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re-introduce eq2ineq name for rewriting parameter

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-09-04 11:03:57 -07:00
parent 93474c0263
commit 5492d0e135
9 changed files with 28 additions and 53 deletions
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4
src/ast/rewriter/arith_rewriter.cpp
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@ -35,7 +35,7 @@ void arith_rewriter::updt_local_params(params_ref const & _p) {
m_mul2power = p.mul_to_power();
m_elim_rem = p.elim_rem();
m_expand_tan = p.expand_tan();
m_expand_eqs = p.expand_eqs();
m_eq2ineq = p.eq2ineq();
set_sort_sums(p.sort_sums());
}
@ -501,7 +501,7 @@ bool arith_rewriter::is_arith_term(expr * n) const {
}
br_status arith_rewriter::mk_eq_core(expr * arg1, expr * arg2, expr_ref & result) {
if (m_expand_eqs) {
if (m_eq2ineq) {
result = m().mk_and(m_util.mk_le(arg1, arg2), m_util.mk_ge(arg1, arg2));
return BR_REWRITE2;
}

2
src/ast/rewriter/arith_rewriter.h
View file

@ -55,7 +55,7 @@ class arith_rewriter : public poly_rewriter<arith_rewriter_core> {
bool m_push_to_real;
bool m_anum_simp;
bool m_elim_rem;
bool m_expand_eqs;
bool m_eq2ineq;
bool m_process_all_eqs;
unsigned m_max_degree;

2
src/ast/rewriter/arith_rewriter_params.pyg
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@ -12,5 +12,5 @@ def_module_params(module_name='rewriter',
("arith_ineq_lhs", BOOL, False, "rewrite inequalities so that right-hand-side is a constant."),
("elim_to_real", BOOL, False, "eliminate to_real from arithmetic predicates that contain only integers."),
("push_to_real", BOOL, True, "distribute to_real over * and +."),
("expand_eqs", BOOL, False, "expand equalities into two inequalities"),
("eq2ineq", BOOL, False, "expand equalities into two inequalities"),
("elim_rem", BOOL, False, "replace (rem x y) with (ite (>= y 0) (mod x y) (- (mod x y))).")))