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Tentative fix for #586.

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This commit is contained in:
Christoph M. Wintersteiger 2016-05-14 18:42:10 +01:00
parent bb2c5972c7
commit 44b0a6ddbc
2 changed files with 2 additions and 3 deletions
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3
src/ast/fpa/fpa2bv_converter.cpp
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@ -1928,8 +1928,7 @@ void fpa2bv_converter::mk_round_to_integral(sort * s, expr_ref & rm, expr_ref &
tie_pttrn = m_bv_util.mk_concat(one_1, m_bv_util.mk_numeral(0, sbits-1));
m_simp.mk_eq(rem, tie_pttrn, tie2);
div_last = m_bv_util.mk_extract(0, 0, div);
tie2_c = m.mk_ite(tie2, m.mk_or(m.mk_and(rm_is_rte, m.mk_eq(div_last, one_1)),
m.mk_and(rm_is_rta, m.mk_eq(div_last, zero_1))),
tie2_c = m.mk_ite(tie2, m.mk_or(m.mk_and(rm_is_rte, m.mk_eq(div_last, one_1)), rm_is_rta),
m_bv_util.mk_ule(tie_pttrn, rem));
m_simp.mk_ite(tie2_c, div_p1, div, v51);

2
src/util/mpf.cpp
View file

@ -1095,7 +1095,7 @@ void mpf_manager::round_to_integral(mpf_rounding_mode rm, mpf const & x, mpf & o
TRACE("mpf_dbg", tout << "tie= " << tie << "; <tie = " << less_than_tie << "; >tie = " << more_than_tie << std::endl;);
if (tie) {
if ((rm == MPF_ROUND_NEAREST_TEVEN && m_mpz_manager.is_odd(div)) ||
(rm == MPF_ROUND_NEAREST_TAWAY && m_mpz_manager.is_even(div))) {
(rm == MPF_ROUND_NEAREST_TAWAY)) {
TRACE("mpf_dbg", tout << "div++ (1)" << std::endl;);
m_mpz_manager.inc(div);
}