_arith;
};